6727662: Code improvement and warnings removing from swing packages

Summary: Removed unnecessary castings and other warnings
Reviewed-by: malenkov

src/share/classes/javax/swing/AbstractButton.java

@@ -1315,8 +1315,7 @@ public abstract class AbstractButton extends JComponent implements ItemSelectabl
             // Make sure the change actually took effect
             if (!selected && isSelected()) {
                 if (getModel() instanceof DefaultButtonModel) {
-                    ButtonGroup group = (ButtonGroup)
-                            ((DefaultButtonModel)getModel()).getGroup();
+                    ButtonGroup group = ((DefaultButtonModel)getModel()).getGroup();
                     if (group != null) {
                         group.clearSelection();
                     }
@@ -1886,8 +1885,7 @@ public abstract class AbstractButton extends JComponent implements ItemSelectabl
      * @since 1.4
      */
     public ChangeListener[] getChangeListeners() {
-        return (ChangeListener[])(listenerList.getListeners(
-            ChangeListener.class));
+        return listenerList.getListeners(ChangeListener.class);
     }
 
     /**
@@ -1944,8 +1942,7 @@ public abstract class AbstractButton extends JComponent implements ItemSelectabl
      * @since 1.4
      */
     public ActionListener[] getActionListeners() {
-        return (ActionListener[])(listenerList.getListeners(
-            ActionListener.class));
+        return listenerList.getListeners(ActionListener.class);
     }
 
     /**
@@ -2137,7 +2134,7 @@ public abstract class AbstractButton extends JComponent implements ItemSelectabl
      * @since 1.4
      */
     public ItemListener[] getItemListeners() {
-        return (ItemListener[])listenerList.getListeners(ItemListener.class);
+        return listenerList.getListeners(ItemListener.class);
     }
 
    /**
@@ -2981,7 +2978,7 @@ public abstract class AbstractButton extends JComponent implements ItemSelectabl
             paintViewR.height = AbstractButton.this.getHeight() - (paintViewInsets.top + paintViewInsets.bottom);
 
             String clippedText = SwingUtilities.layoutCompoundLabel(
-                (JComponent)AbstractButton.this,
+                AbstractButton.this,
                 getFontMetrics(getFont()),
                 text,
                 icon,

src/share/classes/javax/swing/AbstractCellEditor.java

@@ -118,8 +118,7 @@ public abstract class AbstractCellEditor implements CellEditor, Serializable {
      * @since 1.4
      */
     public CellEditorListener[] getCellEditorListeners() {
-        return (CellEditorListener[])listenerList.getListeners(
-                CellEditorListener.class);
+        return listenerList.getListeners(CellEditorListener.class);
     }
 
     /**

src/share/classes/javax/swing/AbstractListModel.java

@@ -85,8 +85,7 @@ public abstract class AbstractListModel implements ListModel, Serializable
      * @since 1.4
      */
     public ListDataListener[] getListDataListeners() {
-        return (ListDataListener[])listenerList.getListeners(
-                ListDataListener.class);
+        return listenerList.getListeners(ListDataListener.class);
     }
 
 

src/share/classes/javax/swing/AbstractSpinnerModel.java

@@ -98,8 +98,7 @@ public abstract class AbstractSpinnerModel implements SpinnerModel, Serializable
      * @since 1.4
      */
     public ChangeListener[] getChangeListeners() {
-        return (ChangeListener[])listenerList.getListeners(
-                ChangeListener.class);
+        return listenerList.getListeners(ChangeListener.class);
     }
 
 

src/share/classes/javax/swing/ActionMap.java

@@ -197,7 +197,7 @@ public class ActionMap implements Serializable {
             return pKeys;
         }
 
-        HashMap        keyMap = new HashMap();
+        HashMap<Object, Object> keyMap = new HashMap<Object, Object>();
         int            counter;
 
         for (counter = keys.length - 1; counter >= 0; counter--) {

src/share/classes/javax/swing/AncestorNotifier.java

@@ -62,7 +62,7 @@ class AncestorNotifier implements ComponentListener, PropertyChangeListener, Ser
     }
 
     AncestorListener[] getAncestorListeners() {
-        return (AncestorListener[])listenerList.getListeners(AncestorListener.class);
+        return listenerList.getListeners(AncestorListener.class);
     }
 
     /**

src/share/classes/javax/swing/ArrayTable.java

@@ -88,10 +88,10 @@ class ArrayTable implements Cloneable {
             // Write ou the Serializable key/value pairs.
             s.writeInt(validCount);
             if (validCount > 0) {
-                for (int counter = 0; counter < keys.length; counter++) {
-                    if (keys[counter] != null) {
-                        s.writeObject(keys[counter]);
-                        s.writeObject(table.get(keys[counter]));
+                for (Object key : keys) {
+                    if (key != null) {
+                        s.writeObject(key);
+                        s.writeObject(table.get(key));
                         if (--validCount == 0) {
                             break;
                         }
@@ -315,7 +315,7 @@ class ArrayTable implements Cloneable {
      */
     private void grow() {
         Object[] array = (Object[])table;
-        Hashtable tmp = new Hashtable(array.length/2);
+        Hashtable<Object, Object> tmp = new Hashtable<Object, Object>(array.length/2);
         for (int i = 0; i<array.length; i+=2) {
             tmp.put(array[i], array[i+1]);
         }

src/share/classes/javax/swing/ButtonGroup.java

@@ -68,7 +68,7 @@ import java.io.Serializable;
 public class ButtonGroup implements Serializable {
 
     // the list of buttons participating in this group
-    protected Vector<AbstractButton> buttons = new Vector();
+    protected Vector<AbstractButton> buttons = new Vector<AbstractButton>();
 
     /**
      * The current selection.

src/share/classes/javax/swing/DebugGraphicsInfo.java

@@ -37,7 +37,7 @@ class DebugGraphicsInfo {
     Color                flashColor = Color.red;
     int                  flashTime = 100;
     int                  flashCount = 2;
-    Hashtable            componentToDebug;
+    Hashtable<JComponent, Integer> componentToDebug;
     JFrame               debugFrame = null;
     java.io.PrintStream  stream = System.out;
 
@@ -46,7 +46,7 @@ class DebugGraphicsInfo {
             return;
         }
         if (componentToDebug == null) {
-            componentToDebug = new Hashtable();
+            componentToDebug = new Hashtable<JComponent, Integer>();
         }
         if (debug > 0) {
             componentToDebug.put(component, Integer.valueOf(debug));
@@ -59,7 +59,7 @@ class DebugGraphicsInfo {
         if (componentToDebug == null) {
             return 0;
         } else {
-            Integer integer = (Integer)componentToDebug.get(component);
+            Integer integer = componentToDebug.get(component);
 
             return integer == null ? 0 : integer.intValue();
         }

src/share/classes/javax/swing/DefaultBoundedRangeModel.java

@@ -343,8 +343,7 @@ public class DefaultBoundedRangeModel implements BoundedRangeModel, Serializable
      * @since 1.4
      */
     public ChangeListener[] getChangeListeners() {
-        return (ChangeListener[])listenerList.getListeners(
-                ChangeListener.class);
+        return listenerList.getListeners(ChangeListener.class);
     }
 
 

src/share/classes/javax/swing/DefaultButtonModel.java

@@ -326,8 +326,7 @@ public class DefaultButtonModel implements ButtonModel, Serializable {
      * @since 1.4
      */
     public ChangeListener[] getChangeListeners() {
-        return (ChangeListener[])listenerList.getListeners(
-                ChangeListener.class);
+        return listenerList.getListeners(ChangeListener.class);
     }
 
     /**
@@ -380,8 +379,7 @@ public class DefaultButtonModel implements ButtonModel, Serializable {
      * @since 1.4
      */
     public ActionListener[] getActionListeners() {
-        return (ActionListener[])listenerList.getListeners(
-                ActionListener.class);
+        return listenerList.getListeners(ActionListener.class);
     }
 
     /**
@@ -434,7 +432,7 @@ public class DefaultButtonModel implements ButtonModel, Serializable {
      * @since 1.4
      */
     public ItemListener[] getItemListeners() {
-        return (ItemListener[])listenerList.getListeners(ItemListener.class);
+        return listenerList.getListeners(ItemListener.class);
     }
 
     /**

src/share/classes/javax/swing/DefaultFocusManager.java

@@ -156,18 +156,17 @@ final class LegacyLayoutFocusTraversalPolicy
     }
 }
 
-final class CompareTabOrderComparator implements Comparator {
+final class CompareTabOrderComparator implements Comparator<Component> {
     private final DefaultFocusManager defaultFocusManager;
 
     CompareTabOrderComparator(DefaultFocusManager defaultFocusManager) {
         this.defaultFocusManager = defaultFocusManager;
     }
 
-    public int compare(Object o1, Object o2) {
+    public int compare(Component o1, Component o2) {
         if (o1 == o2) {
             return 0;
         }
-        return (defaultFocusManager.compareTabOrder((Component)o1,
-                                                    (Component)o2)) ? -1 : 1;
+        return (defaultFocusManager.compareTabOrder(o1, o2)) ? -1 : 1;
     }
 }

src/share/classes/javax/swing/DefaultListSelectionModel.java

@@ -133,8 +133,7 @@ public class DefaultListSelectionModel implements ListSelectionModel, Cloneable,
      * @since 1.4
      */
     public ListSelectionListener[] getListSelectionListeners() {
-        return (ListSelectionListener[])listenerList.getListeners(
-                ListSelectionListener.class);
+        return listenerList.getListeners(ListSelectionListener.class);
     }
 
     /**

src/share/classes/javax/swing/DefaultSingleSelectionModel.java

@@ -110,8 +110,7 @@ Serializable {
      * @since 1.4
      */
     public ChangeListener[] getChangeListeners() {
-        return (ChangeListener[])listenerList.getListeners(
-                ChangeListener.class);
+        return listenerList.getListeners(ChangeListener.class);
     }
 
     /**

src/share/classes/javax/swing/GroupLayout.java

@@ -1119,7 +1119,7 @@ public class GroupLayout implements LayoutManager2 {
      * creating one if necessary.
      */
     private ComponentInfo getComponentInfo(Component component) {
-        ComponentInfo info = (ComponentInfo)componentInfos.get(component);
+        ComponentInfo info = componentInfos.get(component);
         if (info == null) {
             info = new ComponentInfo(component);
             componentInfos.put(component, info);
@@ -1698,7 +1698,7 @@ public class GroupLayout implements LayoutManager2 {
             for (int counter = springs.size() - 1; counter >= 0; counter--) {
                 Spring spring = springs.get(counter);
                 if (spring instanceof AutoPreferredGapSpring) {
-                    ((AutoPreferredGapSpring)spring).unset();
+                    spring.unset();
                 } else if (spring instanceof Group) {
                     ((Group)spring).unsetAutopadding();
                 }

src/share/classes/javax/swing/InputMap.java

@@ -200,7 +200,7 @@ public class InputMap implements Serializable {
             return pKeys;
         }
 
-        HashMap        keyMap = new HashMap();
+        HashMap<KeyStroke, KeyStroke> keyMap = new HashMap<KeyStroke, KeyStroke>();
         int            counter;
 
         for (counter = keys.length - 1; counter >= 0; counter--) {
@@ -212,7 +212,7 @@ public class InputMap implements Serializable {
 
         KeyStroke[]    allKeys = new KeyStroke[keyMap.size()];
 
-        return (KeyStroke[])keyMap.keySet().toArray(allKeys);
+        return keyMap.keySet().toArray(allKeys);
     }
 
     private void writeObject(ObjectOutputStream s) throws IOException {

src/share/classes/javax/swing/JComboBox.java

@@ -859,7 +859,7 @@ implements ItemSelectable,ListDataListener,ActionListener, Accessible {
      * @since 1.4
      */
     public ItemListener[] getItemListeners() {
-        return (ItemListener[])listenerList.getListeners(ItemListener.class);
+        return listenerList.getListeners(ItemListener.class);
     }
 
     /**
@@ -897,8 +897,7 @@ implements ItemSelectable,ListDataListener,ActionListener, Accessible {
      * @since 1.4
      */
     public ActionListener[] getActionListeners() {
-        return (ActionListener[])listenerList.getListeners(
-                ActionListener.class);
+        return listenerList.getListeners(ActionListener.class);
     }
 
     /**
@@ -937,8 +936,7 @@ implements ItemSelectable,ListDataListener,ActionListener, Accessible {
      * @since 1.4
      */
     public PopupMenuListener[] getPopupMenuListeners() {
-        return (PopupMenuListener[])listenerList.getListeners(
-                PopupMenuListener.class);
+        return listenerList.getListeners(PopupMenuListener.class);
     }
 
     /**
@@ -1668,7 +1666,7 @@ implements ItemSelectable,ListDataListener,ActionListener, Accessible {
             if (editor != null) {
                 Component comp = editor.getEditorComponent();
                 if (comp instanceof Accessible) {
-                    AccessibleContext ac = ((Accessible)comp).getAccessibleContext();
+                    AccessibleContext ac = comp.getAccessibleContext();
                     if (ac != null) { // may be null
                         ac.setAccessibleName(getAccessibleName());
                         ac.setAccessibleDescription(getAccessibleDescription());
@@ -1741,7 +1739,7 @@ implements ItemSelectable,ListDataListener,ActionListener, Accessible {
 
                 // Fire a FOCUSED lost PropertyChangeEvent for the
                 // previously selected list item.
-                PropertyChangeEvent pce = null;
+                PropertyChangeEvent pce;
 
                 if (previousSelectedAccessible != null) {
                     pce = new PropertyChangeEvent(previousSelectedAccessible,

src/share/classes/javax/swing/JComponent.java

@@ -192,7 +192,8 @@ public abstract class JComponent extends Container implements Serializable,
     /**
      * @see #readObject
      */
-    private static final Hashtable readObjectCallbacks = new Hashtable(1);
+    private static final Hashtable<ObjectInputStream, ReadObjectCallback> readObjectCallbacks =
+            new Hashtable<ObjectInputStream, ReadObjectCallback>(1);
 
     /**
      * Keys to use for forward focus traversal when the JComponent is
@@ -356,7 +357,7 @@ public abstract class JComponent extends Container implements Serializable,
     /**
      * Temporary rectangles.
      */
-    private static java.util.List tempRectangles = new java.util.ArrayList(11);
+    private static java.util.List<Rectangle> tempRectangles = new java.util.ArrayList<Rectangle>(11);
 
     /** Used for <code>WHEN_FOCUSED</code> bindings. */
     private InputMap focusInputMap;
@@ -451,7 +452,7 @@ public abstract class JComponent extends Container implements Serializable,
             Rectangle rect;
             int size = tempRectangles.size();
             if (size > 0) {
-                rect = (Rectangle)tempRectangles.remove(size - 1);
+                rect = tempRectangles.remove(size - 1);
             }
             else {
                 rect = new Rectangle(0, 0, 0, 0);
@@ -806,7 +807,7 @@ public abstract class JComponent extends Container implements Serializable,
             // its index.
             if (paintingChild != null &&
                 (paintingChild instanceof JComponent) &&
-                ((JComponent)paintingChild).isOpaque()) {
+                paintingChild.isOpaque()) {
                 for (; i >= 0; i--) {
                     if (getComponent(i) == paintingChild){
                         break;
@@ -875,7 +876,7 @@ public abstract class JComponent extends Container implements Serializable,
                                     shouldSetFlagBack = true;
                                 }
                                 if(!printing) {
-                                    ((JComponent)comp).paint(cg);
+                                    comp.paint(cg);
                                 }
                                 else {
                                     if (!getFlag(IS_PRINTING_ALL)) {
@@ -1098,7 +1099,7 @@ public abstract class JComponent extends Container implements Serializable,
     }
 
     private void adjustPaintFlags() {
-        JComponent jparent = null;
+        JComponent jparent;
         Container parent;
         for(parent = getParent() ; parent != null ; parent =
             parent.getParent()) {
@@ -2096,7 +2097,7 @@ public abstract class JComponent extends Container implements Serializable,
     private void registerWithKeyboardManager(boolean onlyIfNew) {
         InputMap inputMap = getInputMap(WHEN_IN_FOCUSED_WINDOW, false);
         KeyStroke[] strokes;
-        Hashtable registered = (Hashtable)getClientProperty
+        Hashtable<KeyStroke, KeyStroke> registered = (Hashtable)getClientProperty
                                 (WHEN_IN_FOCUSED_WINDOW_BINDINGS);
 
         if (inputMap != null) {
@@ -2120,10 +2121,10 @@ public abstract class JComponent extends Container implements Serializable,
         }
         // Remove any old ones.
         if (registered != null && registered.size() > 0) {
-            Enumeration keys = registered.keys();
+            Enumeration<KeyStroke> keys = registered.keys();
 
             while (keys.hasMoreElements()) {
-                KeyStroke ks = (KeyStroke)keys.nextElement();
+                KeyStroke ks = keys.nextElement();
                 unregisterWithKeyboardManager(ks);
             }
             registered.clear();
@@ -2131,7 +2132,7 @@ public abstract class JComponent extends Container implements Serializable,
         // Updated the registered Hashtable.
         if (strokes != null && strokes.length > 0) {
             if (registered == null) {
-                registered = new Hashtable(strokes.length);
+                registered = new Hashtable<KeyStroke, KeyStroke>(strokes.length);
                 putClientProperty(WHEN_IN_FOCUSED_WINDOW_BINDINGS, registered);
             }
             for (int counter = strokes.length - 1; counter >= 0; counter--) {
@@ -2174,7 +2175,7 @@ public abstract class JComponent extends Container implements Serializable,
         InputMap km = getInputMap(WHEN_IN_FOCUSED_WINDOW, false);
 
         while (km != inputMap && km != null) {
-            km = (ComponentInputMap)km.getParent();
+            km = km.getParent();
         }
         if (km != null) {
             registerWithKeyboardManager(false);
@@ -3673,7 +3674,7 @@ public abstract class JComponent extends Container implements Serializable,
                 if (c != null && c instanceof Accessible) {
                     AccessibleJComponent.this.firePropertyChange(
                         AccessibleContext.ACCESSIBLE_CHILD_PROPERTY,
-                        null, ((Accessible) c).getAccessibleContext());
+                        null, c.getAccessibleContext());
                 }
             }
             public void componentRemoved(ContainerEvent e) {
@@ -3681,7 +3682,7 @@ public abstract class JComponent extends Container implements Serializable,
                 if (c != null && c instanceof Accessible) {
                     AccessibleJComponent.this.firePropertyChange(
                         AccessibleContext.ACCESSIBLE_CHILD_PROPERTY,
-                        ((Accessible) c).getAccessibleContext(), null);
+                        c.getAccessibleContext(), null);
                 }
             }
         }
@@ -4377,7 +4378,7 @@ public abstract class JComponent extends Container implements Serializable,
 //                  System.out.println("A) checking opaque: " + ((JComponent)child).isOpaque() + "  " + child);
 //                  System.out.print("B) ");
 //                  Thread.dumpStack();
-                    return ((JComponent)child).isOpaque();
+                    return child.isOpaque();
                 } else {
                     /** Sometimes a heavy weight can have a bound larger than its peer size
                      *  so we should always draw under heavy weights
@@ -4693,7 +4694,7 @@ public abstract class JComponent extends Container implements Serializable,
             result = (T[])getPropertyChangeListeners();
         }
         else {
-            result = (T[])listenerList.getListeners(listenerType);
+            result = listenerList.getListeners(listenerType);
         }
 
         if (result.length == 0) {
@@ -4904,7 +4905,7 @@ public abstract class JComponent extends Container implements Serializable,
         if(!isShowing()) {
             return;
         }
-        while(!((JComponent)c).isOpaque()) {
+        while(!c.isOpaque()) {
             parent = c.getParent();
             if(parent != null) {
                 x += c.getX();
@@ -5198,7 +5199,7 @@ public abstract class JComponent extends Container implements Serializable,
             Rectangle siblingRect;
             boolean opaque;
             if (sibling instanceof JComponent) {
-                opaque = ((JComponent)sibling).isOpaque();
+                opaque = sibling.isOpaque();
                 if (!opaque) {
                     if (retValue == PARTIALLY_OBSCURED) {
                         continue;
@@ -5345,7 +5346,7 @@ public abstract class JComponent extends Container implements Serializable,
      */
     private class ReadObjectCallback implements ObjectInputValidation
     {
-        private final Vector roots = new Vector(1);
+        private final Vector<JComponent> roots = new Vector<JComponent>(1);
         private final ObjectInputStream inputStream;
 
