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提交 1a559f15 编写于 作者: K khazra
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7157893: Warnings Cleanup in java.util.* 

Summary: Minor code changes to cleanup warnings in java.util.*
Reviewed-by: mduigou, naoto, smarks
Contributed-by: NRemi Forax <forax@univ-mlv.fr>
上级 e60ddf8b
隐藏空白更改
内联 并排
Showing with 410 addition and 313 deletion
src/share/classes/java/util/AbstractCollection.java
浏览文件 @ 1a559f15
......@@ -170,6 +170,7 @@ public abstract class AbstractCollection<E> implements Collection<E> {
* @throws ArrayStoreException {@inheritDoc}
* @throws NullPointerException {@inheritDoc}
*/
@SuppressWarnings("unchecked")
public <T> T[] toArray(T[] a) {
// Estimate size of array; be prepared to see more or fewer elements
int size = size();
......@@ -216,6 +217,7 @@ public abstract class AbstractCollection<E> implements Collection<E> {
* @return array containing the elements in the given array, plus any
* further elements returned by the iterator, trimmed to size
*/
@SuppressWarnings("unchecked")
private static <T> T[] finishToArray(T[] r, Iterator<?> it) {
int i = r.length;
while (it.hasNext()) {
......
src/share/classes/java/util/AbstractList.java
浏览文件 @ 1a559f15
......@@ -516,7 +516,7 @@ public abstract class AbstractList<E> extends AbstractCollection<E> implements L
return false;
ListIterator<E> e1 = listIterator();
ListIterator e2 = ((List) o).listIterator();
ListIterator<?> e2 = ((List<?>) o).listIterator();
while (e1.hasNext() && e2.hasNext()) {
E o1 = e1.next();
Object o2 = e2.next();
......
src/share/classes/java/util/AbstractMap.java
浏览文件 @ 1a559f15
......@@ -443,7 +443,7 @@ public abstract class AbstractMap<K,V> implements Map<K,V> {
if (!(o instanceof Map))
return false;
Map<K,V> m = (Map<K,V>) o;
Map<?,?> m = (Map<?,?>) o;
if (m.size() != size())
return false;
......@@ -534,7 +534,7 @@ public abstract class AbstractMap<K,V> implements Map<K,V> {
* @return a shallow copy of this map
*/
protected Object clone() throws CloneNotSupportedException {
AbstractMap<K,V> result = (AbstractMap<K,V>)super.clone();
AbstractMap<?,?> result = (AbstractMap<?,?>)super.clone();
result.keySet = null;
result.values = null;
return result;
......@@ -652,7 +652,7 @@ public abstract class AbstractMap<K,V> implements Map<K,V> {
public boolean equals(Object o) {
if (!(o instanceof Map.Entry))
return false;
Map.Entry e = (Map.Entry)o;
Map.Entry<?,?> e = (Map.Entry<?,?>)o;
return eq(key, e.getKey()) && eq(value, e.getValue());
}
......@@ -783,7 +783,7 @@ public abstract class AbstractMap<K,V> implements Map<K,V> {
public boolean equals(Object o) {
if (!(o instanceof Map.Entry))
return false;
Map.Entry e = (Map.Entry)o;
Map.Entry<?,?> e = (Map.Entry<?,?>)o;
return eq(key, e.getKey()) && eq(value, e.getValue());
}
......
src/share/classes/java/util/AbstractSet.java
浏览文件 @ 1a559f15
......@@ -88,7 +88,7 @@ public abstract class AbstractSet<E> extends AbstractCollection<E> implements Se
if (!(o instanceof Set))
return false;
Collection c = (Collection) o;
Collection<?> c = (Collection<?>) o;
if (c.size() != size())
return false;
try {
......
src/share/classes/java/util/ArrayDeque.java
浏览文件 @ 1a559f15
......@@ -813,7 +813,8 @@ public class ArrayDeque<E> extends AbstractCollection<E>
*/
public ArrayDeque<E> clone() {
try {
ArrayDeque<E> result = (ArrayDeque<E>) super.clone();
@SuppressWarnings("unchecked")
ArrayDeque<E> result = (ArrayDeque<E>) super.clone();
result.elements = Arrays.copyOf(elements, elements.length);
return result;
......@@ -849,6 +850,7 @@ public class ArrayDeque<E> extends AbstractCollection<E>
/**
* Deserialize this deque.
*/
@SuppressWarnings("unchecked")
private void readObject(ObjectInputStream s)
throws IOException, ClassNotFoundException {
s.defaultReadObject();
......
src/share/classes/java/util/ArrayList.java
浏览文件 @ 1a559f15
......@@ -300,8 +300,7 @@ public class ArrayList<E> extends AbstractList<E>
*/
public Object clone() {
try {
@SuppressWarnings("unchecked")
ArrayList<E> v = (ArrayList<E>) super.clone();
ArrayList<?> v = (ArrayList<?>) super.clone();
v.elementData = Arrays.copyOf(elementData, size);
v.modCount = 0;
return v;
......
src/share/classes/java/util/Arrays.java
浏览文件 @ 1a559f15
......@@ -560,6 +560,7 @@ public class Arrays {
* off is the offset to generate corresponding low, high in src
* To be removed in a future release.
*/
@SuppressWarnings({ "unchecked", "rawtypes" })
private static void mergeSort(Object[] src,
Object[] dest,
int low,
......@@ -746,6 +747,7 @@ public class Arrays {
* off is the offset into src corresponding to low in dest
* To be removed in a future release.