         ReadObjectCallback(ObjectInputStream s) throws Exception {
@@ -5361,8 +5362,7 @@ public abstract class JComponent extends Container implements Serializable,
          */
         public void validateObject() throws InvalidObjectException {
             try {
-                for(int i = 0; i < roots.size(); i++) {
-                    JComponent root = (JComponent)(roots.elementAt(i));
+                for (JComponent root : roots) {
                     SwingUtilities.updateComponentTreeUI(root);
                 }
             }
@@ -5382,8 +5382,7 @@ public abstract class JComponent extends Container implements Serializable,
             /* If the Component c is a descendant of one of the
              * existing roots (or it IS an existing root), we're done.
              */
-            for(int i = 0; i < roots.size(); i++) {
-                JComponent root = (JComponent)roots.elementAt(i);
+            for (JComponent root : roots) {
                 for(Component p = c; p != null; p = p.getParent()) {
                     if (p == root) {
                         return;
@@ -5396,7 +5395,7 @@ public abstract class JComponent extends Container implements Serializable,
              * to the roots vector.
              */
             for(int i = 0; i < roots.size(); i++) {
-                JComponent root = (JComponent)roots.elementAt(i);
+                JComponent root = roots.elementAt(i);
                 for(Component p = root.getParent(); p != null; p = p.getParent()) {
                     if (p == c) {
                         roots.removeElementAt(i--); // !!
@@ -5428,7 +5427,7 @@ public abstract class JComponent extends Container implements Serializable,
          * in the readObjectCallbacks table.  Note that the ReadObjectCallback
          * constructor takes care of calling s.registerValidation().
          */
-        ReadObjectCallback cb = (ReadObjectCallback)(readObjectCallbacks.get(s));
+        ReadObjectCallback cb = readObjectCallbacks.get(s);
         if (cb == null) {
             try {
                 readObjectCallbacks.put(s, cb = new ReadObjectCallback(s));

src/share/classes/javax/swing/JDesktopPane.java

@@ -133,8 +133,8 @@ public class JDesktopPane extends JLayeredPane implements Accessible
             public Component getDefaultComponent(Container c) {
                 JInternalFrame jifArray[] = getAllFrames();
                 Component comp = null;
-                for (int i = 0; i < jifArray.length; i++) {
-                    comp = jifArray[i].getFocusTraversalPolicy().getDefaultComponent(jifArray[i]);
+                for (JInternalFrame jif : jifArray) {
+                    comp = jif.getFocusTraversalPolicy().getDefaultComponent(jif);
                     if (comp != null) {
                         break;
                     }
@@ -262,16 +262,15 @@ public class JDesktopPane extends JLayeredPane implements Accessible
     public JInternalFrame[] getAllFrames() {
         int i, count;
         JInternalFrame[] results;
-        Vector vResults = new Vector(10);
-        Object next, tmp;
+        Vector<JInternalFrame> vResults = new Vector<JInternalFrame>(10);
 
         count = getComponentCount();
         for(i = 0; i < count; i++) {
-            next = getComponent(i);
+            Component next = getComponent(i);
             if(next instanceof JInternalFrame)
-                vResults.addElement(next);
+                vResults.addElement((JInternalFrame) next);
             else if(next instanceof JInternalFrame.JDesktopIcon)  {
-                tmp = ((JInternalFrame.JDesktopIcon)next).getInternalFrame();
+                JInternalFrame tmp = ((JInternalFrame.JDesktopIcon)next).getInternalFrame();
                 if(tmp != null)
                     vResults.addElement(tmp);
             }
@@ -324,18 +323,17 @@ public class JDesktopPane extends JLayeredPane implements Accessible
     public JInternalFrame[] getAllFramesInLayer(int layer) {
         int i, count;
         JInternalFrame[] results;
-        Vector vResults = new Vector(10);
-        Object next, tmp;
+        Vector<JInternalFrame> vResults = new Vector<JInternalFrame>(10);
 
         count = getComponentCount();
         for(i = 0; i < count; i++) {
-            next = getComponent(i);
+            Component next = getComponent(i);
             if(next instanceof JInternalFrame) {
                 if(((JInternalFrame)next).getLayer() == layer)
-                    vResults.addElement(next);
+                    vResults.addElement((JInternalFrame) next);
             } else if(next instanceof JInternalFrame.JDesktopIcon)  {
-                tmp = ((JInternalFrame.JDesktopIcon)next).getInternalFrame();
-                if(tmp != null && ((JInternalFrame)tmp).getLayer() == layer)
+                JInternalFrame tmp = ((JInternalFrame.JDesktopIcon)next).getInternalFrame();
+                if(tmp != null && tmp.getLayer() == layer)
                     vResults.addElement(tmp);
             }
         }

src/share/classes/javax/swing/JDialog.java

@@ -277,7 +277,7 @@ public class JDialog extends Dialog implements WindowConstants,
               title, modal);
         if (owner == null) {
             WindowListener ownerShutdownListener =
-                (WindowListener)SwingUtilities.getSharedOwnerFrameShutdownListener();
+                    SwingUtilities.getSharedOwnerFrameShutdownListener();
             addWindowListener(ownerShutdownListener);
         }
         dialogInit();
@@ -329,7 +329,7 @@ public class JDialog extends Dialog implements WindowConstants,
               title, modal, gc);
         if (owner == null) {
             WindowListener ownerShutdownListener =
-                (WindowListener)SwingUtilities.getSharedOwnerFrameShutdownListener();
+                    SwingUtilities.getSharedOwnerFrameShutdownListener();
             addWindowListener(ownerShutdownListener);
         }
         dialogInit();

src/share/classes/javax/swing/JEditorPane.java

@@ -319,8 +319,7 @@ public class JEditorPane extends JTextComponent {
      * @since 1.4
      */
     public synchronized HyperlinkListener[] getHyperlinkListeners() {
-        return (HyperlinkListener[])listenerList.getListeners(
-                HyperlinkListener.class);
+        return listenerList.getListeners(javax.swing.event.HyperlinkListener.class);
     }
 
     /**
@@ -492,8 +491,8 @@ public class JEditorPane extends JTextComponent {
         if (pageProperties != null) {
             // transfer properties discovered in stream to the
             // document property collection.
-            for (Enumeration e = pageProperties.keys(); e.hasMoreElements() ;) {
-                Object key = e.nextElement();
+            for (Enumeration<String> e = pageProperties.keys(); e.hasMoreElements() ;) {
+                String key = e.nextElement();
                 doc.putProperty(key, pageProperties.get(key));
             }
             pageProperties.clear();
@@ -775,7 +774,7 @@ public class JEditorPane extends JTextComponent {
      */
     private void handleConnectionProperties(URLConnection conn) {
         if (pageProperties == null) {
-            pageProperties = new Hashtable();
+            pageProperties = new Hashtable<String, Object>();
         }
         String type = conn.getContentType();
         if (type != null) {
@@ -989,7 +988,7 @@ public class JEditorPane extends JTextComponent {
      * of the content type in the http header information.
      */
     private void setCharsetFromContentTypeParameters(String paramlist) {
-        String charset = null;
+        String charset;
         try {
             // paramlist is handed to us with a leading ';', strip it.
             int semi = paramlist.indexOf(';');
@@ -1080,9 +1079,9 @@ public class JEditorPane extends JTextComponent {
      */
     public EditorKit getEditorKitForContentType(String type) {
         if (typeHandlers == null) {
-            typeHandlers = new Hashtable(3);
+            typeHandlers = new Hashtable<String, EditorKit>(3);
         }
-        EditorKit k = (EditorKit) typeHandlers.get(type);
+        EditorKit k = typeHandlers.get(type);
         if (k == null) {
             k = createEditorKitForContentType(type);
             if (k != null) {
@@ -1106,7 +1105,7 @@ public class JEditorPane extends JTextComponent {
      */
     public void setEditorKitForContentType(String type, EditorKit k) {
         if (typeHandlers == null) {
-            typeHandlers = new Hashtable(3);
+            typeHandlers = new Hashtable<String, EditorKit>(3);
         }
         typeHandlers.put(type, k);
     }
@@ -1176,13 +1175,12 @@ public class JEditorPane extends JTextComponent {
      *   registered for the given type
      */
     public static EditorKit createEditorKitForContentType(String type) {
-        EditorKit k = null;
-        Hashtable kitRegistry = getKitRegisty();
-        k = (EditorKit) kitRegistry.get(type);
+        Hashtable<String, EditorKit> kitRegistry = getKitRegisty();
+        EditorKit k = kitRegistry.get(type);
         if (k == null) {
             // try to dynamically load the support
-            String classname = (String) getKitTypeRegistry().get(type);
-            ClassLoader loader = (ClassLoader) getKitLoaderRegistry().get(type);
+            String classname = getKitTypeRegistry().get(type);
+            ClassLoader loader = getKitLoaderRegistry().get(type);
             try {
                 Class c;
                 if (loader != null) {
@@ -1252,20 +1250,20 @@ public class JEditorPane extends JTextComponent {
      * @since 1.3
      */
     public static String getEditorKitClassNameForContentType(String type) {
-        return (String)getKitTypeRegistry().get(type);
+        return getKitTypeRegistry().get(type);
     }
 
-    private static Hashtable getKitTypeRegistry() {
+    private static Hashtable<String, String> getKitTypeRegistry() {
         loadDefaultKitsIfNecessary();
         return (Hashtable)SwingUtilities.appContextGet(kitTypeRegistryKey);
     }
 
-    private static Hashtable getKitLoaderRegistry() {
+    private static Hashtable<String, ClassLoader> getKitLoaderRegistry() {
         loadDefaultKitsIfNecessary();
         return (Hashtable)SwingUtilities.appContextGet(kitLoaderRegistryKey);
     }
 
-    private static Hashtable getKitRegisty() {
+    private static Hashtable<String, EditorKit> getKitRegisty() {
         Hashtable ht = (Hashtable)SwingUtilities.appContextGet(kitRegistryKey);
         if (ht == null) {
             ht = new Hashtable(3);
@@ -1512,7 +1510,7 @@ public class JEditorPane extends JTextComponent {
     private EditorKit kit;
     private boolean isUserSetEditorKit;
 
-    private Hashtable pageProperties;
+    private Hashtable<String, Object> pageProperties;
 
     /** Should be kept in sync with javax.swing.text.html.FormView counterpart. */
     final static String PostDataProperty = "javax.swing.JEditorPane.postdata";
@@ -1520,7 +1518,7 @@ public class JEditorPane extends JTextComponent {
     /**
      * Table of registered type handlers for this editor.
      */
-    private Hashtable typeHandlers;
+    private Hashtable<String, EditorKit> typeHandlers;
 
     /*
      * Private AppContext keys for this class's static variables.
@@ -1913,11 +1911,11 @@ public class JEditorPane extends JTextComponent {
             }
         }
 
-        private class LinkVector extends Vector {
+        private class LinkVector extends Vector<HTMLLink> {
             public int baseElementIndex(Element e) {
                 HTMLLink l;
                 for (int i = 0; i < elementCount; i++) {
-                    l = (HTMLLink) elementAt(i);
+                    l = elementAt(i);
                     if (l.element == e) {
                         return i;
                     }
@@ -2029,7 +2027,7 @@ public class JEditorPane extends JTextComponent {
                 buildLinkTable();
             }
             if (linkIndex >= 0 && linkIndex < hyperlinks.size()) {
-                return (AccessibleHyperlink) hyperlinks.elementAt(linkIndex);
+                return hyperlinks.elementAt(linkIndex);
             } else {
                 return null;
             }

src/share/classes/javax/swing/JFileChooser.java

@@ -248,7 +248,7 @@ public class JFileChooser extends JComponent implements Accessible {
     private String approveButtonToolTipText = null;
     private int approveButtonMnemonic = 0;
 
-    private Vector filters = new Vector(5);
+    private Vector<FileFilter> filters = new Vector<FileFilter>(5);
     private JDialog dialog = null;
     private int dialogType = OPEN_DIALOG;
     private int returnValue = ERROR_OPTION;
@@ -503,7 +503,7 @@ public class JFileChooser extends JComponent implements Accessible {
         if(selectedFiles == null) {
             return new File[0];
         } else {
-            return (File[]) selectedFiles.clone();
+            return selectedFiles.clone();
         }
     }
 
@@ -1415,17 +1415,17 @@ public class JFileChooser extends JComponent implements Accessible {
         fileFilter = filter;
         if (filter != null) {
             if (isMultiSelectionEnabled() && selectedFiles != null && selectedFiles.length > 0) {
-                Vector fList = new Vector();
+                Vector<File> fList = new Vector<File>();
                 boolean failed = false;
-                for (int i = 0; i < selectedFiles.length; i++) {
-                    if (filter.accept(selectedFiles[i])) {
-                        fList.add(selectedFiles[i]);
+                for (File file : selectedFiles) {
+                    if (filter.accept(file)) {
+                        fList.add(file);
                     } else {
                         failed = true;
                     }
                 }
                 if (failed) {
-                    setSelectedFiles((fList.size() == 0) ? null : (File[])fList.toArray(new File[fList.size()]));
+                    setSelectedFiles((fList.size() == 0) ? null : fList.toArray(new File[fList.size()]));
                 }
             } else if (selectedFile != null && !filter.accept(selectedFile)) {
                 setSelectedFile(null);
@@ -1702,8 +1702,7 @@ public class JFileChooser extends JComponent implements Accessible {
      * @since 1.4
      */
     public ActionListener[] getActionListeners() {
-        return (ActionListener[])listenerList.getListeners(
-                ActionListener.class);
+        return listenerList.getListeners(ActionListener.class);
     }
 
     /**
@@ -1744,7 +1743,7 @@ public class JFileChooser extends JComponent implements Accessible {
         WeakReference<JFileChooser> jfcRef;
 
         public WeakPCL(JFileChooser jfc) {
-            jfcRef = new WeakReference(jfc);
+            jfcRef = new WeakReference<JFileChooser>(jfc);
         }
         public void propertyChange(PropertyChangeEvent ev) {
             assert ev.getPropertyName().equals(SHOW_HIDDEN_PROP);

src/share/classes/javax/swing/JInternalFrame.java

@@ -421,8 +421,8 @@ public class JInternalFrame extends JComponent implements
         invalidate();
         Component[] children = getComponents();
         if (children != null) {
-            for(int i = 0; i < children.length; i++) {
-                SwingUtilities.updateComponentTreeUI(children[i]);
+            for (Component child : children) {
+                SwingUtilities.updateComponentTreeUI(child);
             }
         }
     }
@@ -1535,8 +1535,7 @@ public class JInternalFrame extends JComponent implements
      * @see #addInternalFrameListener
      */
     public InternalFrameListener[] getInternalFrameListeners() {
-        return (InternalFrameListener[])listenerList.getListeners(
-                InternalFrameListener.class);
+        return listenerList.getListeners(InternalFrameListener.class);
     }
 
     // remind: name ok? all one method ok? need to be synchronized?
@@ -2258,8 +2257,8 @@ public class JInternalFrame extends JComponent implements
             invalidate();
             Component[] children = getComponents();
             if (children != null) {
-                for(int i = 0; i < children.length; i++) {
-                    SwingUtilities.updateComponentTreeUI(children[i]);
+                for (Component child : children) {
+                    SwingUtilities.updateComponentTreeUI(child);
                 }
             }
         }

src/share/classes/javax/swing/JLayeredPane.java

@@ -191,7 +191,7 @@ public class JLayeredPane extends JComponent implements Accessible {
     private void validateOptimizedDrawing() {
         boolean layeredComponentFound = false;
         synchronized(getTreeLock()) {
-            Integer layer = null;
+            Integer layer;
 
             for (Component c : getComponents()) {
                 layer = null;
@@ -213,7 +213,7 @@ public class JLayeredPane extends JComponent implements Accessible {
     }
 
     protected void addImpl(Component comp, Object constraints, int index) {
-        int layer = DEFAULT_LAYER.intValue();
+        int layer;
         int pos;
 
         if(constraints instanceof Integer) {
@@ -364,7 +364,7 @@ public class JLayeredPane extends JComponent implements Accessible {
         if(c instanceof JComponent)
             ((JComponent)c).putClientProperty(LAYER_PROPERTY, layerObj);
         else
-            getComponentToLayer().put((Component)c, layerObj);
+            getComponentToLayer().put(c, layerObj);
 
         if(c.getParent() == null || c.getParent() != this) {
             repaint(c.getBounds());
@@ -388,7 +388,7 @@ public class JLayeredPane extends JComponent implements Accessible {
         if(c instanceof JComponent)
             i = (Integer)((JComponent)c).getClientProperty(LAYER_PROPERTY);
         else
-            i = (Integer)getComponentToLayer().get((Component)c);
+            i = getComponentToLayer().get(c);
 
         if(i == null)
             return DEFAULT_LAYER.intValue();
@@ -465,9 +465,9 @@ public class JLayeredPane extends JComponent implements Accessible {
      * @see #getComponentCountInLayer
      */
     public int getPosition(Component c) {
-        int i, count, startLayer, curLayer, startLocation, pos = 0;
+        int i, startLayer, curLayer, startLocation, pos = 0;
 
-        count = getComponentCount();
+        getComponentCount();
         startLocation = getIndexOf(c);
 
         if(startLocation == -1)

src/share/classes/javax/swing/JList.java

@@ -1848,8 +1848,7 @@ public class JList extends JComponent implements Scrollable, Accessible
      * @since 1.4
      */
     public ListSelectionListener[] getListSelectionListeners() {
-        return (ListSelectionListener[])listenerList.getListeners(
-                ListSelectionListener.class);
+        return listenerList.getListeners(ListSelectionListener.class);
     }
 