*/
@SuppressWarnings({ "rawtypes", "unchecked" })
private static void mergeSort(Object[] src,
Object[] dest,
int low, int high, int off,
......@@ -1477,8 +1479,10 @@ public class Arrays {
while (low <= high) {
int mid = (low + high) >>> 1;
Comparable midVal = (Comparable)a[mid];
int cmp = midVal.compareTo(key);
@SuppressWarnings("rawtypes")
Comparable midVal = (Comparable)a[mid];
@SuppressWarnings("unchecked")
int cmp = midVal.compareTo(key);
if (cmp < 0)
low = mid + 1;
......@@ -2215,6 +2219,7 @@ public class Arrays {
* @throws NullPointerException if <tt>original</tt> is null
* @since 1.6
*/
@SuppressWarnings("unchecked")
public static <T> T[] copyOf(T[] original, int newLength) {
return (T[]) copyOf(original, newLength, original.getClass());
}
......@@ -2242,6 +2247,7 @@ public class Arrays {
* @since 1.6
*/
public static <T,U> T[] copyOf(U[] original, int newLength, Class<? extends T[]> newType) {
@SuppressWarnings("unchecked")
T[] copy = ((Object)newType == (Object)Object[].class)
? (T[]) new Object[newLength]
: (T[]) Array.newInstance(newType.getComponentType(), newLength);
......@@ -2470,8 +2476,9 @@ public class Arrays {
* @throws NullPointerException if <tt>original</tt> is null
* @since 1.6
*/
@SuppressWarnings("unchecked")
public static <T> T[] copyOfRange(T[] original, int from, int to) {
return copyOfRange(original, from, to, (Class<T[]>) original.getClass());
return copyOfRange(original, from, to, (Class<? extends T[]>) original.getClass());
}
/**
......@@ -2509,6 +2516,7 @@ public class Arrays {
int newLength = to - from;
if (newLength < 0)
throw new IllegalArgumentException(from + " > " + to);
@SuppressWarnings("unchecked")
T[] copy = ((Object)newType == (Object)Object[].class)
? (T[]) new Object[newLength]
: (T[]) Array.newInstance(newType.getComponentType(), newLength);
......@@ -2851,6 +2859,7 @@ public class Arrays {
return a.clone();
}
@SuppressWarnings("unchecked")
public <T> T[] toArray(T[] a) {
int size = size();
if (a.length < size)
......@@ -3634,7 +3643,7 @@ public class Arrays {
if (element == null) {
buf.append("null");
} else {
Class eClass = element.getClass();
Class<?> eClass = element.getClass();
if (eClass.isArray()) {
if (eClass == byte[].class)
......
src/share/classes/java/util/Calendar.java
浏览文件 @ 1a559f15
......@@ -840,7 +840,7 @@ public abstract class Calendar implements Serializable, Cloneable, Comparable<Ca
* of a Locale.
*/
private static final ConcurrentMap<Locale, int[]> cachedLocaleData
= new ConcurrentHashMap<Locale, int[]>(3);
= new ConcurrentHashMap<>(3);
// Special values of stamp[]
/**
......@@ -1499,7 +1499,7 @@ public abstract class Calendar implements Serializable, Cloneable, Comparable<Ca
DateFormatSymbols symbols = DateFormatSymbols.getInstance(locale);
String[] strings = getFieldStrings(field, style, symbols);
if (strings != null) {
Map<String,Integer> names = new HashMap<String,Integer>();
Map<String,Integer> names = new HashMap<>();
for (int i = 0; i < strings.length; i++) {
if (strings[i].length() == 0) {
continue;
......
src/share/classes/java/util/Collections.java
浏览文件 @ 1a559f15
......@@ -150,6 +150,7 @@ public class Collections {
* detects that the natural ordering of the list elements is
* found to violate the {@link Comparable} contract
*/
@SuppressWarnings("unchecked")
public static <T extends Comparable<? super T>> void sort(List<T> list) {
Object[] a = list.toArray();
Arrays.sort(a);
......@@ -212,13 +213,14 @@ public class Collections {
* @throws IllegalArgumentException (optional) if the comparator is
* found to violate the {@link Comparator} contract
*/
@SuppressWarnings({ "unchecked", "rawtypes" })
public static <T> void sort(List<T> list, Comparator<? super T> c) {
Object[] a = list.toArray();
Arrays.sort(a, (Comparator)c);
ListIterator i = list.listIterator();
ListIterator<T> i = list.listIterator();
for (int j=0; j<a.length; j++) {
i.next();
i.set(a[j]);
i.set((T)a[j]);
}
}
......@@ -357,9 +359,10 @@ public class Collections {
* or the search key is not mutually comparable with the
* elements of the list using this comparator.
*/
@SuppressWarnings("unchecked")
public static <T> int binarySearch(List<? extends T> list, T key, Comparator<? super T> c) {
if (c==null)
return binarySearch((List) list, key);
return binarySearch((List<? extends Comparable<? super T>>) list, key);
if (list instanceof RandomAccess || list.size()<BINARYSEARCH_THRESHOLD)
return Collections.indexedBinarySearch(list, key, c);
......@@ -406,9 +409,6 @@ public class Collections {
return -(low + 1); // key not found
}
private interface SelfComparable extends Comparable<SelfComparable> {}
/**
* Reverses the order of the elements in the specified list.<p>
*
......@@ -418,12 +418,16 @@ public class Collections {
* @throws UnsupportedOperationException if the specified list or
* its list-iterator does not support the <tt>set</tt> operation.
*/
@SuppressWarnings({ "rawtypes", "unchecked" })
public static void reverse(List<?> list) {
int size = list.size();
if (size < REVERSE_THRESHOLD || list instanceof RandomAccess) {
for (int i=0, mid=size>>1, j=size-1; i<mid; i++, j--)
swap(list, i, j);
} else {
// instead of using a raw type here, it's possible to capture
// the wildcard but it will require a call to a supplementary
// private method
ListIterator fwd = list.listIterator();
ListIterator rev = list.listIterator(size);
for (int i=0, mid=list.size()>>1; i<mid; i++) {
......@@ -493,6 +497,7 @@ public class Collections {
* @throws UnsupportedOperationException if the specified list or its
* list-iterator does not support the <tt>set</tt> operation.
*/
@SuppressWarnings({ "rawtypes", "unchecked" })
public static void shuffle(List<?> list, Random rnd) {
int size = list.size();
if (size < SHUFFLE_THRESHOLD || list instanceof RandomAccess) {
......@@ -506,6 +511,9 @@ public class Collections {
swap(arr, i-1, rnd.nextInt(i));
// Dump array back into list
// instead of using a raw type here, it's possible to capture
// the wildcard but it will require a call to a supplementary
// private method
ListIterator it = list.listIterator();
for (int i=0; i<arr.length; i++) {
it.next();
......@@ -527,7 +535,11 @@ public class Collections {
* || j &lt; 0 || j &gt;= list.size()).
* @since 1.4
*/
@SuppressWarnings({ "rawtypes", "unchecked" })
public static void swap(List<?> list, int i, int j) {
// instead of using a raw type here, it's possible to capture
// the wildcard but it will require a call to a supplementary
// private method
final List l = list;
l.set(i, l.set(j, l.get(i)));
}
......@@ -657,9 +669,10 @@ public class Collections {
* @throws NoSuchElementException if the collection is empty.