 
@@ -2220,9 +2219,9 @@ public class JList extends JComponent implements Scrollable, Accessible
         ListSelectionModel sm = getSelectionModel();
         sm.clearSelection();
         int size = getModel().getSize();
-        for(int i = 0; i < indices.length; i++) {
-            if (indices[i] < size) {
-                sm.addSelectionInterval(indices[i], indices[i]);
+        for (int i : indices) {
+            if (i < size) {
+                sm.addSelectionInterval(i, i);
             }
         }
     }
@@ -2724,7 +2723,7 @@ public class JList extends JComponent implements Scrollable, Accessible
             return true;
         }
         if (getParent() instanceof JViewport) {
-            return (((JViewport)getParent()).getWidth() > getPreferredSize().width);
+            return (getParent().getWidth() > getPreferredSize().width);
         }
         return false;
     }
@@ -2749,7 +2748,7 @@ public class JList extends JComponent implements Scrollable, Accessible
             return true;
         }
         if (getParent() instanceof JViewport) {
-            return (((JViewport)getParent()).getHeight() > getPreferredSize().height);
+            return (getParent().getHeight() > getPreferredSize().height);
         }
         return false;
     }
@@ -3161,7 +3160,7 @@ public class JList extends JComponent implements Scrollable, Accessible
             private AccessibleContext getCurrentAccessibleContext() {
                 Component c = getComponentAtIndex(indexInParent);
                 if (c instanceof Accessible) {
-                    return ((Accessible) c).getAccessibleContext();
+                    return c.getAccessibleContext();
                 } else {
                     return null;
                 }

src/share/classes/javax/swing/JMenu.java

@@ -371,8 +371,8 @@ public class JMenu extends JMenuItem implements Accessible,MenuElement
      * @since 1.3
      */
     protected Point getPopupMenuOrigin() {
-        int x = 0;
-        int y = 0;
+        int x;
+        int y;
         JPopupMenu pm = getPopupMenu();
         // Figure out the sizes needed to caclulate the menu position
         Dimension s = getSize();
@@ -900,10 +900,8 @@ public class JMenu extends JMenuItem implements Accessible,MenuElement
      *         on another menu
      */
     public boolean isTopLevelMenu() {
-        if (getParent() instanceof JMenuBar)
-            return true;
+        return getParent() instanceof JMenuBar;
 
-        return false;
     }
 
     /**
@@ -1015,7 +1013,7 @@ public class JMenu extends JMenuItem implements Accessible,MenuElement
      * @since 1.4
      */
     public MenuListener[] getMenuListeners() {
-        return (MenuListener[])listenerList.getListeners(MenuListener.class);
+        return listenerList.getListeners(MenuListener.class);
     }
 
     /**
@@ -1305,7 +1303,7 @@ public class JMenu extends JMenuItem implements Accessible,MenuElement
      * @return the array of menu items
      */
     private MenuElement[] buildMenuElementArray(JMenu leaf) {
-        Vector elements = new Vector();
+        Vector<MenuElement> elements = new Vector<MenuElement>();
         Component current = leaf.getPopupMenu();
         JPopupMenu pop;
         JMenu menu;
@@ -1409,8 +1407,8 @@ public class JMenu extends JMenuItem implements Accessible,MenuElement
         public int getAccessibleChildrenCount() {
             Component[] children = getMenuComponents();
             int count = 0;
-            for (int j = 0; j < children.length; j++) {
-                if (children[j] instanceof Accessible) {
+            for (Component child : children) {
+                if (child instanceof Accessible) {
                     count++;
                 }
             }
@@ -1426,18 +1424,18 @@ public class JMenu extends JMenuItem implements Accessible,MenuElement
         public Accessible getAccessibleChild(int i) {
             Component[] children = getMenuComponents();
             int count = 0;
-            for (int j = 0; j < children.length; j++) {
-                if (children[j] instanceof Accessible) {
+            for (Component child : children) {
+                if (child instanceof Accessible) {
                     if (count == i) {
-                        if (children[j] instanceof JComponent) {
+                        if (child instanceof JComponent) {
                             // FIXME:  [[[WDW - probably should set this when
                             // the component is added to the menu.  I tried
                             // to do this in most cases, but the separators
                             // added by addSeparator are hard to get to.]]]
-                            AccessibleContext ac = ((Accessible) children[j]).getAccessibleContext();
+                            AccessibleContext ac = child.getAccessibleContext();
                             ac.setAccessibleParent(JMenu.this);
                         }
-                        return (Accessible) children[j];
+                        return (Accessible) child;
                     } else {
                         count++;
                     }
@@ -1581,7 +1579,7 @@ public class JMenu extends JMenuItem implements Accessible,MenuElement
             }
             JMenuItem mi = getItem(i);
             if (mi != null && mi instanceof JMenu) {
-                if (((JMenu) mi).isSelected()) {
+                if (mi.isSelected()) {
                     MenuElement old[] =
                         MenuSelectionManager.defaultManager().getSelectedPath();
                     MenuElement me[] = new MenuElement[old.length-2];

src/share/classes/javax/swing/JMenuBar.java

@@ -414,7 +414,7 @@ public class JMenuBar extends JComponent implements Accessible,MenuElement
      */
     public MenuElement[] getSubElements() {
         MenuElement result[];
-        Vector tmp = new Vector();
+        Vector<MenuElement> tmp = new Vector<MenuElement>();
         int c = getComponentCount();
         int i;
         Component m;
@@ -422,12 +422,12 @@ public class JMenuBar extends JComponent implements Accessible,MenuElement
         for(i=0 ; i < c ; i++) {
             m = getComponent(i);
             if(m instanceof MenuElement)
-                tmp.addElement(m);
+                tmp.addElement((MenuElement) m);
         }
 
         result = new MenuElement[tmp.size()];
         for(i=0,c=tmp.size() ; i < c ; i++)
-            result[i] = (MenuElement) tmp.elementAt(i);
+            result[i] = tmp.elementAt(i);
         return result;
     }
 
@@ -664,9 +664,9 @@ public class JMenuBar extends JComponent implements Accessible,MenuElement
         boolean retValue = super.processKeyBinding(ks, e, condition, pressed);
         if (!retValue) {
             MenuElement[] subElements = getSubElements();
-            for (int i=0; i<subElements.length; i++) {
+            for (MenuElement subElement : subElements) {
                 if (processBindingForKeyStrokeRecursive(
-                                                        subElements[i], ks, e, condition, pressed)) {
+                        subElement, ks, e, condition, pressed)) {
                     return true;
                 }
             }
@@ -693,9 +693,8 @@ public class JMenuBar extends JComponent implements Accessible,MenuElement
         }
 
         MenuElement[] subElements = elem.getSubElements();
-        for(int i=0; i<subElements.length; i++) {
-            if (processBindingForKeyStrokeRecursive(subElements[i], ks, e,
-                                                    condition, pressed)) {
+        for (MenuElement subElement : subElements) {
+            if (processBindingForKeyStrokeRecursive(subElement, ks, e, condition, pressed)) {
                 return true;
                 // We don't, pass along to children JMenu's
             }

src/share/classes/javax/swing/JMenuItem.java

@@ -275,7 +275,7 @@ public class JMenuItem extends AbstractButton implements Accessible,MenuElement
      *         hidden: true
      */
     public void setArmed(boolean b) {
-        ButtonModel model = (ButtonModel) getModel();
+        ButtonModel model = getModel();
 
         boolean oldValue = model.isArmed();
         if(model.isArmed() != b) {
@@ -290,7 +290,7 @@ public class JMenuItem extends AbstractButton implements Accessible,MenuElement
      * @see #setArmed
      */
     public boolean isArmed() {
-        ButtonModel model = (ButtonModel) getModel();
+        ButtonModel model = getModel();
         return model.isArmed();
     }
 
@@ -721,8 +721,7 @@ public class JMenuItem extends AbstractButton implements Accessible,MenuElement
      * @since 1.4
      */
     public MenuDragMouseListener[] getMenuDragMouseListeners() {
-        return (MenuDragMouseListener[])listenerList.getListeners(
-                MenuDragMouseListener.class);
+        return listenerList.getListeners(MenuDragMouseListener.class);
     }
 
     /**
@@ -752,8 +751,7 @@ public class JMenuItem extends AbstractButton implements Accessible,MenuElement
      * @since 1.4
      */
     public MenuKeyListener[] getMenuKeyListeners() {
-        return (MenuKeyListener[])listenerList.getListeners(
-                MenuKeyListener.class);
+        return listenerList.getListeners(MenuKeyListener.class);
     }
 
     /**

src/share/classes/javax/swing/JOptionPane.java

@@ -963,7 +963,7 @@ public class JOptionPane extends JComponent implements Accessible
         }
         if (window instanceof SwingUtilities.SharedOwnerFrame) {
             WindowListener ownerShutdownListener =
-                (WindowListener)SwingUtilities.getSharedOwnerFrameShutdownListener();
+                    SwingUtilities.getSharedOwnerFrameShutdownListener();
             dialog.addWindowListener(ownerShutdownListener);
         }
         initDialog(dialog, style, parentComponent);
@@ -1300,11 +1300,10 @@ public class JOptionPane extends JComponent implements Accessible
 
         // Use reflection to get Container.startLWModal.
         try {
-            Object obj;
-            obj = AccessController.doPrivileged(new ModalPrivilegedAction(
+            Method method = AccessController.doPrivileged(new ModalPrivilegedAction(
                     Container.class, "startLWModal"));
-            if (obj != null) {
-                ((Method)obj).invoke(dialog, (Object[])null);
+            if (method != null) {
+                method.invoke(dialog, (Object[])null);
             }
         } catch (IllegalAccessException ex) {
         } catch (IllegalArgumentException ex) {
@@ -1446,11 +1445,10 @@ public class JOptionPane extends JComponent implements Accessible
 
         // Use reflection to get Container.startLWModal.
         try {
-            Object obj;
-            obj = AccessController.doPrivileged(new ModalPrivilegedAction(
+            Method method = AccessController.doPrivileged(new ModalPrivilegedAction(
                     Container.class, "startLWModal"));
-            if (obj != null) {
-                ((Method)obj).invoke(dialog, (Object[])null);
+            if (method != null) {
+                method.invoke(dialog, (Object[])null);
             }
         } catch (IllegalAccessException ex) {
         } catch (IllegalArgumentException ex) {
@@ -1531,12 +1529,11 @@ public class JOptionPane extends JComponent implements Accessible
                         event.getPropertyName().equals(VALUE_PROPERTY)) {
                 // Use reflection to get Container.stopLWModal().
                 try {
-                    Object obj;
-                    obj = AccessController.doPrivileged(
+                    Method method = AccessController.doPrivileged(
                         new ModalPrivilegedAction(
                             Container.class, "stopLWModal"));
-                    if (obj != null) {
-                        ((Method)obj).invoke(iFrame, (Object[])null);
+                    if (method != null) {
+                        method.invoke(iFrame, (Object[])null);
                     }
                 } catch (IllegalAccessException ex) {
                 } catch (IllegalArgumentException ex) {
@@ -1852,7 +1849,7 @@ public class JOptionPane extends JComponent implements Accessible
      * description: The UI object that implements the optionpane's LookAndFeel
      */
     public void setUI(OptionPaneUI ui) {
-        if ((OptionPaneUI)this.ui != ui) {
+        if (this.ui != ui) {
             super.setUI(ui);
             invalidate();
         }
@@ -2327,7 +2324,7 @@ public class JOptionPane extends JComponent implements Accessible
 
     // Serialization support.
     private void writeObject(ObjectOutputStream s) throws IOException {
-        Vector      values = new Vector();
+        Vector<Object> values = new Vector<Object>();
 
         s.defaultWriteObject();
         // Save the icon, if its Serializable.
@@ -2342,7 +2339,7 @@ public class JOptionPane extends JComponent implements Accessible
         }
         // Save the treeModel, if its Serializable.
         if(options != null) {
-            Vector           serOptions = new Vector();
+            Vector<Object> serOptions = new Vector<Object>();
 
             for(int counter = 0, maxCounter = options.length;
                 counter < maxCounter; counter++)
@@ -2510,16 +2507,16 @@ public class JOptionPane extends JComponent implements Accessible
     /**
      * Retrieves a method from the provided class and makes it accessible.
      */
-    private static class ModalPrivilegedAction implements PrivilegedAction {
-        private Class clazz;
+    private static class ModalPrivilegedAction implements PrivilegedAction<Method> {
+        private Class<?> clazz;
         private String methodName;
 
-        public ModalPrivilegedAction(Class clazz, String methodName) {
+        public ModalPrivilegedAction(Class<?> clazz, String methodName) {
             this.clazz = clazz;
             this.methodName = methodName;
         }
 
-        public Object run() {
+        public Method run() {
             Method method = null;
             try {
                 method = clazz.getDeclaredMethod(methodName, (Class[])null);

src/share/classes/javax/swing/JPopupMenu.java

@@ -584,7 +584,7 @@ public class JPopupMenu extends JComponent implements Accessible,MenuElement {
 
         int nitems = getComponentCount();
         // PENDING(ges): Why not use an array?
-        Vector tempItems = new Vector();
+        Vector<Component> tempItems = new Vector<Component>();
 
         /* Remove the item at index, nitems-index times
            storing them in a temporary vector in the
@@ -600,8 +600,8 @@ public class JPopupMenu extends JComponent implements Accessible,MenuElement {
         /* Add the removed items back to the menu, they are
            already in the correct order in the temp vector.
            */
-        for (int i = 0; i < tempItems.size()  ; i++) {
-            add((Component)tempItems.elementAt(i));
+        for (Component tempItem : tempItems) {
+            add(tempItem);
         }
     }
 
@@ -632,8 +632,7 @@ public class JPopupMenu extends JComponent implements Accessible,MenuElement {
      * @since 1.4
      */
     public PopupMenuListener[] getPopupMenuListeners() {
-        return (PopupMenuListener[])listenerList.getListeners(
-                PopupMenuListener.class);
+        return listenerList.getListeners(PopupMenuListener.class);
     }
 
     /**
@@ -665,8 +664,7 @@ public class JPopupMenu extends JComponent implements Accessible,MenuElement {
      * @since 1.5
      */
     public MenuKeyListener[] getMenuKeyListeners() {
-        return (MenuKeyListener[])listenerList.getListeners(
-                MenuKeyListener.class);
+        return listenerList.getListeners(MenuKeyListener.class);
     }
 
     /**
@@ -781,7 +779,7 @@ public class JPopupMenu extends JComponent implements Accessible,MenuElement {
             // set selection path before popping up!
             if (isPopupMenu()) {
                 MenuElement me[] = new MenuElement[1];
-                me[0] = (MenuElement) this;
+                me[0] = this;
                 MenuSelectionManager.defaultManager().setSelectedPath(me);
             }
         }
@@ -848,10 +846,7 @@ public class JPopupMenu extends JComponent implements Accessible,MenuElement {
      * being displayed).
      */
     public boolean isVisible() {
-        if(popup != null)
-            return true;
-        else
-            return false;
+        return popup != null;
     }
 
     /**
@@ -1311,7 +1306,7 @@ public class JPopupMenu extends JComponent implements Accessible,MenuElement {
 // Serialization support.
 ////////////
     private void writeObject(ObjectOutputStream s) throws IOException {
-        Vector      values = new Vector();
+        Vector<Object> values = new Vector<Object>();
 
         s.defaultWriteObject();
         // Save the invoker, if its Serializable.
@@ -1494,7 +1489,7 @@ public class JPopupMenu extends JComponent implements Accessible,MenuElement {
      */
     public MenuElement[] getSubElements() {
         MenuElement result[];
-        Vector tmp = new Vector();
+        Vector<MenuElement> tmp = new Vector<MenuElement>();
         int c = getComponentCount();
         int i;
         Component m;
@@ -1502,12 +1497,12 @@ public class JPopupMenu extends JComponent implements Accessible,MenuElement {
         for(i=0 ; i < c ; i++) {
             m = getComponent(i);
             if(m instanceof MenuElement)
-                tmp.addElement(m);
+                tmp.addElement((MenuElement) m);
         }
 
         result = new MenuElement[tmp.size()];
         for(i=0,c=tmp.size() ; i < c ; i++)
-            result[i] = (MenuElement) tmp.elementAt(i);
+            result[i] = tmp.elementAt(i);
         return result;
     }
 

src/share/classes/javax/swing/JProgressBar.java

@@ -699,8 +699,7 @@ public class JProgressBar extends JComponent implements SwingConstants, Accessib
      * @since 1.4
      */
     public ChangeListener[] getChangeListeners() {
-        return (ChangeListener[])listenerList.getListeners(
-                ChangeListener.class);
+        return listenerList.getListeners(ChangeListener.class);
     }
 
     /**

src/share/classes/javax/swing/JScrollBar.java

@@ -659,8 +659,7 @@ public class JScrollBar extends JComponent implements Adjustable, Accessible
      * @since 1.4
      */
     public AdjustmentListener[] getAdjustmentListeners() {
-        return (AdjustmentListener[])listenerList.getListeners(
-                AdjustmentListener.class);
+        return listenerList.getListeners(AdjustmentListener.class);
     }
 
 
@@ -754,8 +753,8 @@ public class JScrollBar extends JComponent implements Adjustable, Accessible
     public void setEnabled(boolean x)  {
         super.setEnabled(x);
         Component[] children = getComponents();
-        for(int i = 0; i < children.length; i++) {
-            children[i].setEnabled(x);
+        for (Component child : children) {
+            child.setEnabled(x);
         }
     }
 

src/share/classes/javax/swing/JSlider.java

@@ -930,7 +930,7 @@ public class JSlider extends JComponent implements SwingConstants, Accessible {
             throw new IllegalArgumentException( "Label incremement must be > 0" );
         }
 
-        class SmartHashtable extends Hashtable implements PropertyChangeListener {
+        class SmartHashtable extends Hashtable<Object, Object> implements PropertyChangeListener {
             int increment = 0;
             int start = 0;
             boolean startAtMin = false;
@@ -977,9 +977,8 @@ public class JSlider extends JComponent implements SwingConstants, Accessible {
                 if ( e.getPropertyName().equals( "minimum" ) ||
                      e.getPropertyName().equals( "maximum" ) ) {
 
-                    Dictionary labelTable = getLabelTable();
-                    Enumeration keys = labelTable.keys();
-                    Hashtable hashtable = new Hashtable();
+                    Enumeration keys = getLabelTable().keys();
+                    Hashtable<Object, Object> hashtable = new Hashtable<Object, Object>();
 
                     // Save the labels that were added by the developer
                     while ( keys.hasMoreElements() ) {

src/share/classes/javax/swing/JSpinner.java

@@ -433,8 +433,7 @@ public class JSpinner extends JComponent implements Accessible
      * @since 1.4
      */
     public ChangeListener[] getChangeListeners() {
-        return (ChangeListener[])listenerList.getListeners(
-                ChangeListener.class);
+        return listenerList.getListeners(ChangeListener.class);
     }
 
 
@@ -1536,7 +1535,7 @@ public class JSpinner extends JComponent implements Accessible
                     return textField.getAccessibleContext();
                 }
             } else if (editor instanceof Accessible) {
-                return ((Accessible)editor).getAccessibleContext();
+                return editor.getAccessibleContext();
             }
             return null;
         }
@@ -1693,7 +1692,7 @@ public class JSpinner extends JComponent implements Accessible
             if (i < 0 || i > 1) {
                 return false;
             }
-            Object o = null;
+            Object o;
             if (i == 0) {
                 o = getNextValue(); // AccessibleAction.INCREMENT
             } else {

src/share/classes/javax/swing/JTabbedPane.java

@@ -313,8 +313,7 @@ public class JTabbedPane extends JComponent
      * @since 1.4
      */
     public ChangeListener[] getChangeListeners() {
-        return (ChangeListener[])listenerList.getListeners(
-                ChangeListener.class);
+        return listenerList.getListeners(ChangeListener.class);
     }
 