* @see Comparable
*/
@SuppressWarnings({ "unchecked", "rawtypes" })
public static <T> T min(Collection<? extends T> coll, Comparator<? super T> comp) {
if (comp==null)
return (T)min((Collection<SelfComparable>) (Collection) coll);
return (T)min((Collection) coll);
Iterator<? extends T> i = coll.iterator();
T candidate = i.next();
......@@ -727,9 +740,10 @@ public class Collections {
* @throws NoSuchElementException if the collection is empty.
* @see Comparable
*/
@SuppressWarnings({ "unchecked", "rawtypes" })
public static <T> T max(Collection<? extends T> coll, Comparator<? super T> comp) {
if (comp==null)
return (T)max((Collection<SelfComparable>) (Collection) coll);
return (T)max((Collection) coll);
Iterator<? extends T> i = coll.iterator();
T candidate = i.next();
......@@ -1389,7 +1403,9 @@ public class Collections {
extends UnmodifiableSet<Map.Entry<K,V>> {
private static final long serialVersionUID = 7854390611657943733L;
@SuppressWarnings({ "unchecked", "rawtypes" })
UnmodifiableEntrySet(Set<? extends Map.Entry<? extends K, ? extends V>> s) {
// Need to cast to raw in order to work around a limitation in the type system
super((Set)s);
}
public Iterator<Map.Entry<K,V>> iterator() {
......@@ -1408,13 +1424,15 @@ public class Collections {
};
}
@SuppressWarnings("unchecked")
public Object[] toArray() {
Object[] a = c.toArray();
for (int i=0; i<a.length; i++)
a[i] = new UnmodifiableEntry<>((Map.Entry<K,V>)a[i]);
a[i] = new UnmodifiableEntry<>((Map.Entry<? extends K, ? extends V>)a[i]);
return a;
}
@SuppressWarnings("unchecked")
public <T> T[] toArray(T[] a) {
// We don't pass a to c.toArray, to avoid window of
// vulnerability wherein an unscrupulous multithreaded client
......@@ -1422,7 +1440,7 @@ public class Collections {
Object[] arr = c.toArray(a.length==0 ? a : Arrays.copyOf(a, 0));
for (int i=0; i<arr.length; i++)
arr[i] = new UnmodifiableEntry<>((Map.Entry<K,V>)arr[i]);
arr[i] = new UnmodifiableEntry<>((Map.Entry<? extends K, ? extends V>)arr[i]);
if (arr.length > a.length)
return (T[])arr;
......@@ -1464,7 +1482,7 @@ public class Collections {
if (!(o instanceof Set))
return false;
Set s = (Set) o;
Set<?> s = (Set<?>) o;
if (s.size() != c.size())
return false;
return containsAll(s); // Invokes safe containsAll() above
......@@ -1493,7 +1511,7 @@ public class Collections {
return true;
if (!(o instanceof Map.Entry))
return false;
Map.Entry t = (Map.Entry)o;
Map.Entry<?,?> t = (Map.Entry<?,?>)o;
return eq(e.getKey(), t.getKey()) &&
eq(e.getValue(), t.getValue());
}
......
src/share/classes/java/util/ComparableTimSort.java
浏览文件 @ 1a559f15
......@@ -114,7 +114,6 @@ class ComparableTimSort {
// Allocate temp storage (which may be increased later if necessary)
int len = a.length;
@SuppressWarnings({"unchecked", "UnnecessaryLocalVariable"})
Object[] newArray = new Object[len < 2 * INITIAL_TMP_STORAGE_LENGTH ?
len >>> 1 : INITIAL_TMP_STORAGE_LENGTH];
tmp = newArray;
......@@ -209,14 +208,13 @@ class ComparableTimSort {
* @param start the index of the first element in the range that is
* not already known to be sorted ({@code lo <= start <= hi})
*/
@SuppressWarnings("fallthrough")
@SuppressWarnings({ "fallthrough", "rawtypes", "unchecked" })
private static void binarySort(Object[] a, int lo, int hi, int start) {
assert lo <= start && start <= hi;
if (start == lo)
start++;
for ( ; start < hi; start++) {
@SuppressWarnings("unchecked")
Comparable<Object> pivot = (Comparable) a[start];
Comparable pivot = (Comparable) a[start];
// Set left (and right) to the index where a[start] (pivot) belongs
int left = lo;
......@@ -279,7 +277,7 @@ class ComparableTimSort {
* @return the length of the run beginning at the specified position in
* the specified array
*/
@SuppressWarnings("unchecked")
@SuppressWarnings({ "unchecked", "rawtypes" })
private static int countRunAndMakeAscending(Object[] a, int lo, int hi) {
assert lo < hi;
int runHi = lo + 1;
......@@ -614,7 +612,7 @@ class ComparableTimSort {
* (must be aBase + aLen)
* @param len2 length of second run to be merged (must be > 0)
*/
@SuppressWarnings("unchecked")
@SuppressWarnings({ "unchecked", "rawtypes" })
private void mergeLo(int base1, int len1, int base2, int len2) {
assert len1 > 0 && len2 > 0 && base1 + len1 == base2;
......@@ -731,7 +729,7 @@ class ComparableTimSort {
* (must be aBase + aLen)
* @param len2 length of second run to be merged (must be > 0)
*/
@SuppressWarnings("unchecked")
@SuppressWarnings({ "unchecked", "rawtypes" })
private void mergeHi(int base1, int len1, int base2, int len2) {
assert len1 > 0 && len2 > 0 && base1 + len1 == base2;
......@@ -865,7 +863,6 @@ class ComparableTimSort {
else
newSize = Math.min(newSize, a.length >>> 1);
@SuppressWarnings({"unchecked", "UnnecessaryLocalVariable"})
Object[] newArray = new Object[newSize];
tmp = newArray;
}
......
src/share/classes/java/util/Currency.java
浏览文件 @ 1a559f15
......@@ -404,7 +404,7 @@ public final class Currency implements Serializable {
public static Set<Currency> getAvailableCurrencies() {
synchronized(Currency.class) {
if (available == null) {
available = new HashSet<Currency>(256);
available = new HashSet<>(256);
// Add simple currencies first
for (char c1 = 'A'; c1 <= 'Z'; c1 ++) {
......
src/share/classes/java/util/EnumMap.java
浏览文件 @ 1a559f15
......@@ -120,11 +120,12 @@ public class EnumMap<K extends Enum<K>, V> extends AbstractMap<K, V>
return (value == null ? NULL : value);
}
@SuppressWarnings("unchecked")
private V unmaskNull(Object value) {
return (V) (value == NULL ? null : value);
return (V)(value == NULL ? null : value);
}
private static final Enum[] ZERO_LENGTH_ENUM_ARRAY = new Enum[0];
private static final Enum<?>[] ZERO_LENGTH_ENUM_ARRAY = new Enum<?>[0];
/**
* Creates an empty enum map with the specified key type.