     /**
@@ -2062,7 +2061,7 @@ public class JTabbedPane extends JComponent
                  * Accessibility classes unnecessarily.
                  */
                 AccessibleContext ac;
-                ac = ((Accessible) component).getAccessibleContext();
+                ac = component.getAccessibleContext();
                 if (ac != null) {
                     ac.setAccessibleParent(this);
                 }

src/share/classes/javax/swing/JTable.java

@@ -1677,16 +1677,16 @@ public class JTable extends JComponent implements TableModelListener, Scrollable
                 if (!forDrop && state != null) {
                     clearSelection();
 
-                    int[] rows = (int[])((int[][])state)[0];
-                    int[] cols = (int[])((int[][])state)[1];
-                    int[] anchleads = (int[])((int[][])state)[2];
+                    int[] rows = ((int[][])state)[0];
+                    int[] cols = ((int[][])state)[1];
+                    int[] anchleads = ((int[][])state)[2];
 
-                    for (int i = 0; i < rows.length; i++) {
-                        addRowSelectionInterval(rows[i], rows[i]);
+                    for (int row : rows) {
+                        addRowSelectionInterval(row, row);
                     }
 
-                    for (int i = 0; i < cols.length; i++) {
-                        addColumnSelectionInterval(cols[i], cols[i]);
+                    for (int col : cols) {
+                        addColumnSelectionInterval(col, col);
                     }
 
                     SwingUtilities2.setLeadAnchorWithoutSelection(
@@ -1776,7 +1776,7 @@ public class JTable extends JComponent implements TableModelListener, Scrollable
         boolean oldValue = this.autoCreateRowSorter;
         this.autoCreateRowSorter = autoCreateRowSorter;
         if (autoCreateRowSorter) {
-            setRowSorter(new TableRowSorter(getModel()));
+            setRowSorter(new TableRowSorter<TableModel>(getModel()));
         }
         firePropertyChange("autoCreateRowSorter", oldValue,
                            autoCreateRowSorter);
@@ -3198,7 +3198,7 @@ public class JTable extends JComponent implements TableModelListener, Scrollable
     private void accommodateDelta(int resizingColumnIndex, int delta) {
         int columnCount = getColumnCount();
         int from = resizingColumnIndex;
-        int to = columnCount;
+        int to;
 
         // Use the mode to determine how to absorb the changes.
         switch(autoResizeMode) {
@@ -3237,8 +3237,6 @@ public class JTable extends JComponent implements TableModelListener, Scrollable
         }
 
         adjustSizes(totalWidth + delta, r, false);
-
-        return;
     }
 
     private interface Resizable2 {
@@ -3492,7 +3490,7 @@ public class JTable extends JComponent implements TableModelListener, Scrollable
      * @see     #editingRow
      */
     public boolean isEditing() {
-        return (cellEditor == null)? false : true;
+        return cellEditor != null;
     }
 
     /**
@@ -3642,7 +3640,7 @@ public class JTable extends JComponent implements TableModelListener, Scrollable
             firePropertyChange("model", old, dataModel);
 
             if (getAutoCreateRowSorter()) {
-                setRowSorter(new TableRowSorter(dataModel));
+                setRowSorter(new TableRowSorter<TableModel>(dataModel));
             }
         }
     }
@@ -5160,7 +5158,7 @@ public class JTable extends JComponent implements TableModelListener, Scrollable
     public boolean getScrollableTracksViewportHeight() {
         return getFillsViewportHeight()
                && getParent() instanceof JViewport
-               && (((JViewport)getParent()).getHeight() > getPreferredSize().height);
+               && (getParent().getHeight() > getPreferredSize().height);
     }
 
     /**
@@ -5214,7 +5212,7 @@ public class JTable extends JComponent implements TableModelListener, Scrollable
         // by setting the client property JTable.autoStartsEdit to Boolean.FALSE.
         if (!retValue && condition == WHEN_ANCESTOR_OF_FOCUSED_COMPONENT &&
             isFocusOwner() &&
-            !Boolean.FALSE.equals((Boolean)getClientProperty("JTable.autoStartsEdit"))) {
+            !Boolean.FALSE.equals(getClientProperty("JTable.autoStartsEdit"))) {
             // We do not have a binding for the event.
             Component editorComponent = getEditorComponent();
             if (editorComponent == null) {
@@ -5436,7 +5434,7 @@ public class JTable extends JComponent implements TableModelListener, Scrollable
             this.value = null;
             ((JComponent)getComponent()).setBorder(new LineBorder(Color.black));
             try {
-                Class type = table.getColumnClass(column);
+                Class<?> type = table.getColumnClass(column);
                 // Since our obligation is to produce a value which is
                 // assignable for the required type it is OK to use the
                 // String constructor for columns which are declared
@@ -6627,10 +6625,10 @@ public class JTable extends JComponent implements TableModelListener, Scrollable
             } else if (name.compareTo("tableCellEditor") == 0) {
 
                 if (oldValue != null && oldValue instanceof TableCellEditor) {
-                    ((TableCellEditor) oldValue).removeCellEditorListener((CellEditorListener) this);
+                    ((TableCellEditor) oldValue).removeCellEditorListener(this);
                 }
                 if (newValue != null && newValue instanceof TableCellEditor) {
-                    ((TableCellEditor) newValue).addCellEditorListener((CellEditorListener) this);
+                    ((TableCellEditor) newValue).addCellEditorListener(this);
                 }
             }
         }
@@ -7045,7 +7043,7 @@ public class JTable extends JComponent implements TableModelListener, Scrollable
          */
         public Accessible getAccessibleSelection(int i) {
             if (i < 0 || i > getAccessibleSelectionCount()) {
-                return (Accessible) null;
+                return null;
             }
 
             int rowsSel = JTable.this.getSelectedRowCount();
@@ -7158,7 +7156,7 @@ public class JTable extends JComponent implements TableModelListener, Scrollable
                     return getAccessibleChild((r * ttlCols) + c);
                 }
             }
-            return (Accessible) null;
+            return null;
         }
 
         /**
@@ -7906,7 +7904,7 @@ public class JTable extends JComponent implements TableModelListener, Scrollable
                                   JTable.this, getValueAt(row, column),
                                   false, false, row, column);
                 if (component instanceof Accessible) {
-                    return ((Accessible) component).getAccessibleContext();
+                    return component.getAccessibleContext();
                 } else {
                     return null;
                 }

src/share/classes/javax/swing/JTextField.java

@@ -475,8 +475,7 @@ public class JTextField extends JTextComponent implements SwingConstants {
      * @since 1.4
      */
     public synchronized ActionListener[] getActionListeners() {
-        return (ActionListener[])listenerList.getListeners(
-                ActionListener.class);
+        return listenerList.getListeners(ActionListener.class);
     }
 
     /**

src/share/classes/javax/swing/JTree.java

@@ -187,7 +187,7 @@ public class JTree extends JComponent implements Scrollable, Accessible
      * information must be determined by visiting all the parent
      * paths and seeing if they are visible.
      */
-    transient private Hashtable           expandedState;
+    transient private Hashtable<TreePath, Boolean> expandedState;
 
 
     /**
@@ -281,7 +281,7 @@ public class JTree extends JComponent implements Scrollable, Accessible
      * Used when <code>setExpandedState</code> is invoked,
      * will be a <code>Stack</code> of <code>Stack</code>s.
      */
-    transient private Stack           expandedStack;
+    transient private Stack<Stack<TreePath>> expandedStack;
 
     /**
      * Lead selection path, may not be <code>null</code>.
@@ -652,9 +652,9 @@ public class JTree extends JComponent implements Scrollable, Accessible
     @ConstructorProperties({"model"})
     public JTree(TreeModel newModel) {
         super();
-        expandedStack = new Stack();
+        expandedStack = new Stack<Stack<TreePath>>();
         toggleClickCount = 2;
-        expandedState = new Hashtable();
+        expandedState = new Hashtable<TreePath, Boolean>();
         setLayout(null);
         rowHeight = 16;
         visibleRowCount = 20;
@@ -691,7 +691,7 @@ public class JTree extends JComponent implements Scrollable, Accessible
      *  description: The UI object that implements the Component's LookAndFeel.
      */
     public void setUI(TreeUI ui) {
-        if ((TreeUI)this.ui != ui) {
+        if (this.ui != ui) {
             settingUI = true;
             uiTreeExpansionListener = null;
             try {
@@ -1298,8 +1298,8 @@ public class JTree extends JComponent implements Scrollable, Accessible
         Object root = (model == null) ? null : model.getRoot();
         TreePath rootPath = (root == null) ? null : new TreePath(root);
 
-        TreePath child = null;
-        TreePath parent = null;
+        TreePath child;
+        TreePath parent;
         boolean outside = row == -1
                           || p.y < bounds.y
                           || p.y >= bounds.y + bounds.height;
@@ -1940,14 +1940,14 @@ public class JTree extends JComponent implements Scrollable, Accessible
         if(!isExpanded(parent))
             return null;
 
-        Enumeration       toggledPaths = expandedState.keys();
-        Vector            elements = null;
+        Enumeration<TreePath> toggledPaths = expandedState.keys();
+        Vector<TreePath> elements = null;
         TreePath          path;
         Object            value;
 
         if(toggledPaths != null) {
             while(toggledPaths.hasMoreElements()) {
-                path = (TreePath)toggledPaths.nextElement();
+                path = toggledPaths.nextElement();
                 value = expandedState.get(path);
                 // Add the path if it is expanded, a descendant of parent,
                 // and it is visible (all parents expanded). This is rather
@@ -1956,7 +1956,7 @@ public class JTree extends JComponent implements Scrollable, Accessible
                    ((Boolean)value).booleanValue() &&
                    parent.isDescendant(path) && isVisible(path)) {
                     if (elements == null) {
-                        elements = new Vector();
+                        elements = new Vector<TreePath>();
                     }
                     elements.addElement(path);
                 }
@@ -1990,9 +1990,9 @@ public class JTree extends JComponent implements Scrollable, Accessible
             return false;
 
         // Is this node expanded?
-        Object          value = expandedState.get(path);
+        Boolean value = expandedState.get(path);
 
-        if(value == null || !((Boolean)value).booleanValue())
+        if(value == null || !value.booleanValue())
             return false;
 
         // It is, make sure its parent is also expanded.
@@ -2018,7 +2018,7 @@ public class JTree extends JComponent implements Scrollable, Accessible
             TreePath         path = tree.getPathForRow(this, row);
 
             if(path != null) {
-                Boolean value = (Boolean)expandedState.get(path);
+                Boolean value = expandedState.get(path);
 
                 return (value != null && value.booleanValue());
             }
@@ -2704,8 +2704,7 @@ public class JTree extends JComponent implements Scrollable, Accessible
      * @since 1.4
      */
     public TreeExpansionListener[] getTreeExpansionListeners() {
-        return (TreeExpansionListener[])listenerList.getListeners(
-                TreeExpansionListener.class);
+        return listenerList.getListeners(TreeExpansionListener.class);
     }
 
     /**
@@ -2737,8 +2736,7 @@ public class JTree extends JComponent implements Scrollable, Accessible
      * @since 1.4
      */
     public TreeWillExpandListener[] getTreeWillExpandListeners() {
-        return (TreeWillExpandListener[])listenerList.getListeners(
-                TreeWillExpandListener.class);
+        return listenerList.getListeners(TreeWillExpandListener.class);
     }
 
     /**
@@ -2895,8 +2893,7 @@ public class JTree extends JComponent implements Scrollable, Accessible
      * @since 1.4
      */
     public TreeSelectionListener[] getTreeSelectionListeners() {
-        return (TreeSelectionListener[])listenerList.getListeners(
-                TreeSelectionListener.class);
+        return listenerList.getListeners(TreeSelectionListener.class);
     }
 
     /**
@@ -3030,7 +3027,7 @@ public class JTree extends JComponent implements Scrollable, Accessible
 
     // Serialization support.
     private void writeObject(ObjectOutputStream s) throws IOException {
-        Vector      values = new Vector();
+        Vector<Object> values = new Vector<Object>();
 
         s.defaultWriteObject();
         // Save the cellRenderer, if its Serializable.
@@ -3077,9 +3074,9 @@ public class JTree extends JComponent implements Scrollable, Accessible
 
         // Create an instance of expanded state.
 
-        expandedState = new Hashtable();
+        expandedState = new Hashtable<TreePath, Boolean>();
 
-        expandedStack = new Stack();
+        expandedStack = new Stack<Stack<TreePath>>();
 
         Vector          values = (Vector)s.readObject();
         int             indexCounter = 0;
@@ -3132,13 +3129,13 @@ public class JTree extends JComponent implements Scrollable, Accessible
         TreeModel       model = getModel();
 
         if(model != null) {
-            Enumeration        paths = expandedState.keys();
+            Enumeration<TreePath> paths = expandedState.keys();
 
             if(paths != null) {
-                Vector         state = new Vector();
+                Vector<Object> state = new Vector<Object>();
 
                 while(paths.hasMoreElements()) {
-                    TreePath   path = (TreePath)paths.nextElement();
+                    TreePath path = paths.nextElement();
                     Object     archivePath;
 
                     try {
@@ -3502,7 +3499,7 @@ public class JTree extends JComponent implements Scrollable, Accessible
      */
     public boolean getScrollableTracksViewportWidth() {
         if (getParent() instanceof JViewport) {
-            return (((JViewport)getParent()).getWidth() > getPreferredSize().width);
+            return getParent().getWidth() > getPreferredSize().width;
         }
         return false;
     }
@@ -3518,7 +3515,7 @@ public class JTree extends JComponent implements Scrollable, Accessible
      */
     public boolean getScrollableTracksViewportHeight() {
         if (getParent() instanceof JViewport) {
-            return (((JViewport)getParent()).getHeight() > getPreferredSize().height);
+            return getParent().getHeight() > getPreferredSize().height;
         }
         return false;
     }
@@ -3535,14 +3532,14 @@ public class JTree extends JComponent implements Scrollable, Accessible
     protected void setExpandedState(TreePath path, boolean state) {
         if(path != null) {
             // Make sure all parents of path are expanded.
-            Stack         stack;
-            TreePath      parentPath = path.getParentPath();
+            Stack<TreePath> stack;
+            TreePath parentPath = path.getParentPath();
 
             if (expandedStack.size() == 0) {
-                stack = new Stack();
+                stack = new Stack<TreePath>();
             }
             else {
-                stack = (Stack)expandedStack.pop();
+                stack = expandedStack.pop();
             }
 
             try {
@@ -3556,7 +3553,7 @@ public class JTree extends JComponent implements Scrollable, Accessible
                     }
                 }
                 for(int counter = stack.size() - 1; counter >= 0; counter--) {
-                    parentPath = (TreePath)stack.pop();
+                    parentPath = stack.pop();
                     if(!isExpanded(parentPath)) {
                         try {
                             fireTreeWillExpand(parentPath);
@@ -3636,12 +3633,11 @@ public class JTree extends JComponent implements Scrollable, Accessible
         if(parent == null)
             return null;
 
-        Vector            descendants = new Vector();
-        Enumeration       nodes = expandedState.keys();
-        TreePath          path;
+        Vector<TreePath> descendants = new Vector<TreePath>();
+        Enumeration<TreePath> nodes = expandedState.keys();
 
         while(nodes.hasMoreElements()) {
-            path = (TreePath)nodes.nextElement();
+            TreePath path = nodes.nextElement();
             if(parent.isDescendant(path))
                 descendants.addElement(path);
         }
@@ -3664,8 +3660,8 @@ public class JTree extends JComponent implements Scrollable, Accessible
     {
          if(toRemove != null) {
              while(toRemove.hasMoreElements()) {
-                 Enumeration         descendants = getDescendantToggledPaths
-                                         ((TreePath)toRemove.nextElement());
+                 Enumeration descendants = getDescendantToggledPaths
+                         (toRemove.nextElement());
 
                  if(descendants != null) {
                      while(descendants.hasMoreElements()) {
@@ -4250,7 +4246,7 @@ public class JTree extends JComponent implements Scrollable, Accessible
         private AccessibleContext getCurrentAccessibleContext() {
             Component c = getCurrentComponent();
             if (c instanceof Accessible) {
-                return (((Accessible) c).getAccessibleContext());
+                return c.getAccessibleContext();
             } else {
                 return null;
             }
@@ -4573,7 +4569,7 @@ public class JTree extends JComponent implements Scrollable, Accessible
             private AccessibleContext getCurrentAccessibleContext() {
                 Component c = getCurrentComponent();
                 if (c instanceof Accessible) {
-                    return (((Accessible) c).getAccessibleContext());
+                    return c.getAccessibleContext();
                 } else {
                     return null;
                 }
@@ -5117,12 +5113,8 @@ public class JTree extends JComponent implements Scrollable, Accessible
             public boolean isVisible() {
                 Rectangle pathBounds = tree.getPathBounds(path);
                 Rectangle parentBounds = tree.getVisibleRect();
-                if (pathBounds != null && parentBounds != null &&
-                    parentBounds.intersects(pathBounds)) {
-                    return true;
-                } else {
-                    return false;
-                }
+                return pathBounds != null && parentBounds != null &&
+                        parentBounds.intersects(pathBounds);
             }
 
             public void setVisible(boolean b) {

src/share/classes/javax/swing/JViewport.java

@@ -389,7 +389,7 @@ public class JViewport extends JComponent implements Accessible
                 // could be bigger than invalid size.
                 validateView();
             }
-            int     dx = 0, dy = 0;
+            int dx, dy;
 
             dx = positionAdjustment(getWidth(), contentRect.width, contentRect.x);
             dy = positionAdjustment(getHeight(), contentRect.height, contentRect.y);
@@ -682,10 +682,7 @@ public class JViewport extends JComponent implements Accessible
      * @see JComponent#isPaintingOrigin()
      */
     boolean isPaintingOrigin() {
-        if (scrollMode == BACKINGSTORE_SCROLL_MODE) {
-            return true;
-        }
-        return false;
+        return scrollMode == BACKINGSTORE_SCROLL_MODE;
     }
 
 
@@ -903,11 +900,7 @@ public class JViewport extends JComponent implements Accessible
       */
     public void setScrollMode(int mode) {
         scrollMode = mode;
-        if (mode == BACKINGSTORE_SCROLL_MODE) {
-            backingStore = true;
-        } else {
-            backingStore = false;
-        }
+        backingStore = mode == BACKINGSTORE_SCROLL_MODE;
     }
 
     /**
@@ -958,10 +951,10 @@ public class JViewport extends JComponent implements Accessible
         }
     }
 
-    private final boolean isBlitting() {
+    private boolean isBlitting() {
         Component view = getView();
         return (scrollMode == BLIT_SCROLL_MODE) &&
-               (view instanceof JComponent) && ((JComponent)view).isOpaque();
+               (view instanceof JComponent) && view.isOpaque();
     }
 
 
@@ -1380,8 +1373,7 @@ public class JViewport extends JComponent implements Accessible
      * @since 1.4
      */
     public ChangeListener[] getChangeListeners() {
-        return (ChangeListener[])listenerList.getListeners(
-                ChangeListener.class);
+        return listenerList.getListeners(ChangeListener.class);
     }
 