......@@ -218,12 +219,12 @@ public class EnumMap<K extends Enum<K>, V> extends AbstractMap<K, V>
* key
*/
public boolean containsKey(Object key) {
return isValidKey(key) && vals[((Enum)key).ordinal()] != null;
return isValidKey(key) && vals[((Enum<?>)key).ordinal()] != null;
}
private boolean containsMapping(Object key, Object value) {
return isValidKey(key) &&
maskNull(value).equals(vals[((Enum)key).ordinal()]);
maskNull(value).equals(vals[((Enum<?>)key).ordinal()]);
}
/**
......@@ -243,7 +244,7 @@ public class EnumMap<K extends Enum<K>, V> extends AbstractMap<K, V>
*/
public V get(Object key) {
return (isValidKey(key) ?
unmaskNull(vals[((Enum)key).ordinal()]) : null);
unmaskNull(vals[((Enum<?>)key).ordinal()]) : null);
}
// Modification Operations
......@@ -285,7 +286,7 @@ public class EnumMap<K extends Enum<K>, V> extends AbstractMap<K, V>
public V remove(Object key) {
if (!isValidKey(key))
return null;
int index = ((Enum)key).ordinal();
int index = ((Enum<?>)key).ordinal();
Object oldValue = vals[index];
vals[index] = null;
if (oldValue != null)
......@@ -296,7 +297,7 @@ public class EnumMap<K extends Enum<K>, V> extends AbstractMap<K, V>
private boolean removeMapping(Object key, Object value) {
if (!isValidKey(key))
return false;
int index = ((Enum)key).ordinal();
int index = ((Enum<?>)key).ordinal();
if (maskNull(value).equals(vals[index])) {
vals[index] = null;
size--;
......@@ -314,7 +315,7 @@ public class EnumMap<K extends Enum<K>, V> extends AbstractMap<K, V>
return false;
// Cheaper than instanceof Enum followed by getDeclaringClass
Class keyClass = key.getClass();
Class<?> keyClass = key.getClass();
return keyClass == keyType || keyClass.getSuperclass() == keyType;
}
......@@ -331,8 +332,7 @@ public class EnumMap<K extends Enum<K>, V> extends AbstractMap<K, V>
*/
public void putAll(Map<? extends K, ? extends V> m) {
if (m instanceof EnumMap) {
EnumMap<? extends K, ? extends V> em =
(EnumMap<? extends K, ? extends V>)m;
EnumMap<?, ?> em = (EnumMap<?, ?>)m;
if (em.keyType != keyType) {
if (em.isEmpty())
return;
......@@ -476,13 +476,13 @@ public class EnumMap<K extends Enum<K>, V> extends AbstractMap<K, V>
public boolean contains(Object o) {
if (!(o instanceof Map.Entry))
return false;
Map.Entry entry = (Map.Entry)o;
Map.Entry<?,?> entry = (Map.Entry<?,?>)o;
return containsMapping(entry.getKey(), entry.getValue());
}
public boolean remove(Object o) {
if (!(o instanceof Map.Entry))
return false;
Map.Entry entry = (Map.Entry)o;
Map.Entry<?,?> entry = (Map.Entry<?,?>)o;
return removeMapping(entry.getKey(), entry.getValue());
}
public int size() {
......@@ -610,7 +610,7 @@ public class EnumMap<K extends Enum<K>, V> extends AbstractMap<K, V>
if (!(o instanceof Map.Entry))
return false;
Map.Entry e = (Map.Entry)o;
Map.Entry<?,?> e = (Map.Entry<?,?>)o;
V ourValue = unmaskNull(vals[index]);
Object hisValue = e.getValue();
return (e.getKey() == keyUniverse[index] &&
......@@ -655,11 +655,11 @@ public class EnumMap<K extends Enum<K>, V> extends AbstractMap<K, V>
if (this == o)
return true;
if (o instanceof EnumMap)
return equals((EnumMap)o);
return equals((EnumMap<?,?>)o);
if (!(o instanceof Map))
return false;
Map<K,V> m = (Map<K,V>)o;
Map<?,?> m = (Map<?,?>)o;
if (size != m.size())
return false;
......@@ -680,7 +680,7 @@ public class EnumMap<K extends Enum<K>, V> extends AbstractMap<K, V>
return true;
}
private boolean equals(EnumMap em) {
private boolean equals(EnumMap<?,?> em) {
if (em.keyType != keyType)
return size == 0 && em.size == 0;
......@@ -721,6 +721,7 @@ public class EnumMap<K extends Enum<K>, V> extends AbstractMap<K, V>
*
* @return a shallow copy of this enum map
*/
@SuppressWarnings("unchecked")
public EnumMap<K, V> clone() {
EnumMap<K, V> result = null;
try {
......@@ -736,7 +737,7 @@ public class EnumMap<K extends Enum<K>, V> extends AbstractMap<K, V>
* Throws an exception if e is not of the correct type for this enum set.
*/
private void typeCheck(K key) {
Class keyClass = key.getClass();
Class<?> keyClass = key.getClass();
if (keyClass != keyType && keyClass.getSuperclass() != keyType)
throw new ClassCastException(keyClass + " != " + keyType);
}
......@@ -785,6 +786,7 @@ public class EnumMap<K extends Enum<K>, V> extends AbstractMap<K, V>
* Reconstitute the <tt>EnumMap</tt> instance from a stream (i.e.,
* deserialize it).
*/
@SuppressWarnings("unchecked")
private void readObject(java.io.ObjectInputStream s)
throws java.io.IOException, ClassNotFoundException
{
......
src/share/classes/java/util/EnumSet.java
浏览文件 @ 1a559f15
......@@ -88,11 +88,11 @@ public abstract class EnumSet<E extends Enum<E>> extends AbstractSet<E>
/**
* All of the values comprising T. (Cached for performance.)