     /**

src/share/classes/javax/swing/JWindow.java

@@ -185,7 +185,7 @@ public class JWindow extends Window implements Accessible,
         super(owner == null? SwingUtilities.getSharedOwnerFrame() : owner);
         if (owner == null) {
             WindowListener ownerShutdownListener =
-                (WindowListener)SwingUtilities.getSharedOwnerFrameShutdownListener();
+                    SwingUtilities.getSharedOwnerFrameShutdownListener();
             addWindowListener(ownerShutdownListener);
         }
         windowInit();
@@ -212,7 +212,7 @@ public class JWindow extends Window implements Accessible,
               owner);
         if (owner == null) {
             WindowListener ownerShutdownListener =
-                (WindowListener)SwingUtilities.getSharedOwnerFrameShutdownListener();
+                    SwingUtilities.getSharedOwnerFrameShutdownListener();
             addWindowListener(ownerShutdownListener);
         }
         windowInit();
@@ -250,7 +250,7 @@ public class JWindow extends Window implements Accessible,
               owner, gc);
         if (owner == null) {
             WindowListener ownerShutdownListener =
-                (WindowListener)SwingUtilities.getSharedOwnerFrameShutdownListener();
+                    SwingUtilities.getSharedOwnerFrameShutdownListener();
             addWindowListener(ownerShutdownListener);
         }
         windowInit();

src/share/classes/javax/swing/KeyboardManager.java

@@ -68,13 +68,13 @@ class KeyboardManager {
     /**
       * maps top-level containers to a sub-hashtable full of keystrokes
       */
-    Hashtable containerMap = new Hashtable();
+    Hashtable<Container, Hashtable> containerMap = new Hashtable<Container, Hashtable>();
 
     /**
       * Maps component/keystroke pairs to a topLevel container
       * This is mainly used for fast unregister operations
       */
-    Hashtable componentKeyStrokeMap = new Hashtable();
+    Hashtable<ComponentKeyStrokePair, Container> componentKeyStrokeMap = new Hashtable<ComponentKeyStrokePair, Container>();
 
     public static KeyboardManager getCurrentManager() {
         return currentManager;
@@ -95,7 +95,7 @@ class KeyboardManager {
          if (topContainer == null) {
              return;
          }
-         Hashtable keyMap = (Hashtable)containerMap.get(topContainer);
+         Hashtable keyMap = containerMap.get(topContainer);
 
          if (keyMap ==  null) {  // lazy evaluate one
              keyMap = registerNewTopContainer(topContainer);
@@ -114,8 +114,8 @@ class KeyboardManager {
            // Then add the old compoennt and the new compoent to the vector
            // then insert the vector in the table
            if (tmp != c) {  // this means this is already registered for this component, no need to dup
-               Vector v = new Vector();
-               v.addElement(tmp);
+               Vector<JComponent> v = new Vector<JComponent>();
+               v.addElement((JComponent) tmp);
                v.addElement(c);
                keyMap.put(k, v);
            }
@@ -154,13 +154,13 @@ class KeyboardManager {
 
          ComponentKeyStrokePair ckp = new ComponentKeyStrokePair(c,ks);
 
-         Object topContainer = componentKeyStrokeMap.get(ckp);
+         Container topContainer = componentKeyStrokeMap.get(ckp);
 
          if (topContainer == null) {  // never heard of this pairing, so bail
              return;
          }
 
-         Hashtable keyMap = (Hashtable)containerMap.get(topContainer);
+         Hashtable keyMap = containerMap.get(topContainer);
          if  (keyMap == null) { // this should never happen, but I'm being safe
              Thread.dumpStack();
              return;
@@ -221,7 +221,7 @@ class KeyboardManager {
                ks=KeyStroke.getKeyStroke(e.getKeyCode(), e.getModifiers(), !pressed);
          }
 
-         Hashtable keyMap = (Hashtable)containerMap.get(topAncestor);
+         Hashtable keyMap = containerMap.get(topAncestor);
          if (keyMap != null) { // this container isn't registered, so bail
 
              Object tmp = keyMap.get(ks);
@@ -293,7 +293,7 @@ class KeyboardManager {
         if (top == null) {
             return;
         }
-        Hashtable keyMap = (Hashtable)containerMap.get(top);
+        Hashtable keyMap = containerMap.get(top);
 
         if (keyMap ==  null) {  // lazy evaluate one
              keyMap = registerNewTopContainer(top);
@@ -314,11 +314,11 @@ class KeyboardManager {
 
 
     public void unregisterMenuBar(JMenuBar mb) {
-        Object topContainer = getTopAncestor(mb);
+        Container topContainer = getTopAncestor(mb);
         if (topContainer == null) {
             return;
         }
-        Hashtable keyMap = (Hashtable)containerMap.get(topContainer);
+        Hashtable keyMap = containerMap.get(topContainer);
         if (keyMap!=null) {
             Vector v = (Vector)keyMap.get(JMenuBar.class);
             if (v != null) {

src/share/classes/javax/swing/LayoutComparator.java

@@ -39,7 +39,7 @@ import java.awt.Window;
  *
  * @author David Mendenhall
  */
-final class LayoutComparator implements Comparator, java.io.Serializable {
+final class LayoutComparator implements Comparator<Component>, java.io.Serializable {
 
     private static final int ROW_TOLERANCE = 10;
 
@@ -51,10 +51,7 @@ final class LayoutComparator implements Comparator, java.io.Serializable {
         leftToRight = orientation.isLeftToRight();
     }
 
-    public int compare(Object o1, Object o2) {
-        Component a = (Component)o1;
-        Component b = (Component)o2;
-
+    public int compare(Component a, Component b) {
         if (a == b) {
             return 0;
         }
@@ -65,9 +62,9 @@ final class LayoutComparator implements Comparator, java.io.Serializable {
         // each Component and then search from the Window down until the
         // hierarchy branches.
         if (a.getParent() != b.getParent()) {
-            LinkedList aAncestory, bAncestory;
+            LinkedList<Component> aAncestory = new LinkedList<Component>();
 
-            for(aAncestory = new LinkedList(); a != null; a = a.getParent()) {
+            for(; a != null; a = a.getParent()) {
                 aAncestory.add(a);
                 if (a instanceof Window) {
                     break;
@@ -78,7 +75,9 @@ final class LayoutComparator implements Comparator, java.io.Serializable {
                 throw new ClassCastException();
             }
 
-            for(bAncestory = new LinkedList(); b != null; b = b.getParent()) {
+            LinkedList<Component> bAncestory = new LinkedList<Component>();
+
+            for(; b != null; b = b.getParent()) {
                 bAncestory.add(b);
                 if (b instanceof Window) {
                     break;
@@ -89,18 +88,18 @@ final class LayoutComparator implements Comparator, java.io.Serializable {
                 throw new ClassCastException();
             }
 
-            for (ListIterator
+            for (ListIterator<Component>
                      aIter = aAncestory.listIterator(aAncestory.size()),
                      bIter = bAncestory.listIterator(bAncestory.size()); ;) {
                 if (aIter.hasPrevious()) {
-                    a = (Component)aIter.previous();
+                    a = aIter.previous();
                 } else {
                     // a is an ancestor of b
                     return -1;
                 }
 
                 if (bIter.hasPrevious()) {
-                    b = (Component)bIter.previous();
+                    b = bIter.previous();
                 } else {
                     // b is an ancestor of a
                     return 1;

src/share/classes/javax/swing/LayoutFocusTraversalPolicy.java

@@ -65,7 +65,7 @@ public class LayoutFocusTraversalPolicy extends SortingFocusTraversalPolicy
      * Constructs a LayoutFocusTraversalPolicy with the passed in
      * <code>Comparator</code>.
      */
-    LayoutFocusTraversalPolicy(Comparator c) {
+    LayoutFocusTraversalPolicy(Comparator<? super Component> c) {
         super(c);
     }
 

src/share/classes/javax/swing/LegacyGlueFocusTraversalPolicy.java

@@ -48,8 +48,8 @@ final class LegacyGlueFocusTraversalPolicy extends FocusTraversalPolicy
     private transient FocusTraversalPolicy delegatePolicy;
     private transient DefaultFocusManager delegateManager;
 
-    private HashMap forwardMap = new HashMap(),
-        backwardMap = new HashMap();
+    private HashMap<Component, Component> forwardMap = new HashMap<Component, Component>(),
+        backwardMap = new HashMap<Component, Component>();
 
     LegacyGlueFocusTraversalPolicy(FocusTraversalPolicy delegatePolicy) {
         this.delegatePolicy = delegatePolicy;
@@ -70,11 +70,11 @@ final class LegacyGlueFocusTraversalPolicy extends FocusTraversalPolicy
     public Component getComponentAfter(Container focusCycleRoot,
                                        Component aComponent) {
         Component hardCoded = aComponent, prevHardCoded;
-        HashSet sanity = new HashSet();
+        HashSet<Component> sanity = new HashSet<Component>();
 
         do {
             prevHardCoded = hardCoded;
-            hardCoded = (Component)forwardMap.get(hardCoded);
+            hardCoded = forwardMap.get(hardCoded);
             if (hardCoded == null) {
                 if (delegatePolicy != null &&
                     prevHardCoded.isFocusCycleRoot(focusCycleRoot)) {
@@ -99,11 +99,11 @@ final class LegacyGlueFocusTraversalPolicy extends FocusTraversalPolicy
     public Component getComponentBefore(Container focusCycleRoot,
                                         Component aComponent) {
         Component hardCoded = aComponent, prevHardCoded;
-        HashSet sanity = new HashSet();
+        HashSet<Component> sanity = new HashSet<Component>();
 
         do {
             prevHardCoded = hardCoded;
-            hardCoded = (Component)backwardMap.get(hardCoded);
+            hardCoded = backwardMap.get(hardCoded);
             if (hardCoded == null) {
                 if (delegatePolicy != null &&
                     prevHardCoded.isFocusCycleRoot(focusCycleRoot)) {

src/share/classes/javax/swing/MenuSelectionManager.java

@@ -37,7 +37,7 @@ import sun.awt.AppContext;
  * @author Arnaud Weber
  */
 public class MenuSelectionManager {
-    private Vector selection = new Vector();
+    private Vector<MenuElement> selection = new Vector<MenuElement>();
 
     /* diagnostic aids -- should be false for production builds. */
     private static final boolean TRACE =   false; // trace creates and disposes
@@ -100,14 +100,14 @@ public class MenuSelectionManager {
         }
 
         for(i=0,c=path.length;i<c;i++) {
-            if(i < currentSelectionCount && (MenuElement)selection.elementAt(i) == path[i])
+            if (i < currentSelectionCount && selection.elementAt(i) == path[i])
                 firstDifference++;
             else
                 break;
         }
 
         for(i=currentSelectionCount - 1 ; i >= firstDifference ; i--) {
-            MenuElement me = (MenuElement)selection.elementAt(i);
+            MenuElement me = selection.elementAt(i);
             selection.removeElementAt(i);
             me.menuSelectionChanged(false);
         }
@@ -131,7 +131,7 @@ public class MenuSelectionManager {
         MenuElement res[] = new MenuElement[selection.size()];
         int i,c;
         for(i=0,c=selection.size();i<c;i++)
-            res[i] = (MenuElement) selection.elementAt(i);
+            res[i] = selection.elementAt(i);
         return res;
     }
 
@@ -172,8 +172,7 @@ public class MenuSelectionManager {
      * @since 1.4
      */
     public ChangeListener[] getChangeListeners() {
-        return (ChangeListener[])listenerList.getListeners(
-                ChangeListener.class);
+        return listenerList.getListeners(ChangeListener.class);
     }
 
     /**
@@ -258,8 +257,8 @@ public class MenuSelectionManager {
                 if(!mc.isShowing())
                     continue;
                 if(mc instanceof JComponent) {
-                    cWidth  = ((JComponent)mc).getWidth();
-                    cHeight = ((JComponent)mc).getHeight();
+                    cWidth  = mc.getWidth();
+                    cHeight = mc.getHeight();
                 } else {
                     r2 = mc.getBounds();
                     cWidth  = r2.width;
@@ -338,7 +337,7 @@ public class MenuSelectionManager {
         for(i=0,j=path.length; i<j ;i++){
             for (int k=0; k<=i; k++)
                 System.out.print("  ");
-            MenuElement me = (MenuElement) path[i];
+            MenuElement me = path[i];
             if(me instanceof JMenuItem) {
                 System.out.println(((JMenuItem)me).getText() + ", ");
             } else if (me instanceof JMenuBar) {
@@ -399,8 +398,8 @@ public class MenuSelectionManager {
                 if(!mc.isShowing())
                     continue;
                 if(mc instanceof JComponent) {
-                    cWidth  = ((JComponent)mc).getWidth();
-                    cHeight = ((JComponent)mc).getHeight();
+                    cWidth  = mc.getWidth();
+                    cHeight = mc.getHeight();
                 } else {
                     r2 = mc.getBounds();
                     cWidth  = r2.width;
@@ -429,7 +428,7 @@ public class MenuSelectionManager {
      */
     public void processKeyEvent(KeyEvent e) {
         MenuElement[] sel2 = new MenuElement[0];
-        sel2 = (MenuElement[])selection.toArray(sel2);
+        sel2 = selection.toArray(sel2);
         int selSize = sel2.length;
         MenuElement[] path;
 
@@ -474,7 +473,7 @@ public class MenuSelectionManager {
      */
     public boolean isComponentPartOfCurrentMenu(Component c) {
         if(selection.size() > 0) {
-            MenuElement me = (MenuElement)selection.elementAt(0);
+            MenuElement me = selection.elementAt(0);
             return isComponentPartOfCurrentMenu(me,c);
         } else
             return false;

src/share/classes/javax/swing/MultiUIDefaults.java

@@ -56,8 +56,7 @@ class MultiUIDefaults extends UIDefaults
             return value;
         }
 
-        for(int i = 0; i < tables.length; i++) {
-            UIDefaults table = tables[i];
+        for (UIDefaults table : tables) {
             value = (table != null) ? table.get(key) : null;
             if (value != null) {
                 return value;
@@ -75,8 +74,7 @@ class MultiUIDefaults extends UIDefaults
             return value;
         }
 
-        for(int i = 0; i < tables.length; i++) {
-            UIDefaults table = tables[i];
+        for (UIDefaults table : tables) {
             value = (table != null) ? table.get(key,l) : null;
             if (value != null) {
                 return value;
@@ -89,8 +87,7 @@ class MultiUIDefaults extends UIDefaults
 
     public int size() {
         int n = super.size();
-        for(int i = 0; i < tables.length; i++) {
-            UIDefaults table = tables[i];
+        for (UIDefaults table : tables) {
             n += (table != null) ? table.size() : 0;
         }
         return n;
@@ -102,7 +99,7 @@ class MultiUIDefaults extends UIDefaults
     }
 
 
-    public Enumeration keys()
+    public Enumeration<Object> keys()
     {
         Enumeration[] enums = new Enumeration[1 + tables.length];
         enums[0] = super.keys();
@@ -116,7 +113,7 @@ class MultiUIDefaults extends UIDefaults
     }
 
 
-    public Enumeration elements()
+    public Enumeration<Object> elements()
     {
         Enumeration[] enums = new Enumeration[1 + tables.length];
         enums[0] = super.elements();
@@ -137,7 +134,7 @@ class MultiUIDefaults extends UIDefaults
         }
     }
 
-    private static class MultiUIDefaultsEnumerator implements Enumeration
+    private static class MultiUIDefaultsEnumerator implements Enumeration<Object>
     {
         Enumeration[] enums;
         int n = 0;
@@ -175,8 +172,7 @@ class MultiUIDefaults extends UIDefaults
             return value;
         }
 
-        for(int i = 0; i < tables.length; i++) {
-            UIDefaults table = tables[i];
+        for (UIDefaults table : tables) {
             value = (table != null) ? table.remove(key) : null;
             if (value != null) {
                 return value;
@@ -189,8 +185,7 @@ class MultiUIDefaults extends UIDefaults
 
     public void clear() {
         super.clear();
-        for(int i = 0; i < tables.length; i++) {
-            UIDefaults table = tables[i];
+        for (UIDefaults table : tables) {
             if (table != null) {
                 table.clear();
             }

src/share/classes/javax/swing/PopupFactory.java

@@ -313,9 +313,9 @@ public class PopupFactory {
                 if(contents instanceof JPopupMenu) {
                     JPopupMenu jpm = (JPopupMenu) contents;
                     Component popComps[] = jpm.getComponents();
-                    for(int i=0;i<popComps.length;i++) {
-                        if(!(popComps[i] instanceof MenuElement) &&
-                           !(popComps[i] instanceof JSeparator)) {
+                    for (Component popComp : popComps) {
+                        if (!(popComp instanceof MenuElement) &&
+                                !(popComp instanceof JSeparator)) {
                             focusPopup = true;
                             break;
                         }
@@ -357,17 +357,16 @@ public class PopupFactory {
          */
         private static HeavyWeightPopup getRecycledHeavyWeightPopup(Window w) {
             synchronized (HeavyWeightPopup.class) {
-                List cache;
-                Map heavyPopupCache = getHeavyWeightPopupCache();
+                List<HeavyWeightPopup> cache;
+                Map<Window, List<HeavyWeightPopup>> heavyPopupCache = getHeavyWeightPopupCache();
 
                 if (heavyPopupCache.containsKey(w)) {
-                    cache = (List)heavyPopupCache.get(w);
+                    cache = heavyPopupCache.get(w);
                 } else {
                     return null;
                 }
-                int c;
-                if ((c = cache.size()) > 0) {
-                    HeavyWeightPopup r = (HeavyWeightPopup)cache.get(0);
+                if (cache.size() > 0) {
+                    HeavyWeightPopup r = cache.get(0);
                     cache.remove(0);
                     return r;
                 }
@@ -380,13 +379,13 @@ public class PopupFactory {
          * <code>Window</code> to a <code>List</code> of
          * <code>HeavyWeightPopup</code>s.
          */
-        private static Map getHeavyWeightPopupCache() {
+        private static Map<Window, List<HeavyWeightPopup>> getHeavyWeightPopupCache() {
             synchronized (HeavyWeightPopup.class) {
-                Map cache = (Map)SwingUtilities.appContextGet(
+                Map<Window, List<HeavyWeightPopup>> cache = (Map<Window, List<HeavyWeightPopup>>)SwingUtilities.appContextGet(
                                   heavyWeightPopupCacheKey);
 
                 if (cache == null) {
-                    cache = new HashMap(2);
+                    cache = new HashMap<Window, List<HeavyWeightPopup>>(2);
                     SwingUtilities.appContextPut(heavyWeightPopupCacheKey,
                                                  cache);
                 }
@@ -399,13 +398,13 @@ public class PopupFactory {
          */
         private static void recycleHeavyWeightPopup(HeavyWeightPopup popup) {
             synchronized (HeavyWeightPopup.class) {
-                List cache;
-                Object window = SwingUtilities.getWindowAncestor(
+                List<HeavyWeightPopup> cache;
+                Window window = SwingUtilities.getWindowAncestor(
                                      popup.getComponent());
-                Map heavyPopupCache = getHeavyWeightPopupCache();
+                Map<Window, List<HeavyWeightPopup>> heavyPopupCache = getHeavyWeightPopupCache();
 
                 if (window instanceof Popup.DefaultFrame ||
-                                      !((Window)window).isVisible()) {
+                                      !window.isVisible()) {
                     // If the Window isn't visible, we don't cache it as we
                     // likely won't ever get a windowClosed event to clean up.
                     // We also don't cache DefaultFrames as this indicates
@@ -414,28 +413,27 @@ public class PopupFactory {
                     popup._dispose();
                     return;
                 } else if (heavyPopupCache.containsKey(window)) {
-                    cache = (List)heavyPopupCache.get(window);
+                    cache = heavyPopupCache.get(window);
                 } else {
-                    cache = new ArrayList();
+                    cache = new ArrayList<HeavyWeightPopup>();
                     heavyPopupCache.put(window, cache);
                     // Clean up if the Window is closed
-                    final Window w = (Window)window;
+                    final Window w = window;
 
                     w.addWindowListener(new WindowAdapter() {
                         public void windowClosed(WindowEvent e) {
-                            List popups;
+                            List<HeavyWeightPopup> popups;
 
                             synchronized(HeavyWeightPopup.class) {
-                                Map heavyPopupCache2 =
+                                Map<Window, List<HeavyWeightPopup>> heavyPopupCache2 =
                                               getHeavyWeightPopupCache();
 
-                                popups = (List)heavyPopupCache2.remove(w);
+                                popups = heavyPopupCache2.remove(w);
                             }
                             if (popups != null) {
                                 for (int counter = popups.size() - 1;
                                                    counter >= 0; counter--) {
-                                    ((HeavyWeightPopup)popups.get(counter)).
-                                                       _dispose();
+                                    popups.get(counter)._dispose();
                                 }
                             }
                         }
@@ -534,10 +532,9 @@ public class PopupFactory {
                 Window[] ownedWindows = w.getOwnedWindows();
                 if(ownedWindows != null) {
                     Rectangle bnd = component.getBounds();
-                    for(int i=0; i<ownedWindows.length;i++) {
-                        Window owned = ownedWindows[i];
-                        if (owned.isVisible() &&
-                            bnd.intersects(owned.getBounds())) {
+                    for (Window window : ownedWindows) {
+                        if (window.isVisible() &&
+                                bnd.intersects(window.getBounds())) {
 
                             return true;
                         }
@@ -667,11 +664,11 @@ public class PopupFactory {
         /**
          * Returns the cache to use for heavy weight popups.
          */
-        private static List getLightWeightPopupCache() {
-            List cache = (List)SwingUtilities.appContextGet(
+        private static List<LightWeightPopup> getLightWeightPopupCache() {
+            List<LightWeightPopup> cache = (List<LightWeightPopup>)SwingUtilities.appContextGet(
                                    lightWeightPopupCacheKey);
             if (cache == null) {
-                cache = new ArrayList();
+                cache = new ArrayList<LightWeightPopup>();
                 SwingUtilities.appContextPut(lightWeightPopupCacheKey, cache);
             }
             return cache;
@@ -682,7 +679,7 @@ public class PopupFactory {
          */
         private static void recycleLightWeightPopup(LightWeightPopup popup) {
             synchronized (LightWeightPopup.class) {
-                List lightPopupCache = getLightWeightPopupCache();
+                List<LightWeightPopup> lightPopupCache = getLightWeightPopupCache();
                 if (lightPopupCache.size() < MAX_CACHE_SIZE) {
                     lightPopupCache.add(popup);
                 }
@@ -695,11 +692,9 @@ public class PopupFactory {
          */
         private static LightWeightPopup getRecycledLightWeightPopup() {
             synchronized (LightWeightPopup.class) {
-                List lightPopupCache = getLightWeightPopupCache();
-                int c;
-                if((c = lightPopupCache.size()) > 0) {
-                    LightWeightPopup r = (LightWeightPopup)lightPopupCache.
-                                               get(0);
+                List<LightWeightPopup> lightPopupCache = getLightWeightPopupCache();
+                if (lightPopupCache.size() > 0) {
+                    LightWeightPopup r = lightPopupCache.get(0);
                     lightPopupCache.remove(0);
                     return r;
                 }
@@ -755,8 +750,7 @@ public class PopupFactory {
 
             component.setLocation(p.x, p.y);
             if (parent instanceof JLayeredPane) {
-                ((JLayeredPane)parent).add(component,
-                                           JLayeredPane.POPUP_LAYER, 0);
+                parent.add(component, JLayeredPane.POPUP_LAYER, 0);
             } else {
                 parent.add(component);
             }
@@ -826,12 +820,12 @@ public class PopupFactory {
         /**
          * Returns the cache to use for medium weight popups.
          */
-        private static List getMediumWeightPopupCache() {
-            List cache = (List)SwingUtilities.appContextGet(
+        private static List<MediumWeightPopup> getMediumWeightPopupCache() {
+            List<MediumWeightPopup> cache = (List<MediumWeightPopup>)SwingUtilities.appContextGet(
                                     mediumWeightPopupCacheKey);
 
             if (cache == null) {
-                cache = new ArrayList();
+                cache = new ArrayList<MediumWeightPopup>();
                 SwingUtilities.appContextPut(mediumWeightPopupCacheKey, cache);
             }
             return cache;
@@ -842,7 +836,7 @@ public class PopupFactory {
          */
         private static void recycleMediumWeightPopup(MediumWeightPopup popup) {
             synchronized (MediumWeightPopup.class) {
-                List mediumPopupCache = getMediumWeightPopupCache();
+                List<MediumWeightPopup> mediumPopupCache = getMediumWeightPopupCache();
                 if (mediumPopupCache.size() < MAX_CACHE_SIZE) {
                     mediumPopupCache.add(popup);
                 }
@@ -855,12 +849,9 @@ public class PopupFactory {
          */
         private static MediumWeightPopup getRecycledMediumWeightPopup() {
             synchronized (MediumWeightPopup.class) {
-                java.util.List mediumPopupCache =
-                                     getMediumWeightPopupCache();
-                int c;
-                if ((c=mediumPopupCache.size()) > 0) {
-                    MediumWeightPopup r = (MediumWeightPopup)mediumPopupCache.
-                                                 get(0);
+                List<MediumWeightPopup> mediumPopupCache = getMediumWeightPopupCache();
+                if (mediumPopupCache.size() > 0) {
+                    MediumWeightPopup r = mediumPopupCache.get(0);
                     mediumPopupCache.remove(0);
                     return r;
                 }
@@ -904,7 +895,7 @@ public class PopupFactory {
                                                                        x, y);
                 component.setVisible(false);
                 component.setLocation(p.x, p.y);
-                ((JLayeredPane)parent).add(component, JLayeredPane.POPUP_LAYER,
+                parent.add(component, JLayeredPane.POPUP_LAYER,
                                            0);
             } else {
                 Point p = SwingUtilities.convertScreenLocationToParent(parent,

src/share/classes/javax/swing/RepaintManager.java

@@ -589,7 +589,7 @@ public class RepaintManager
      */
     private synchronized boolean extendDirtyRegion(
         Component c, int x, int y, int w, int h) {
-        Rectangle r = (Rectangle)dirtyComponents.get(c);
+        Rectangle r = dirtyComponents.get(c);
         if (r != null) {
             // A non-null r implies c is already marked as dirty,
             // and that the parent is valid. Therefore we can
@@ -609,9 +609,9 @@ public class RepaintManager
         if (delegate != null) {
             return delegate.getDirtyRegion(aComponent);
         }
-        Rectangle r = null;
+        Rectangle r;
         synchronized(this) {
-            r = (Rectangle)dirtyComponents.get(aComponent);
+            r = dirtyComponents.get(aComponent);
         }
         if(r == null)
             return new Rectangle(0,0,0,0);
@@ -745,8 +745,8 @@ public class RepaintManager
         Rectangle rect;
         int localBoundsX = 0;
         int localBoundsY = 0;
-        int localBoundsH = 0;
-        int localBoundsW = 0;
+        int localBoundsH;
+        int localBoundsW;
         Enumeration keys;
 
         roots = new ArrayList<Component>(count);
@@ -853,7 +853,7 @@ public class RepaintManager
 
         dx = rootDx = 0;
         dy = rootDy = 0;
-        tmp.setBounds((Rectangle) dirtyComponents.get(dirtyComponent));
+        tmp.setBounds(dirtyComponents.get(dirtyComponent));
 
         // System.out.println("Collect dirty component for bound " + tmp +
         //                                   "component bounds is " + cBounds);;
@@ -900,7 +900,7 @@ public class RepaintManager
             Rectangle r;
             tmp.setLocation(tmp.x + rootDx - dx,
                             tmp.y + rootDy - dy);
-            r = (Rectangle)dirtyComponents.get(rootDirtyComponent);
+            r = dirtyComponents.get(rootDirtyComponent);
             SwingUtilities.computeUnion(tmp.x,tmp.y,tmp.width,tmp.height,r);
         }
 
@@ -985,7 +985,7 @@ public class RepaintManager
 
     private Image _getOffscreenBuffer(Component c, int proposedWidth, int proposedHeight) {
         Dimension maxSize = getDoubleBufferMaximumSize();
-        DoubleBufferInfo doubleBuffer = null;
+        DoubleBufferInfo doubleBuffer;
         int width, height;
 
         if (standardDoubleBuffer == null) {
@@ -1054,7 +1054,7 @@ public class RepaintManager
         Iterator gcs = volatileMap.keySet().iterator();
         while (gcs.hasNext()) {
             GraphicsConfiguration gc = (GraphicsConfiguration)gcs.next();
-            VolatileImage image = (VolatileImage)volatileMap.get(gc);
+            VolatileImage image = volatileMap.get(gc);
             if (image.getWidth() > width || image.getHeight() > height) {
                 image.flush();
                 gcs.remove();
@@ -1222,7 +1222,7 @@ public class RepaintManager
      */
     void beginPaint() {
         boolean multiThreadedPaint = false;
-        int paintDepth = 0;
+        int paintDepth;
         Thread currentThread = Thread.currentThread();
         synchronized(this) {
             paintDepth = this.paintDepth;

src/share/classes/javax/swing/SortingFocusTraversalPolicy.java

@@ -79,7 +79,7 @@ public class SortingFocusTraversalPolicy
      * sorted list should be reused if possible.
      */
     transient private Container cachedRoot;
-    transient private List cachedCycle;
+    transient private List<Component> cachedCycle;
 
     // Delegate our fitness test to ContainerOrder so that we only have to
     // code the algorithm once.
@@ -111,7 +111,7 @@ public class SortingFocusTraversalPolicy
         return cycle;
     }
     private int getComponentIndex(List<Component> cycle, Component aComponent) {
-        int index = 0;
+        int index;
         try {
             index = Collections.binarySearch(cycle, aComponent, comparator);
         } catch (ClassCastException e) {
@@ -130,14 +130,14 @@ public class SortingFocusTraversalPolicy
         return index;
     }
 
-    private void enumerateAndSortCycle(Container focusCycleRoot, List cycle) {
+    private void enumerateAndSortCycle(Container focusCycleRoot, List<Component> cycle) {
         if (focusCycleRoot.isShowing()) {
             enumerateCycle(focusCycleRoot, cycle);
             Collections.sort(cycle, comparator);
         }
     }
 
-    private void enumerateCycle(Container container, List cycle) {
+    private void enumerateCycle(Container container, List<Component> cycle) {
         if (!(container.isVisible() && container.isDisplayable())) {
             return;
         }
@@ -145,8 +145,7 @@ public class SortingFocusTraversalPolicy
         cycle.add(container);
 
         Component[] components = container.getComponents();
-        for (int i = 0; i < components.length; i++) {
-            Component comp = components[i];
+        for (Component comp : components) {
             if (comp instanceof Container) {
                 Container cont = (Container)comp;
 
@@ -385,8 +384,8 @@ public class SortingFocusTraversalPolicy
             return getLastComponent(aContainer);
         }
 
-        Component comp = null;
-        Component tryComp = null;
+        Component comp;
+        Component tryComp;
 
         for (index--; index>=0; index--) {
             comp = cycle.get(index);
@@ -442,8 +441,7 @@ public class SortingFocusTraversalPolicy
         }
         if (log.isLoggable(Level.FINE)) log.fine("### Cycle is " + cycle);
 
-        for (int i = 0; i < cycle.size(); i++) {
-            Component comp = cycle.get(i);
+        for (Component comp : cycle) {
             if (accept(comp)) {
                 return comp;
             } else if (comp instanceof Container && comp != aContainer) {

src/share/classes/javax/swing/SpringLayout.java

@@ -185,11 +185,11 @@ import java.util.*;
  * @since       1.4
  */
 public class SpringLayout implements LayoutManager2 {
-    private Map componentConstraints = new HashMap();
+    private Map<Component, Constraints> componentConstraints = new HashMap<Component, Constraints>();
 
     private Spring cyclicReference = Spring.constant(Spring.UNSET);
-    private Set cyclicSprings;
-    private Set acyclicSprings;
+    private Set<Spring> cyclicSprings;
+    private Set<Spring> acyclicSprings;
 
 
     /**
@@ -415,8 +415,7 @@ public class SpringLayout implements LayoutManager2 {
             }
             if (!valid) {
                 String[] all = horizontal ? ALL_HORIZONTAL : ALL_VERTICAL;
-                for (int i = 0; i < all.length; i++) {
-                    String s = all[i];
+                for (String s : all) {
                     if (!history.contains(s)) {
                         setConstraint(s, null);
                     }
@@ -822,8 +821,7 @@ public class SpringLayout implements LayoutManager2 {
        /*pp*/ void reset() {
            Spring[] allSprings = {x, y, width, height, east, south,
                horizontalCenter, verticalCenter, baseline};
-           for (int i = 0; i < allSprings.length; i++) {
-               Spring s = allSprings[i];
+           for (Spring s : allSprings) {
                if (s != null) {
                    s.setValue(Spring.UNSET);
                }
@@ -881,8 +879,8 @@ public class SpringLayout implements LayoutManager2 {
     public SpringLayout() {}
 
     private void resetCyclicStatuses() {
-        cyclicSprings = new HashSet();
-        acyclicSprings = new HashSet();
+        cyclicSprings = new HashSet<Spring>();
+        acyclicSprings = new HashSet<Spring>();
     }
 
     private void setParent(Container p) {
@@ -1145,7 +1143,7 @@ public class SpringLayout implements LayoutManager2 {
      * @return      the constraints for the specified component
      */
     public Constraints getConstraints(Component c) {
-       Constraints result = (Constraints)componentConstraints.get(c);
+       Constraints result = componentConstraints.get(c);
        if (result == null) {
            if (c instanceof javax.swing.JComponent) {
                 Object cp = ((javax.swing.JComponent)c).getClientProperty(SpringLayout.class);

src/share/classes/javax/swing/SwingUtilities.java

@@ -108,11 +108,8 @@ public class SwingUtilities implements SwingConstants
      * Return true if <code>a</code> contains <code>b</code>
      */
     public static final boolean isRectangleContainingRectangle(Rectangle a,Rectangle b) {
-        if (b.x >= a.x && (b.x + b.width) <= (a.x + a.width) &&
-            b.y >= a.y && (b.y + b.height) <= (a.y + a.height)) {
-            return true;
-        }
-        return false;
+        return b.x >= a.x && (b.x + b.width) <= (a.x + a.width) &&
+                b.y >= a.y && (b.y + b.height) <= (a.y + a.height);
     }
 
     /**
@@ -272,8 +269,7 @@ public class SwingUtilities implements SwingConstants
         }
         if (parent instanceof Container) {
             Component components[] = ((Container)parent).getComponents();
-            for (int i = 0 ; i < components.length ; i++) {
-                Component comp = components[i];
+            for (Component comp : components) {
                 if (comp != null && comp.isVisible()) {
                     Point loc = comp.getLocation();
                     if (comp instanceof Container) {
@@ -376,8 +372,8 @@ public class SwingUtilities implements SwingConstants
 
             do {
                 if(c instanceof JComponent) {
-                    x = ((JComponent)c).getX();
-                    y = ((JComponent)c).getY();
+                    x = c.getX();
+                    y = c.getY();
                 } else if(c instanceof java.applet.Applet ||
                           c instanceof java.awt.Window) {
                     try {
@@ -415,8 +411,8 @@ public class SwingUtilities implements SwingConstants
 
         do {
             if(c instanceof JComponent) {
-                x = ((JComponent)c).getX();
-                y = ((JComponent)c).getY();
+                x = c.getX();
+                y = c.getY();
             }  else if(c instanceof java.applet.Applet ||
                        c instanceof java.awt.Window) {
                 try {
@@ -980,7 +976,7 @@ public class SwingUtilities implements SwingConstants
          */
         int gap;
 
-        View v = null;
+        View v;
         if (textIsEmpty) {
             textR.width = textR.height = 0;
             text = "";
@@ -1248,8 +1244,8 @@ public class SwingUtilities implements SwingConstants
             children = ((Container)c).getComponents();
         }
         if (children != null) {
-            for(int i = 0; i < children.length; i++) {
-                updateComponentTreeUI0(children[i]);
+            for (Component child : children) {
+                updateComponentTreeUI0(child);
             }
         }
     }
@@ -1702,7 +1698,7 @@ public class SwingUtilities implements SwingConstants
      */
     public static void replaceUIActionMap(JComponent component,
                                           ActionMap uiActionMap) {
-        ActionMap map = component.getActionMap((uiActionMap != null));;
+        ActionMap map = component.getActionMap((uiActionMap != null));
 
         while (map != null) {
             ActionMap parent = map.getParent();
@@ -1770,8 +1766,7 @@ public class SwingUtilities implements SwingConstants
          */
         void installListeners() {
             Window[] windows = getOwnedWindows();
-            for (int ind = 0; ind < windows.length; ind++){
-                Window window = windows[ind];
+            for (Window window : windows) {
                 if (window != null) {
                     window.removeWindowListener(this);
                     window.addWindowListener(this);
@@ -1786,8 +1781,7 @@ public class SwingUtilities implements SwingConstants
         public void windowClosed(WindowEvent e) {
             synchronized(getTreeLock()) {
                 Window[] windows = getOwnedWindows();
-                for (int ind = 0; ind < windows.length; ind++) {
-                    Window window = windows[ind];
+                for (Window window : windows) {
                     if (window != null) {
                         if (window.isDisplayable()) {
                             return;
@@ -1875,7 +1869,7 @@ public class SwingUtilities implements SwingConstants
     }
 
 
-    static Class loadSystemClass(String className) throws ClassNotFoundException {
+    static Class<?> loadSystemClass(String className) throws ClassNotFoundException {
         return Class.forName(className, true, Thread.currentThread().
                              getContextClassLoader());
     }

src/share/classes/javax/swing/Timer.java

@@ -270,8 +270,7 @@ public class Timer implements Serializable
      * @since 1.4
      */
     public ActionListener[] getActionListeners() {
-        return (ActionListener[])listenerList.getListeners(
-                ActionListener.class);
+        return listenerList.getListeners(ActionListener.class);
     }
 
 

src/share/classes/javax/swing/TimerQueue.java

@@ -97,7 +97,7 @@ class TimerQueue implements Runnable
                 final ThreadGroup threadGroup =
                     AppContext.getAppContext().getThreadGroup();
                 java.security.AccessController.doPrivileged(
-                    new java.security.PrivilegedAction() {
+                    new java.security.PrivilegedAction<Object>() {
                     public Object run() {
                         Thread timerThread = new Thread(threadGroup, TimerQueue.this,
                                                         "TimerQueue");
@@ -226,7 +226,7 @@ class TimerQueue implements Runnable
     /**
      * Returns nanosecond time offset by origin
      */
-    private final static long now() {
+    private static long now() {
         return System.nanoTime() - NANO_ORIGIN;
     }
 

src/share/classes/javax/swing/UIDefaults.java

@@ -72,11 +72,11 @@ import sun.util.CoreResourceBundleControl;
  */
 public class UIDefaults extends Hashtable<Object,Object>
 {
-    private static final Object PENDING = new String("Pending");
+    private static final Object PENDING = "Pending";
 
     private SwingPropertyChangeSupport changeSupport;
 