*/
final Enum[] universe;
final Enum<?>[] universe;
private static Enum[] ZERO_LENGTH_ENUM_ARRAY = new Enum[0];
private static Enum<?>[] ZERO_LENGTH_ENUM_ARRAY = new Enum<?>[0];
EnumSet(Class<E>elementType, Enum[] universe) {
EnumSet(Class<E>elementType, Enum<?>[] universe) {
this.elementType = elementType;
this.universe = universe;
}
......@@ -105,7 +105,7 @@ public abstract class EnumSet<E extends Enum<E>> extends AbstractSet<E>
* @throws NullPointerException if <tt>elementType</tt> is null
*/
public static <E extends Enum<E>> EnumSet<E> noneOf(Class<E> elementType) {
Enum[] universe = getUniverse(elementType);
Enum<?>[] universe = getUniverse(elementType);
if (universe == null)
throw new ClassCastException(elementType + " not an enum");
......@@ -358,6 +358,7 @@ public abstract class EnumSet<E extends Enum<E>> extends AbstractSet<E>
*
* @return a copy of this set
*/
@SuppressWarnings("unchecked")
public EnumSet<E> clone() {
try {
return (EnumSet<E>) super.clone();
......@@ -375,7 +376,7 @@ public abstract class EnumSet<E extends Enum<E>> extends AbstractSet<E>
* Throws an exception if e is not of the correct type for this enum set.
*/
final void typeCheck(E e) {
Class eClass = e.getClass();
Class<?> eClass = e.getClass();
if (eClass != elementType && eClass.getSuperclass() != elementType)
throw new ClassCastException(eClass + " != " + elementType);
}
......@@ -413,16 +414,19 @@ public abstract class EnumSet<E extends Enum<E>> extends AbstractSet<E>
*
* @serial
*/
private final Enum[] elements;
private final Enum<?>[] elements;
SerializationProxy(EnumSet<E> set) {
elementType = set.elementType;
elements = set.toArray(ZERO_LENGTH_ENUM_ARRAY);
}
// instead of cast to E, we should perhaps use elementType.cast()
// to avoid injection of forged stream, but it will slow the implementation
@SuppressWarnings("unchecked")
private Object readResolve() {
EnumSet<E> result = EnumSet.noneOf(elementType);
for (Enum e : elements)
for (Enum<?> e : elements)
result.add((E)e);
return result;
}
......
src/share/classes/java/util/HashMap.java
浏览文件 @ 1a559f15
......@@ -146,7 +146,7 @@ public class HashMap<K,V>
/**
* The table, resized as necessary. Length MUST Always be a power of two.
*/
transient Entry[] table;
transient Entry<?,?>[] table;
/**
* The number of key-value mappings contained in this map.
......@@ -311,16 +311,17 @@ public class HashMap<K,V>
*
* @see #put(Object, Object)
*/
@SuppressWarnings("unchecked")
public V get(Object key) {
if (key == null)
return getForNullKey();
return (V)getForNullKey();
int hash = hash(key.hashCode());
for (Entry<K,V> e = table[indexFor(hash, table.length)];
for (Entry<?,?> e = table[indexFor(hash, table.length)];
e != null;
e = e.next) {
Object k;
if (e.hash == hash && ((k = e.key) == key || key.equals(k)))
return e.value;
return (V)e.value;
}
return null;
}
......@@ -332,8 +333,8 @@ public class HashMap<K,V>
* operations (get and put), but incorporated with conditionals in
* others.
*/
private V getForNullKey() {
for (Entry<K,V> e = table[0]; e != null; e = e.next) {
private Object getForNullKey() {
for (Entry<?,?> e = table[0]; e != null; e = e.next) {
if (e.key == null)
return e.value;
}
......@@ -357,15 +358,16 @@ public class HashMap<K,V>
* HashMap. Returns null if the HashMap contains no mapping
* for the key.
*/
@SuppressWarnings("unchecked")
final Entry<K,V> getEntry(Object key) {
int hash = (key == null) ? 0 : hash(key.hashCode());
for (Entry<K,V> e = table[indexFor(hash, table.length)];
for (Entry<?,?> e = table[indexFor(hash, table.length)];
e != null;
e = e.next) {
Object k;
if (e.hash == hash &&
((k = e.key) == key || (key != null && key.equals(k))))
return e;
return (Entry<K,V>)e;
}
return null;
}
......@@ -388,7 +390,9 @@ public class HashMap<K,V>
return putForNullKey(value);
int hash = hash(key.hashCode());
int i = indexFor(hash, table.length);
for (Entry<K,V> e = table[i]; e != null; e = e.next) {
@SuppressWarnings("unchecked")
Entry<K,V> e = (Entry<K,V>)table[i];
for(; e != null; e = e.next) {
Object k;
if (e.hash == hash && ((k = e.key) == key || key.equals(k))) {
V oldValue = e.value;
......@@ -407,7 +411,9 @@ public class HashMap<K,V>
* Offloaded version of put for null keys
*/
private V putForNullKey(V value) {
for (Entry<K,V> e = table[0]; e != null; e = e.next) {
@SuppressWarnings("unchecked")
Entry<K,V> e = (Entry<K,V>)table[0];
for(; e != null; e = e.next) {
if (e.key == null) {
V oldValue = e.value;
e.value = value;
......@@ -435,7 +441,8 @@ public class HashMap<K,V>
* clone or deserialize. It will only happen for construction if the
* input Map is a sorted map whose ordering is inconsistent w/ equals.
*/
for (Entry<K,V> e = table[i]; e != null; e = e.next) {
for (@SuppressWarnings("unchecked")
Entry<?,V> e = (Entry<?,V>)table[i]; e != null; e = e.next) {
Object k;
if (e.hash == hash &&
((k = e.key) == key || (key != null && key.equals(k)))) {
......@@ -467,14 +474,14 @@ public class HashMap<K,V>
* is irrelevant).
*/
void resize(int newCapacity) {
Entry[] oldTable = table;
Entry<?,?>[] oldTable = table;
int oldCapacity = oldTable.length;
if (oldCapacity == MAXIMUM_CAPACITY) {
threshold = Integer.MAX_VALUE;
return;
}
Entry[] newTable = new Entry[newCapacity];
Entry<?,?>[] newTable = new Entry<?,?>[newCapacity];
transfer(newTable);
table = newTable;
threshold = (int)(newCapacity * loadFactor);
......@@ -483,17 +490,18 @@ public class HashMap<K,V>
/**
* Transfers all entries from current table to newTable.
*/
void transfer(Entry[] newTable) {
Entry[] src = table;
@SuppressWarnings("unchecked")
void transfer(Entry<?,?>[] newTable) {
Entry<?,?>[] src = table;
int newCapacity = newTable.length;
for (int j = 0; j < src.length; j++) {
Entry<K,V> e = src[j];
Entry<K,V> e = (Entry<K,V>)src[j];
if (e != null) {
src[j] = null;
do {
Entry<K,V> next = e.next;
int i = indexFor(e.hash, newCapacity);
e.next = newTable[i];
e.next = (Entry<K,V>)newTable[i];
newTable[i] = e;
e = next;
} while (e != null);
......@@ -560,7 +568,8 @@ public class HashMap<K,V>
final Entry<K,V> removeEntryForKey(Object key) {
int hash = (key == null) ? 0 : hash(key.hashCode());
int i = indexFor(hash, table.length);
Entry<K,V> prev = table[i];
@SuppressWarnings("unchecked")
Entry<K,V> prev = (Entry<K,V>)table[i];
Entry<K,V> e = prev;
while (e != null) {
......@@ -591,11 +600,12 @@ public class HashMap<K,V>
if (!(o instanceof Map.Entry))
return null;
Map.Entry<K,V> entry = (Map.Entry<K,V>) o;
Map.Entry<?,?> entry = (Map.Entry<?,?>) o;
Object key = entry.getKey();
int hash = (key == null) ? 0 : hash(key.hashCode());
int i = indexFor(hash, table.length);
Entry<K,V> prev = table[i];
@SuppressWarnings("unchecked")
Entry<K,V> prev = (Entry<K,V>)table[i];
Entry<K,V> e = prev;
while (e != null) {
......@@ -623,7 +633,7 @@ public class HashMap<K,V>
*/
public void clear() {
modCount++;
Entry[] tab = table;
Entry<?,?>[] tab = table;
for (int i = 0; i < tab.length; i++)
tab[i] = null;
size = 0;
......@@ -641,9 +651,9 @@ public class HashMap<K,V>
if (value == null)
return containsNullValue();
Entry[] tab = table;
Entry<?,?>[] tab = table;
for (int i = 0; i < tab.length ; i++)
for (Entry e = tab[i] ; e != null ; e = e.next)
for (Entry<?,?> e = tab[i] ; e != null ; e = e.next)
if (value.equals(e.value))
return true;
return false;
......@@ -653,9 +663,9 @@ public class HashMap<K,V>
* Special-case code for containsValue with null argument
*/
private boolean containsNullValue() {
Entry[] tab = table;
Entry<?,?>[] tab = table;
for (int i = 0; i < tab.length ; i++)
for (Entry e = tab[i] ; e != null ; e = e.next)
for (Entry<?,?> e = tab[i] ; e != null ; e = e.next)
if (e.value == null)
return true;
return false;
......@@ -667,6 +677,7 @@ public class HashMap<K,V>
*
* @return a shallow copy of this map
*/
@SuppressWarnings("unchecked")
public Object clone() {
HashMap<K,V> result = null;
try {
......@@ -674,7 +685,7 @@ public class HashMap<K,V>
} catch (CloneNotSupportedException e) {
// assert false;
}
result.table = new Entry[table.length];
result.table = new Entry<?,?>[table.length];
result.entrySet = null;
result.modCount = 0;
result.size = 0;
......@@ -717,7 +728,7 @@ public class HashMap<K,V>
public final boolean equals(Object o) {
if (!(o instanceof Map.Entry))
return false;
Map.Entry e = (Map.Entry)o;
Map.Entry<?,?> e = (Map.Entry<?,?>)o;
Object k1 = getKey();
Object k2 = e.getKey();
if (k1 == k2 || (k1 != null && k1.equals(k2))) {
......@@ -762,7 +773,8 @@ public class HashMap<K,V>
* Subclass overrides this to alter the behavior of put method.
*/
void addEntry(int hash, K key, V value, int bucketIndex) {
Entry<K,V> e = table[bucketIndex];
@SuppressWarnings("unchecked")
Entry<K,V> e = (Entry<K,V>)table[bucketIndex];
table[bucketIndex] = new Entry<>(hash, key, value, e);
if (size++ >= threshold)
resize(2 * table.length);
......@@ -777,21 +789,22 @@ public class HashMap<K,V>
* clone, and readObject.
*/
void createEntry(int hash, K key, V value, int bucketIndex) {
Entry<K,V> e = table[bucketIndex];
@SuppressWarnings("unchecked")
Entry<K,V> e = (Entry<K,V>)table[bucketIndex];
table[bucketIndex] = new Entry<>(hash, key, value, e);
size++;
}
private abstract class HashIterator<E> implements Iterator<E> {
Entry<K,V> next; // next entry to return
Entry<?,?> next; // next entry to return
int expectedModCount; // For fast-fail
int index; // current slot
Entry<K,V> current; // current entry
Entry<?,?> current; // current entry
HashIterator() {
expectedModCount = modCount;
if (size > 0) { // advance to first entry
Entry[] t = table;
Entry<?,?>[] t = table;
while (index < t.length && (next = t[index++]) == null)
;
}
......@@ -801,20 +814,21 @@ public class HashMap<K,V>
return next != null;
}
@SuppressWarnings("unchecked")
final Entry<K,V> nextEntry() {
if (modCount != expectedModCount)
throw new ConcurrentModificationException();
Entry<K,V> e = next;
Entry<?,?> e = next;
if (e == null)
throw new NoSuchElementException();
if ((next = e.next) == null) {
Entry[] t = table;
Entry<?,?>[] t = table;
while (index < t.length && (next = t[index++]) == null)
;
}
current = e;
return e;
return (Entry<K,V>)e;
}
public void remove() {
......@@ -965,7 +979,7 @@ public class HashMap<K,V>
public boolean contains(Object o) {
if (!(o instanceof Map.Entry))
return false;
Map.Entry<K,V> e = (Map.Entry<K,V>) o;
Map.Entry<?,?> e = (Map.Entry<?,?>) o;
Entry<K,V> candidate = getEntry(e.getKey());
return candidate != null && candidate.equals(e);
}
......@@ -1039,8 +1053,10 @@ public class HashMap<K,V>
// Read the keys and values, and put the mappings in the HashMap
for (int i=0; i<size; i++) {
K key = (K) s.readObject();
V value = (V) s.readObject();
@SuppressWarnings("unchecked")
K key = (K) s.readObject();
@SuppressWarnings("unchecked")
V value = (V) s.readObject();
putForCreate(key, value);
}
}
......