-    private Vector resourceBundles;
+    private Vector<String> resourceBundles;
 
     private Locale defaultLocale = Locale.getDefault();
 
@@ -86,7 +86,7 @@ public class UIDefaults extends Hashtable<Object,Object>
      * Access to this should be done while holding a lock on the
      * UIDefaults, eg synchronized(this).
      */
-    private Map resourceCache;
+    private Map<Locale, Map<String, Object>> resourceCache;
 
     /**
      * Creates an empty defaults table.
@@ -106,7 +106,7 @@ public class UIDefaults extends Hashtable<Object,Object>
      */
     public UIDefaults(int initialCapacity, float loadFactor) {
         super(initialCapacity, loadFactor);
-        resourceCache = new HashMap();
+        resourceCache = new HashMap<Locale, Map<String, Object>>();
     }
 
 
@@ -281,24 +281,24 @@ public class UIDefaults extends Hashtable<Object,Object>
             if( defaultLocale == null )
                 return null;
             else
-                l = (Locale)defaultLocale;
+                l = defaultLocale;
         }
 
         synchronized(this) {
-            return getResourceCache(l).get((String)key);
+            return getResourceCache(l).get(key);
         }
     }
 
     /**
      * Returns a Map of the known resources for the given locale.
      */
-    private Map getResourceCache(Locale l) {
-        Map values = (Map)resourceCache.get(l);
+    private Map<String, Object> getResourceCache(Locale l) {
+        Map<String, Object> values = resourceCache.get(l);
 
         if (values == null) {
-            values = new HashMap();
+            values = new HashMap<String, Object>();
             for (int i=resourceBundles.size()-1; i >= 0; i--) {
-                String bundleName = (String)resourceBundles.get(i);
+                String bundleName = resourceBundles.get(i);
                 try {
                     Control c = CoreResourceBundleControl.getRBControlInstance(bundleName);
                     ResourceBundle b;
@@ -751,7 +751,7 @@ public class UIDefaults extends Hashtable<Object,Object>
         Object cl = get("ClassLoader");
         ClassLoader uiClassLoader =
             (cl != null) ? (ClassLoader)cl : target.getClass().getClassLoader();
-        Class uiClass = getUIClass(target.getUIClassID(), uiClassLoader);
+        Class<? extends ComponentUI> uiClass = getUIClass(target.getUIClassID(), uiClassLoader);
         Object uiObject = null;
 
         if (uiClass == null) {
@@ -761,8 +761,7 @@ public class UIDefaults extends Hashtable<Object,Object>
             try {
                 Method m = (Method)get(uiClass);
                 if (m == null) {
-                    Class acClass = javax.swing.JComponent.class;
-                    m = uiClass.getMethod("createUI", new Class[]{acClass});
+                    m = uiClass.getMethod("createUI", new Class[]{JComponent.class});
                     put(uiClass, m);
                 }
                 uiObject = MethodUtil.invoke(m, null, new Object[]{target});
@@ -862,7 +861,7 @@ public class UIDefaults extends Hashtable<Object,Object>
             return;
         }
         if( resourceBundles == null ) {
-            resourceBundles = new Vector(5);
+            resourceBundles = new Vector<String>(5);
         }
         if (!resourceBundles.contains(bundleName)) {
             resourceBundles.add( bundleName );
@@ -1064,7 +1063,7 @@ public class UIDefaults extends Hashtable<Object,Object>
             className = c;
             methodName = m;
             if (o != null) {
-                args = (Object[])o.clone();
+                args = o.clone();
             }
         }
 
@@ -1079,10 +1078,10 @@ public class UIDefaults extends Hashtable<Object,Object>
             // In order to pick up the security policy in effect at the
             // time of creation we use a doPrivileged with the
             // AccessControlContext that was in place when this was created.
-            return AccessController.doPrivileged(new PrivilegedAction() {
+            return AccessController.doPrivileged(new PrivilegedAction<Object>() {
                 public Object run() {
                     try {
-                        Class c;
+                        Class<?> c;
                         Object cl;
                         // See if we should use a separate ClassLoader
                         if (table == null || !((cl = table.get("ClassLoader"))

src/share/classes/javax/swing/UIManager.java

@@ -191,7 +191,7 @@ public class UIManager implements Serializable
         MultiUIDefaults multiUIDefaults = new MultiUIDefaults(tables);
         LookAndFeel lookAndFeel;
         LookAndFeel multiLookAndFeel = null;
-        Vector auxLookAndFeels = null;
+        Vector<LookAndFeel> auxLookAndFeels = null;
         SwingPropertyChangeSupport changeSupport;
 
         UIDefaults getLookAndFeelDefaults() { return tables[0]; }
@@ -378,7 +378,7 @@ public class UIManager implements Serializable
     private static LookAndFeelInfo[] installedLAFs;
 
     static {
-        ArrayList iLAFs = new ArrayList(4);
+        ArrayList<LookAndFeelInfo> iLAFs = new ArrayList<LookAndFeelInfo>(4);
         iLAFs.add(new LookAndFeelInfo(
                       "Metal", "javax.swing.plaf.metal.MetalLookAndFeel"));
         iLAFs.add(new LookAndFeelInfo("CDE/Motif",
@@ -400,8 +400,7 @@ public class UIManager implements Serializable
             iLAFs.add(new LookAndFeelInfo("GTK+",
                   "com.sun.java.swing.plaf.gtk.GTKLookAndFeel"));
         }
-        installedLAFs = (LookAndFeelInfo[])iLAFs.toArray(
-                        new LookAndFeelInfo[iLAFs.size()]);
+        installedLAFs = iLAFs.toArray(new LookAndFeelInfo[iLAFs.size()]);
     }
 
 
@@ -640,7 +639,7 @@ public class UIManager implements Serializable
      * @see #getSystemLookAndFeelClassName
      */
     public static String getCrossPlatformLookAndFeelClassName() {
-        String laf = (String)AccessController.doPrivileged(
+        String laf = AccessController.doPrivileged(
                              new GetPropertyAction("swing.crossplatformlaf"));
         if (laf != null) {
             return laf;
@@ -1079,9 +1078,9 @@ public class UIManager implements Serializable
             // for that.
             return;
         }
-        Vector v = getLAFState().auxLookAndFeels;
+        Vector<LookAndFeel> v = getLAFState().auxLookAndFeels;
         if (v == null) {
-            v = new Vector();
+            v = new Vector<LookAndFeel>();
         }
 
         if (!v.contains(laf)) {
@@ -1115,7 +1114,7 @@ public class UIManager implements Serializable
 
         boolean result;
 
-        Vector v = getLAFState().auxLookAndFeels;
+        Vector<LookAndFeel> v = getLAFState().auxLookAndFeels;
         if ((v == null) || (v.size() == 0)) {
             return false;
         }
@@ -1151,14 +1150,14 @@ public class UIManager implements Serializable
     static public LookAndFeel[] getAuxiliaryLookAndFeels() {
         maybeInitialize();
 
-        Vector v = getLAFState().auxLookAndFeels;
+        Vector<LookAndFeel> v = getLAFState().auxLookAndFeels;
         if ((v == null) || (v.size() == 0)) {
             return null;
         }
         else {
             LookAndFeel[] rv = new LookAndFeel[v.size()];
             for (int i = 0; i < rv.length; i++) {
-                rv[i] = (LookAndFeel)v.elementAt(i);
+                rv[i] = v.elementAt(i);
             }
             return rv;
         }
@@ -1225,7 +1224,7 @@ public class UIManager implements Serializable
             final Properties props = new Properties();
 
             java.security.AccessController.doPrivileged(
-                new java.security.PrivilegedAction() {
+                new java.security.PrivilegedAction<Object>() {
                 public Object run() {
                     try {
                         File file = new File(makeSwingPropertiesFilename());
@@ -1284,7 +1283,7 @@ public class UIManager implements Serializable
          * property.  For example given "swing.installedlafs=motif,windows"
          * lafs = {"motif", "windows"}.
          */
-        Vector lafs = new Vector();
+        Vector<String> lafs = new Vector<String>();
         StringTokenizer st = new StringTokenizer(ilafsString, ",", false);
         while (st.hasMoreTokens()) {
             lafs.addElement(st.nextToken());
@@ -1294,9 +1293,8 @@ public class UIManager implements Serializable
          * list.  If they both exist then add a LookAndFeelInfo to
          * the installedLafs array.
          */
-        Vector ilafs = new Vector(lafs.size());
-        for(int i = 0; i < lafs.size(); i++) {
-            String laf = (String)lafs.elementAt(i);
+        Vector<LookAndFeelInfo> ilafs = new Vector<LookAndFeelInfo>(lafs.size());
+        for (String laf : lafs) {
             String name = swingProps.getProperty(makeInstalledLAFKey(laf, "name"), laf);
             String cls = swingProps.getProperty(makeInstalledLAFKey(laf, "class"));
             if (cls != null) {
@@ -1306,7 +1304,7 @@ public class UIManager implements Serializable
 
         installedLAFs = new LookAndFeelInfo[ilafs.size()];
         for(int i = 0; i < ilafs.size(); i++) {
-            installedLAFs[i] = (LookAndFeelInfo)(ilafs.elementAt(i));
+            installedLAFs[i] = ilafs.elementAt(i);
         }
     }
 
@@ -1350,7 +1348,7 @@ public class UIManager implements Serializable
             return;
         }
 
-        Vector auxLookAndFeels = new Vector();
+        Vector<LookAndFeel> auxLookAndFeels = new Vector<LookAndFeel>();
 
         StringTokenizer p = new StringTokenizer(auxLookAndFeelNames,",");
         String factoryName;
@@ -1451,7 +1449,7 @@ public class UIManager implements Serializable
                         Component c = e.getComponent();
 
                         if ((!(c instanceof JComponent) ||
-                             (c != null && !((JComponent)c).isEnabled())) &&
+                             (c != null && !c.isEnabled())) &&
                                 JComponent.KeyboardState.shouldProcess(e) &&
                                 SwingUtilities.processKeyBindings(e)) {
                             e.consume();

src/share/classes/javax/swing/filechooser/FileSystemView.java

@@ -136,8 +136,8 @@ public abstract class FileSystemView {
         }
 
         File[] roots = getRoots();
-        for (int i = 0; i < roots.length; i++) {
-            if (roots[i].equals(f)) {
+        for (File root : roots) {
+            if (root.equals(f)) {
                 return true;
             }
         }
@@ -252,8 +252,8 @@ public abstract class FileSystemView {
                     return true;
                 }
             File[] children = getFiles(folder, false);
-            for (int i = 0; i < children.length; i++) {
-                if (file.equals(children[i])) {
+            for (File child : children) {
+                if (file.equals(child)) {
                     return true;
                 }
             }
@@ -276,9 +276,9 @@ public abstract class FileSystemView {
     public File getChild(File parent, String fileName) {
         if (parent instanceof ShellFolder) {
             File[] children = getFiles(parent, false);
-            for (int i = 0; i < children.length; i++) {
-                if (children[i].getName().equals(fileName)) {
-                    return children[i];
+            for (File child : children) {
+                if (child.getName().equals(fileName)) {
+                    return child;
                 }
             }
         }
@@ -444,7 +444,7 @@ public abstract class FileSystemView {
      * Gets the list of shown (i.e. not hidden) files.
      */
     public File[] getFiles(File dir, boolean useFileHiding) {
-        Vector files = new Vector();
+        Vector<File> files = new Vector<File>();
 
 
         // add all files in dir
@@ -483,7 +483,7 @@ public abstract class FileSystemView {
             }
         }
 
-        return (File[])files.toArray(new File[files.size()]);
+        return files.toArray(new File[files.size()]);
     }
 
 
@@ -590,7 +590,7 @@ class UnixFileSystemView extends FileSystemView {
         if(containingDir == null) {
             throw new IOException("Containing directory is null:");
         }
-        File newFolder = null;
+        File newFolder;
         // Unix - using OpenWindows' default folder name. Can't find one for Motif/CDE.
         newFolder = createFileObject(containingDir, newFolderString);
         int i = 1;
@@ -614,11 +614,7 @@ class UnixFileSystemView extends FileSystemView {
     }
 
     public boolean isDrive(File dir) {
-        if (isFloppyDrive(dir)) {
-            return true;
-        } else {
-            return false;
-        }
+        return isFloppyDrive(dir);
     }
 
     public boolean isFloppyDrive(File dir) {
@@ -700,9 +696,8 @@ class WindowsFileSystemView extends FileSystemView {
         if(containingDir == null) {
             throw new IOException("Containing directory is null:");
         }
-        File newFolder = null;
         // Using NT's default folder name
-        newFolder = createFileObject(containingDir, newFolderString);
+        File newFolder = createFileObject(containingDir, newFolderString);
         int i = 2;
         while (newFolder.exists() && (i < 100)) {
             newFolder = createFileObject(containingDir, MessageFormat.format(
@@ -770,9 +765,8 @@ class GenericFileSystemView extends FileSystemView {
         if(containingDir == null) {
             throw new IOException("Containing directory is null:");
         }
-        File newFolder = null;
         // Using NT's default folder name
-        newFolder = createFileObject(containingDir, newFolderString);
+        File newFolder = createFileObject(containingDir, newFolderString);
 
         if(newFolder.exists()) {
             throw new IOException("Directory already exists:" + newFolder.getAbsolutePath());

src/share/classes/javax/swing/table/AbstractTableModel.java

@@ -176,8 +176,7 @@ public abstract class AbstractTableModel implements TableModel, Serializable
      * @since 1.4
      */
     public TableModelListener[] getTableModelListeners() {
-        return (TableModelListener[])listenerList.getListeners(
-                TableModelListener.class);
+        return listenerList.getListeners(TableModelListener.class);
     }
 
 //

src/share/classes/javax/swing/table/DefaultTableModel.java

@@ -681,9 +681,9 @@ public class DefaultTableModel extends AbstractTableModel implements Serializabl
         if (anArray == null) {
             return null;
         }
-        Vector v = new Vector(anArray.length);
-        for (int i=0; i < anArray.length; i++) {
-            v.addElement(anArray[i]);
+        Vector<Object> v = new Vector<Object>(anArray.length);
+        for (Object o : anArray) {
+            v.addElement(o);
         }
         return v;
     }
@@ -698,9 +698,9 @@ public class DefaultTableModel extends AbstractTableModel implements Serializabl
         if (anArray == null) {
             return null;
         }
-        Vector v = new Vector(anArray.length);
-        for (int i=0; i < anArray.length; i++) {
-            v.addElement(convertToVector(anArray[i]));
+        Vector<Vector> v = new Vector<Vector>(anArray.length);
+        for (Object[] o : anArray) {
+            v.addElement(convertToVector(o));
         }
         return v;
     }

src/share/classes/javax/swing/tree/DefaultTreeCellEditor.java

@@ -551,7 +551,7 @@ public class DefaultTreeCellEditor implements ActionListener, TreeCellEditor,
 
     // Serialization support.
     private void writeObject(ObjectOutputStream s) throws IOException {
-        Vector      values = new Vector();
+        Vector<Object> values = new Vector<Object>();
 
         s.defaultWriteObject();
         // Save the realEditor, if its Serializable.

src/share/classes/javax/swing/tree/DefaultTreeModel.java

@@ -453,8 +453,7 @@ public class DefaultTreeModel implements Serializable, TreeModel {
      * @since 1.4
      */
     public TreeModelListener[] getTreeModelListeners() {
-        return (TreeModelListener[])listenerList.getListeners(
-                TreeModelListener.class);
+        return listenerList.getListeners(TreeModelListener.class);
     }
 
     /**
@@ -652,7 +651,7 @@ public class DefaultTreeModel implements Serializable, TreeModel {
 
     // Serialization support.
     private void writeObject(ObjectOutputStream s) throws IOException {
-        Vector      values = new Vector();
+        Vector<Object> values = new Vector<Object>();
 
         s.defaultWriteObject();
         // Save the root, if its Serializable.

src/share/classes/javax/swing/tree/DefaultTreeSelectionModel.java

@@ -61,7 +61,7 @@ import javax.swing.DefaultListSelectionModel;
  *
  * @author Scott Violet
  */
-public class DefaultTreeSelectionModel extends Object implements Cloneable, Serializable, TreeSelectionModel
+public class DefaultTreeSelectionModel implements Cloneable, Serializable, TreeSelectionModel
 {
     /** Property name for selectionMode. */
     public static final String          SELECTION_MODE_PROPERTY = "selectionMode";
@@ -98,8 +98,8 @@ public class DefaultTreeSelectionModel extends Object implements Cloneable, Seri
     /** Used to make sure the paths are unique, will contain all the paths
      * in <code>selection</code>.
      */
-    private Hashtable                       uniquePaths;
-    private Hashtable                       lastPaths;
+    private Hashtable<TreePath, Boolean>    uniquePaths;
+    private Hashtable<TreePath, Boolean>    lastPaths;
     private TreePath[]                      tempPaths;
 
 
@@ -111,8 +111,8 @@ public class DefaultTreeSelectionModel extends Object implements Cloneable, Seri
         listSelectionModel = new DefaultListSelectionModel();
         selectionMode = DISCONTIGUOUS_TREE_SELECTION;
         leadIndex = leadRow = -1;
-        uniquePaths = new Hashtable();
-        lastPaths = new Hashtable();
+        uniquePaths = new Hashtable<TreePath, Boolean>();
+        lastPaths = new Hashtable<TreePath, Boolean>();
         tempPaths = new TreePath[1];
     }
 
@@ -245,7 +245,7 @@ public class DefaultTreeSelectionModel extends Object implements Cloneable, Seri
             }
 
             TreePath         beginLeadPath = leadPath;
-            Vector           cPaths = new Vector(newCount + oldCount);
+            Vector<PathPlaceHolder> cPaths = new Vector<PathPlaceHolder>(newCount + oldCount);
             List<TreePath> newSelectionAsList =
                     new ArrayList<TreePath>(newCount);
 
@@ -276,7 +276,7 @@ public class DefaultTreeSelectionModel extends Object implements Cloneable, Seri
 
             selection = newSelection;
 
-            Hashtable      tempHT = uniquePaths;
+            Hashtable<TreePath, Boolean>  tempHT = uniquePaths;
 
             uniquePaths = lastPaths;
             lastPaths = tempHT;
@@ -348,7 +348,7 @@ public class DefaultTreeSelectionModel extends Object implements Cloneable, Seri
                 int               counter, validCount;
                 int               oldCount;
                 TreePath          beginLeadPath = leadPath;
-                Vector            cPaths = null;
+                Vector<PathPlaceHolder>  cPaths = null;
 
                 if(selection == null)
                     oldCount = 0;
@@ -363,7 +363,7 @@ public class DefaultTreeSelectionModel extends Object implements Cloneable, Seri
                         if (uniquePaths.get(paths[counter]) == null) {
                             validCount++;
                             if(cPaths == null)
-                                cPaths = new Vector();
+                                cPaths = new Vector<PathPlaceHolder>();
                             cPaths.addElement(new PathPlaceHolder
                                               (paths[counter], true));
                             uniquePaths.put(paths[counter], Boolean.TRUE);
@@ -388,12 +388,11 @@ public class DefaultTreeSelectionModel extends Object implements Cloneable, Seri
                     if(validCount != paths.length) {
                         /* Some of the paths in paths are already in
                            the selection. */
-                        Enumeration   newPaths = lastPaths.keys();
+                        Enumeration<TreePath> newPaths = lastPaths.keys();
 