src/share/classes/java/util/HashSet.java
浏览文件 @ 1a559f15
......@@ -247,6 +247,7 @@ public class HashSet<E>
*
* @return a shallow copy of this set
*/
@SuppressWarnings("unchecked")
public Object clone() {
try {
HashSet<E> newSet = (HashSet<E>) super.clone();
......@@ -296,7 +297,7 @@ public class HashSet<E>
// Read in HashMap capacity and load factor and create backing HashMap
int capacity = s.readInt();
float loadFactor = s.readFloat();
map = (((HashSet)this) instanceof LinkedHashSet ?
map = (((HashSet<?>)this) instanceof LinkedHashSet ?
new LinkedHashMap<E,Object>(capacity, loadFactor) :
new HashMap<E,Object>(capacity, loadFactor));
......@@ -305,7 +306,8 @@ public class HashSet<E>
// Read in all elements in the proper order.
for (int i=0; i<size; i++) {
E e = (E) s.readObject();
@SuppressWarnings("unchecked")
E e = (E) s.readObject();
map.put(e, PRESENT);
}
}
......
src/share/classes/java/util/Hashtable.java
浏览文件 @ 1a559f15
......@@ -129,7 +129,7 @@ public class Hashtable<K,V>
/**
* The hash table data.
*/
private transient Entry[] table;
private transient Entry<?,?>[] table;
/**
* The total number of entries in the hash table.
......@@ -182,7 +182,7 @@ public class Hashtable<K,V>
if (initialCapacity==0)
initialCapacity = 1;
this.loadFactor = loadFactor;
table = new Entry[initialCapacity];
table = new Entry<?,?>[initialCapacity];
threshold = (int)(initialCapacity * loadFactor);
}
......@@ -288,9 +288,9 @@ public class Hashtable<K,V>
throw new NullPointerException();
}
Entry tab[] = table;
Entry<?,?> tab[] = table;
for (int i = tab.length ; i-- > 0 ;) {
for (Entry<K,V> e = tab[i] ; e != null ; e = e.next) {
for (Entry<?,?> e = tab[i] ; e != null ; e = e.next) {
if (e.value.equals(value)) {
return true;
}
......@@ -326,10 +326,10 @@ public class Hashtable<K,V>
* @see #contains(Object)
*/
public synchronized boolean containsKey(Object key) {
Entry tab[] = table;
Entry<?,?> tab[] = table;
int hash = key.hashCode();
int index = (hash & 0x7FFFFFFF) % tab.length;
for (Entry<K,V> e = tab[index] ; e != null ; e = e.next) {
for (Entry<?,?> e = tab[index] ; e != null ; e = e.next) {
if ((e.hash == hash) && e.key.equals(key)) {
return true;
}
......@@ -352,13 +352,14 @@ public class Hashtable<K,V>
* @throws NullPointerException if the specified key is null
* @see #put(Object, Object)
*/
@SuppressWarnings("unchecked")
public synchronized V get(Object key) {
Entry tab[] = table;
Entry<?,?> tab[] = table;
int hash = key.hashCode();
int index = (hash & 0x7FFFFFFF) % tab.length;
for (Entry<K,V> e = tab[index] ; e != null ; e = e.next) {
for (Entry<?,?> e = tab[index] ; e != null ; e = e.next) {
if ((e.hash == hash) && e.key.equals(key)) {
return e.value;
return (V)e.value;
}
}
return null;
......@@ -379,9 +380,10 @@ public class Hashtable<K,V>
* number of keys in the hashtable exceeds this hashtable's capacity
* and load factor.
*/
@SuppressWarnings("unchecked")
protected void rehash() {
int oldCapacity = table.length;
Entry[] oldMap = table;
Entry<?,?>[] oldMap = table;
// overflow-conscious code
int newCapacity = (oldCapacity << 1) + 1;
......@@ -391,19 +393,19 @@ public class Hashtable<K,V>
return;
newCapacity = MAX_ARRAY_SIZE;
}
Entry[] newMap = new Entry[newCapacity];
Entry<?,?>[] newMap = new Entry<?,?>[newCapacity];
modCount++;
threshold = (int)(newCapacity * loadFactor);
table = newMap;
for (int i = oldCapacity ; i-- > 0 ;) {
for (Entry<K,V> old = oldMap[i] ; old != null ; ) {
for (Entry<K,V> old = (Entry<K,V>)oldMap[i] ; old != null ; ) {
Entry<K,V> e = old;
old = old.next;
int index = (e.hash & 0x7FFFFFFF) % newCapacity;
e.next = newMap[index];
e.next = (Entry<K,V>)newMap[index];
newMap[index] = e;
}
}
......@@ -433,13 +435,15 @@ public class Hashtable<K,V>
}
// Makes sure the key is not already in the hashtable.
Entry tab[] = table;
Entry<?,?> tab[] = table;
int hash = key.hashCode();
int index = (hash & 0x7FFFFFFF) % tab.length;
for (Entry<K,V> e = tab[index] ; e != null ; e = e.next) {
if ((e.hash == hash) && e.key.equals(key)) {
V old = e.value;
e.value = value;
@SuppressWarnings("unchecked")
Entry<K,V> entry = (Entry<K,V>)tab[index];
for(; entry != null ; entry = entry.next) {
if ((entry.hash == hash) && entry.key.equals(key)) {
V old = entry.value;
entry.value = value;
return old;
}
}
......@@ -454,7 +458,8 @@ public class Hashtable<K,V>
}
// Creates the new entry.