                         counter = oldCount;
                         while (newPaths.hasMoreElements()) {
-                            newSelection[counter++] = (TreePath)newPaths.
-                                                      nextElement();
+                            newSelection[counter++] = newPaths.nextElement();
                         }
                     }
                     else {
@@ -448,7 +447,7 @@ public class DefaultTreeSelectionModel extends Object implements Cloneable, Seri
                 clearSelection();
             }
             else {
-                Vector      pathsToRemove = null;
+                Vector<PathPlaceHolder> pathsToRemove = null;
 
                 /* Find the paths that can be removed. */
                 for (int removeCounter = paths.length - 1; removeCounter >= 0;
@@ -456,7 +455,7 @@ public class DefaultTreeSelectionModel extends Object implements Cloneable, Seri
                     if(paths[removeCounter] != null) {
                         if (uniquePaths.get(paths[removeCounter]) != null) {
                             if(pathsToRemove == null)
-                                pathsToRemove = new Vector(paths.length);
+                                pathsToRemove = new Vector<PathPlaceHolder>(paths.length);
                             uniquePaths.remove(paths[removeCounter]);
                             pathsToRemove.addElement(new PathPlaceHolder
                                          (paths[removeCounter], false));
@@ -471,14 +470,13 @@ public class DefaultTreeSelectionModel extends Object implements Cloneable, Seri
                         selection = null;
                     }
                     else {
-                        Enumeration          pEnum = uniquePaths.keys();
+                        Enumeration<TreePath> pEnum = uniquePaths.keys();
                         int                  validCount = 0;
 
                         selection = new TreePath[selection.length -
                                                 removeCount];
                         while (pEnum.hasMoreElements()) {
-                            selection[validCount++] = (TreePath)pEnum.
-                                                          nextElement();
+                            selection[validCount++] = pEnum.nextElement();
                         }
                     }
                     if (leadPath != null &&
@@ -613,8 +611,7 @@ public class DefaultTreeSelectionModel extends Object implements Cloneable, Seri
      * @since 1.4
      */
     public TreeSelectionListener[] getTreeSelectionListeners() {
-        return (TreeSelectionListener[])listenerList.getListeners(
-                TreeSelectionListener.class);
+        return listenerList.getListeners(TreeSelectionListener.class);
     }
 
     /**
@@ -1081,7 +1078,7 @@ public class DefaultTreeSelectionModel extends Object implements Cloneable, Seri
         PathPlaceHolder        placeholder;
 
         for(int counter = 0; counter < cPathCount; counter++) {
-            placeholder = (PathPlaceHolder)changedPaths.elementAt(counter);
+            placeholder = changedPaths.elementAt(counter);
             newness[counter] = placeholder.isNew;
             paths[counter] = placeholder.path;
         }
@@ -1177,8 +1174,8 @@ public class DefaultTreeSelectionModel extends Object implements Cloneable, Seri
         clone.listenerList = new EventListenerList();
         clone.listSelectionModel = (DefaultListSelectionModel)
             listSelectionModel.clone();
-        clone.uniquePaths = new Hashtable();
-        clone.lastPaths = new Hashtable();
+        clone.uniquePaths = new Hashtable<TreePath, Boolean>();
+        clone.lastPaths = new Hashtable<TreePath, Boolean>();
         clone.tempPaths = new TreePath[1];
         return clone;
     }

src/share/classes/javax/swing/tree/FixedHeightLayoutCache.java

@@ -64,21 +64,21 @@ public class FixedHeightLayoutCache extends AbstractLayoutCache {
     /**
      * Maps from TreePath to a FHTreeStateNode.
      */
-    private Hashtable          treePathMapping;
+    private Hashtable<TreePath, FHTreeStateNode> treePathMapping;
 
     /**
      * Used for getting path/row information.
      */
     private SearchInfo         info;
 
-    private Stack              tempStacks;
+    private Stack<Stack<TreePath>> tempStacks;
 
 
     public FixedHeightLayoutCache() {
         super();
-        tempStacks = new Stack();
+        tempStacks = new Stack<Stack<TreePath>>();
         boundsBuffer = new Rectangle();
-        treePathMapping = new Hashtable();
+        treePathMapping = new Hashtable<TreePath, FHTreeStateNode>();
         info = new SearchInfo();
         setRowHeight(1);
     }
@@ -592,7 +592,7 @@ public class FixedHeightLayoutCache extends AbstractLayoutCache {
      * return null, if you to create a node use getNodeForPath.
      */
     private FHTreeStateNode getMapping(TreePath path) {
-        return (FHTreeStateNode)treePathMapping.get(path);
+        return treePathMapping.get(path);
     }
 
     /**
@@ -695,13 +695,13 @@ public class FixedHeightLayoutCache extends AbstractLayoutCache {
                 return null;
 
             // Check all the parent paths, until a match is found.
-            Stack                paths;
+            Stack<TreePath> paths;
 
             if(tempStacks.size() == 0) {
-                paths = new Stack();
+                paths = new Stack<TreePath>();
             }
             else {
-                paths = (Stack)tempStacks.pop();
+                paths = tempStacks.pop();
             }
 
             try {
@@ -714,7 +714,7 @@ public class FixedHeightLayoutCache extends AbstractLayoutCache {
                         // Found a match, create entries for all paths in
                         // paths.
                         while(node != null && paths.size() > 0) {
-                            path = (TreePath)paths.pop();
+                            path = paths.pop();
                             node = node.createChildFor(path.
                                                        getLastPathComponent());
                         }

src/share/classes/javax/swing/tree/VariableHeightLayoutCache.java

@@ -56,7 +56,7 @@ public class VariableHeightLayoutCache extends AbstractLayoutCache {
      * The array of nodes that are currently visible, in the order they
      * are displayed.
      */
-    private Vector            visibleNodes;
+    private Vector<Object> visibleNodes;
 
     /**
      * This is set to true if one of the entries has an invalid size.
@@ -79,20 +79,20 @@ public class VariableHeightLayoutCache extends AbstractLayoutCache {
     /**
      * Maps from <code>TreePath</code> to a <code>TreeStateNode</code>.
      */
-    private Hashtable         treePathMapping;
+    private Hashtable<TreePath, TreeStateNode> treePathMapping;
 
     /**
      * A stack of stacks.
      */
-    private Stack             tempStacks;
+    private Stack<Stack<TreePath>> tempStacks;
 
 
     public VariableHeightLayoutCache() {
         super();
-        tempStacks = new Stack();
-        visibleNodes = new Vector();
+        tempStacks = new Stack<Stack<TreePath>>();
+        visibleNodes = new Vector<Object>();
         boundsBuffer = new Rectangle();
-        treePathMapping = new Hashtable();
+        treePathMapping = new Hashtable<TreePath, TreeStateNode>();
     }
 
     /**
@@ -704,7 +704,7 @@ public class VariableHeightLayoutCache extends AbstractLayoutCache {
      * return null, if you to create a node use getNodeForPath.
      */
     private TreeStateNode getMapping(TreePath path) {
-        return (TreeStateNode)treePathMapping.get(path);
+        return treePathMapping.get(path);
     }
 
     /**
@@ -824,13 +824,13 @@ public class VariableHeightLayoutCache extends AbstractLayoutCache {
             }
 
             // Check all the parent paths, until a match is found.
-            Stack                paths;
+            Stack<TreePath> paths;
 
             if(tempStacks.size() == 0) {
-                paths = new Stack();
+                paths = new Stack<TreePath>();
             }
             else {
-                paths = (Stack)tempStacks.pop();
+                paths = tempStacks.pop();
             }
 
             try {
@@ -843,7 +843,7 @@ public class VariableHeightLayoutCache extends AbstractLayoutCache {
                         // Found a match, create entries for all paths in
                         // paths.
                         while(node != null && paths.size() > 0) {
-                            path = (TreePath)paths.pop();
+                            path = paths.pop();
                             node.getLoadedChildren(shouldCreate);
 
                             int            childIndex = treeModel.

src/share/classes/javax/swing/undo/StateEdit.java

@@ -116,7 +116,7 @@ public class StateEdit
 
     protected void init (StateEditable anObject, String name) {
         this.object = anObject;
-        this.preState = new Hashtable(11);
+        this.preState = new Hashtable<Object, Object>(11);
         this.object.storeState(this.preState);
         this.postState = null;
         this.undoRedoName = name;
@@ -133,7 +133,7 @@ public class StateEdit
      * ends the edit.
      */
     public void end() {
-        this.postState = new Hashtable(11);
+        this.postState = new Hashtable<Object, Object>(11);
         this.object.storeState(this.postState);
         this.removeRedundantState();
     }
@@ -170,7 +170,7 @@ public class StateEdit
      * Remove redundant key/values in state hashtables.
      */
     protected void removeRedundantState() {
-        Vector uselessKeys = new Vector();
+        Vector<Object> uselessKeys = new Vector<Object>();
         Enumeration myKeys = preState.keys();
 
         // Locate redundant state

src/share/classes/javax/swing/undo/UndoManager.java

@@ -166,12 +166,10 @@ public class UndoManager extends CompoundEdit implements UndoableEditListener {
      * @see AbstractUndoableEdit#die
      */
     public synchronized void discardAllEdits() {
-        Enumeration cursor = edits.elements();
-        while (cursor.hasMoreElements()) {
-            UndoableEdit e = (UndoableEdit)cursor.nextElement();
+        for (UndoableEdit e : edits) {
             e.die();
         }
-        edits = new Vector();
+        edits = new Vector<UndoableEdit>();
         indexOfNextAdd = 0;
         // PENDING(rjrjr) when vector grows a removeRange() method
         // (expected in JDK 1.2), trimEdits() will be nice and
@@ -240,7 +238,7 @@ public class UndoManager extends CompoundEdit implements UndoableEditListener {
 //          System.out.println("Trimming " + from + " " + to + " with index " +
 //                           indexOfNextAdd);
             for (int i = to; from <= i; i--) {
-                UndoableEdit e = (UndoableEdit)edits.elementAt(i);
+                UndoableEdit e = edits.elementAt(i);
 //              System.out.println("JUM: Discarding " +
 //                                 e.getUndoPresentationName());
                 e.die();
@@ -293,7 +291,7 @@ public class UndoManager extends CompoundEdit implements UndoableEditListener {
     protected UndoableEdit editToBeUndone() {
         int i = indexOfNextAdd;
         while (i > 0) {
-            UndoableEdit edit = (UndoableEdit)edits.elementAt(--i);
+            UndoableEdit edit = edits.elementAt(--i);
             if (edit.isSignificant()) {
                 return edit;
             }
@@ -314,7 +312,7 @@ public class UndoManager extends CompoundEdit implements UndoableEditListener {
         int i = indexOfNextAdd;
 
         while (i < count) {
-            UndoableEdit edit = (UndoableEdit)edits.elementAt(i++);
+            UndoableEdit edit = edits.elementAt(i++);
             if (edit.isSignificant()) {
                 return edit;
             }
@@ -333,7 +331,7 @@ public class UndoManager extends CompoundEdit implements UndoableEditListener {
     protected void undoTo(UndoableEdit edit) throws CannotUndoException {
         boolean done = false;
         while (!done) {
-            UndoableEdit next = (UndoableEdit)edits.elementAt(--indexOfNextAdd);
+            UndoableEdit next = edits.elementAt(--indexOfNextAdd);
             next.undo();
             done = next == edit;
         }
@@ -349,7 +347,7 @@ public class UndoManager extends CompoundEdit implements UndoableEditListener {
     protected void redoTo(UndoableEdit edit) throws CannotRedoException {
         boolean done = false;
         while (!done) {
-            UndoableEdit next = (UndoableEdit)edits.elementAt(indexOfNextAdd++);
+            UndoableEdit next = edits.elementAt(indexOfNextAdd++);
             next.redo();
             done = next == edit;
         }

src/share/classes/javax/swing/undo/UndoableEditSupport.java

@@ -89,8 +89,7 @@ public class UndoableEditSupport {
      * @since 1.4
      */
     public synchronized UndoableEditListener[] getUndoableEditListeners() {
-        return (UndoableEditListener[])(listeners.toArray(
-                new UndoableEditListener[0]));
+        return listeners.toArray(new UndoableEditListener[0]);
     }
 
     /**

src/share/classes/sun/swing/AccessibleMethod.java

@@ -114,7 +114,7 @@ public class AccessibleMethod {
 
     /** The action used to fetch the method and make it accessible */
     private static class AccessMethodAction implements PrivilegedExceptionAction<Method> {
-        private final Class klass;
+        private final Class<?> klass;
         private final String methodName;
         private final Class[] paramTypes;
 

src/share/classes/sun/swing/FilePane.java

@@ -546,8 +546,7 @@ public class FilePane extends JPanel implements PropertyChangeListener {
 
     public static void addActionsToMap(ActionMap map, Action[] actions) {
         if (map != null && actions != null) {
-            for (int i = 0; i < actions.length; i++) {
-                Action a = actions[i];
+            for (Action a : actions) {
                 String cmd = (String)a.getValue(Action.ACTION_COMMAND_KEY);
                 if (cmd == null) {
                     cmd = (String)a.getValue(Action.NAME);
@@ -715,13 +714,13 @@ public class FilePane extends JPanel implements PropertyChangeListener {
             visibleColumns.toArray(columns);
             columnMap = Arrays.copyOf(columnMap, columns.length);
 
-            List<RowSorter.SortKey> sortKeys =
+            List<? extends RowSorter.SortKey> sortKeys =
                     (rowSorter == null) ? null : rowSorter.getSortKeys();
             fireTableStructureChanged();
             restoreSortKeys(sortKeys);
         }
 
-        private void restoreSortKeys(List<RowSorter.SortKey> sortKeys) {
+        private void restoreSortKeys(List<? extends RowSorter.SortKey> sortKeys) {
             if (sortKeys != null) {
                 // check if preserved sortKeys are valid for this folder
                 for (int i = 0; i < sortKeys.size(); i++) {
@@ -886,7 +885,7 @@ public class FilePane extends JPanel implements PropertyChangeListener {
         return rowSorter;
     }
 
-    private class DetailsTableRowSorter extends TableRowSorter {
+    private class DetailsTableRowSorter extends TableRowSorter<TableModel> {
         public DetailsTableRowSorter() {
             setModelWrapper(new SorterModelWrapper());
         }
@@ -906,8 +905,8 @@ public class FilePane extends JPanel implements PropertyChangeListener {
             updateComparators(detailsTableModel.getColumns());
         }
 
-        private class SorterModelWrapper extends ModelWrapper {
-            public Object getModel() {
+        private class SorterModelWrapper extends ModelWrapper<TableModel, Integer> {
+            public TableModel getModel() {
                 return getDetailsTableModel();
             }
 
@@ -923,7 +922,7 @@ public class FilePane extends JPanel implements PropertyChangeListener {
                 return FilePane.this.getModel().getElementAt(row);
             }
 
-            public Object getIdentifier(int row) {
+            public Integer getIdentifier(int row) {
                 return row;
             }
         }
@@ -1718,9 +1717,9 @@ public class FilePane extends JPanel implements PropertyChangeListener {
     private void updateViewMenu() {
         if (viewMenu != null) {
             Component[] comps = viewMenu.getMenuComponents();
-            for (int i = 0; i < comps.length; i++) {
-                if (comps[i] instanceof JRadioButtonMenuItem) {
-                    JRadioButtonMenuItem mi = (JRadioButtonMenuItem)comps[i];
+            for (Component comp : comps) {
+                if (comp instanceof JRadioButtonMenuItem) {
+                    JRadioButtonMenuItem mi = (JRadioButtonMenuItem) comp;
                     if (((ViewTypeAction)mi.getAction()).viewType == viewType) {
                         mi.setSelected(true);
                     }

src/share/classes/sun/swing/SwingLazyValue.java

@@ -54,15 +54,14 @@ public class SwingLazyValue implements UIDefaults.LazyValue {
         className = c;
         methodName = m;
         if (o != null) {
-            args = (Object[])o.clone();
+            args = o.clone();
         }
     }
 
     public Object createValue(final UIDefaults table) {
         try {
-            Class c;
             Object cl;
-            c = Class.forName(className, true, null);
+            Class<?> c = Class.forName(className, true, null);
             if (methodName != null) {
                 Class[] types = getClassArray(args);
                 Method m = c.getMethod(methodName, types);

src/share/classes/sun/swing/SwingUtilities2.java

@@ -460,7 +460,7 @@ public class SwingUtilities2 {
             return clipString;
         }
 
-        boolean needsTextLayout = false;
+        boolean needsTextLayout;
 
         synchronized (charsBufferLock) {
             if (charsBuffer == null || charsBuffer.length < stringLength) {
@@ -715,11 +715,8 @@ public class SwingUtilities2 {
         // See if coords are inside
         // ASSUME: mouse x,y will never be < cell's x,y
         assert (p.x >= cellBounds.x && p.y >= cellBounds.y);
-        if (p.x > cellBounds.x + cellBounds.width ||
-                p.y > cellBounds.y + cellBounds.height) {
-            return true;
-        }
-        return false;
+        return p.x > cellBounds.x + cellBounds.width ||
+                p.y > cellBounds.y + cellBounds.height;
     }
 
     /**
@@ -1239,12 +1236,11 @@ public class SwingUtilities2 {
     private static synchronized boolean inputEvent_canAccessSystemClipboard(InputEvent ie) {
         if (inputEvent_CanAccessSystemClipboard_Field == null) {
             inputEvent_CanAccessSystemClipboard_Field =
-                (Field)AccessController.doPrivileged(
-                    new java.security.PrivilegedAction() {
-                        public Object run() {
-                            Field field = null;
+                AccessController.doPrivileged(
+                    new java.security.PrivilegedAction<Field>() {
+                        public Field run() {
                             try {
-                                field = InputEvent.class.
+                                Field field = InputEvent.class.
                                     getDeclaredField("canAccessSystemClipboard");
                                 field.setAccessible(true);
                                 return field;
@@ -1419,10 +1415,10 @@ public class SwingUtilities2 {
                  * Class.getResourceAsStream just returns raw
                  * bytes, which we can convert to an image.
                  */
-                byte[] buffer = (byte[])
+                byte[] buffer =
                     java.security.AccessController.doPrivileged(
-                        new java.security.PrivilegedAction() {
-                    public Object run() {
+                        new java.security.PrivilegedAction<byte[]>() {
+                    public byte[] run() {
                         try {
                             InputStream resource = null;
                             Class<?> srchClass = baseClass;
@@ -1489,7 +1485,7 @@ public class SwingUtilities2 {
                 return true;
             }
             // Else probably Solaris or Linux in which case may be remote X11
-            Class x11Class = Class.forName("sun.awt.X11GraphicsEnvironment");
+            Class<?> x11Class = Class.forName("sun.awt.X11GraphicsEnvironment");
             Method isDisplayLocalMethod = x11Class.getMethod(
                       "isDisplayLocal", new Class[0]);
             return (Boolean)isDisplayLocalMethod.invoke(null, (Object[])null);