Entry<K,V> e = tab[index];
@SuppressWarnings("unchecked")
Entry<K,V> e = (Entry<K,V>)tab[index];
tab[index] = new Entry<>(hash, key, value, e);
count++;
return null;
......@@ -470,10 +475,12 @@ public class Hashtable<K,V>
* @throws NullPointerException if the key is <code>null</code>
*/
public synchronized V remove(Object key) {
Entry tab[] = table;
Entry<?,?> tab[] = table;
int hash = key.hashCode();
int index = (hash & 0x7FFFFFFF) % tab.length;
for (Entry<K,V> e = tab[index], prev = null ; e != null ; prev = e, e = e.next) {
@SuppressWarnings("unchecked")
Entry<K,V> e = (Entry<K,V>)tab[index];
for(Entry<K,V> prev = null ; e != null ; prev = e, e = e.next) {
if ((e.hash == hash) && e.key.equals(key)) {
modCount++;
if (prev != null) {
......@@ -508,7 +515,7 @@ public class Hashtable<K,V>
* Clears this hashtable so that it contains no keys.
*/
public synchronized void clear() {
Entry tab[] = table;
Entry<?,?> tab[] = table;
modCount++;
for (int index = tab.length; --index >= 0; )
tab[index] = null;
......@@ -524,11 +531,11 @@ public class Hashtable<K,V>
*/
public synchronized Object clone() {
try {
Hashtable<K,V> t = (Hashtable<K,V>) super.clone();
t.table = new Entry[table.length];
Hashtable<?,?> t = (Hashtable<?,?>)super.clone();
t.table = new Entry<?,?>[table.length];
for (int i = table.length ; i-- > 0 ; ) {
t.table[i] = (table[i] != null)
? (Entry<K,V>) table[i].clone() : null;
? (Entry<?,?>) table[i].clone() : null;
}
t.keySet = null;
t.entrySet = null;
......@@ -675,13 +682,13 @@ public class Hashtable<K,V>
public boolean contains(Object o) {
if (!(o instanceof Map.Entry))
return false;
Map.Entry entry = (Map.Entry)o;
Map.Entry<?,?> entry = (Map.Entry<?,?>)o;
Object key = entry.getKey();
Entry[] tab = table;
Entry<?,?>[] tab = table;
int hash = key.hashCode();
int index = (hash & 0x7FFFFFFF) % tab.length;
for (Entry e = tab[index]; e != null; e = e.next)
for (Entry<?,?> e = tab[index]; e != null; e = e.next)
if (e.hash==hash && e.equals(entry))
return true;
return false;
......@@ -690,14 +697,15 @@ public class Hashtable<K,V>
public boolean remove(Object o) {
if (!(o instanceof Map.Entry))
return false;
Map.Entry<K,V> entry = (Map.Entry<K,V>) o;
K key = entry.getKey();
Entry[] tab = table;
Map.Entry<?,?> entry = (Map.Entry<?,?>) o;
Object key = entry.getKey();
Entry<?,?>[] tab = table;
int hash = key.hashCode();
int index = (hash & 0x7FFFFFFF) % tab.length;
for (Entry<K,V> e = tab[index], prev = null; e != null;
prev = e, e = e.next) {
@SuppressWarnings("unchecked")
Entry<K,V> e = (Entry<K,V>)tab[index];
for(Entry<K,V> prev = null; e != null; prev = e, e = e.next) {
if (e.hash==hash && e.equals(entry)) {
modCount++;
if (prev != null)
......@@ -776,7 +784,7 @@ public class Hashtable<K,V>
if (!(o instanceof Map))
return false;
Map<K,V> t = (Map<K,V>) o;
Map<?,?> t = (Map<?,?>) o;
if (t.size() != size())
return false;
......@@ -826,9 +834,9 @@ public class Hashtable<K,V>
return h; // Returns zero
loadFactor = -loadFactor; // Mark hashCode computation in progress
Entry[] tab = table;
Entry<?,?>[] tab = table;
for (int i = 0; i < tab.length; i++)
for (Entry e = tab[i]; e != null; e = e.next)
for (Entry<?,?> e = tab[i]; e != null; e = e.next)
h += e.key.hashCode() ^ e.value.hashCode();
loadFactor = -loadFactor; // Mark hashCode computation complete
......@@ -859,7 +867,7 @@ public class Hashtable<K,V>
// Stack copies of the entries in the table
for (int index = 0; index < table.length; index++) {
Entry entry = table[index];
Entry<?,?> entry = table[index];
while (entry != null) {
entryStack =
......@@ -899,14 +907,15 @@ public class Hashtable<K,V>
length--;
if (origlength > 0 && length > origlength)
length = origlength;
Entry[] table = new Entry[length];
Entry<?,?>[] table = new Entry<?,?>[length];
count = 0;
// Read the number of elements and then all the key/value objects
for (; elements > 0; elements--) {
K key = (K)s.readObject();
V value = (V)s.readObject();
@SuppressWarnings("unchecked")
K key = (K)s.readObject();
@SuppressWarnings("unchecked")
V value = (V)s.readObject();
// synch could be eliminated for performance
reconstitutionPut(table, key, value);
}
......@@ -924,7 +933,7 @@ public class Hashtable<K,V>
* because we are creating a new instance. Also, no return value
* is needed.
*/
private void reconstitutionPut(Entry[] tab, K key, V value)
private void reconstitutionPut(Entry<?,?>[] tab, K key, V value)
throws StreamCorruptedException
{
if (value == null) {
......@@ -934,13 +943,14 @@ public class Hashtable<K,V>
// This should not happen in deserialized version.
int hash = key.hashCode();
int index = (hash & 0x7FFFFFFF) % tab.length;
for (Entry<K,V> e = tab[index] ; e != null ; e = e.next) {
for (Entry<?,?> e = tab[index] ; e != null ; e = e.next) {
if ((e.hash == hash) && e.key.equals(key)) {
throw new java.io.StreamCorruptedException();
}
}
// Creates the new entry.
Entry<K,V> e = tab[index];
@SuppressWarnings("unchecked")
Entry<K,V> e = (Entry<K,V>)tab[index];
tab[index] = new Entry<>(hash, key, value, e);
count++;
}
......@@ -961,6 +971,7 @@ public class Hashtable<K,V>
this.next = next;
}
@SuppressWarnings("unchecked")
protected Object clone() {
return new Entry<>(hash, key, value,
(next==null ? null : (Entry<K,V>) next.clone()));
......@@ -988,7 +999,7 @@ public class Hashtable<K,V>
public boolean equals(Object o) {
if (!(o instanceof Map.Entry))
return false;
Map.Entry e = (Map.Entry)o;
Map.Entry<?,?> e = (Map.Entry<?,?>)o;
return (key==null ? e.getKey()==null : key.equals(e.getKey())) &&
(value==null ? e.getValue()==null : value.equals(e.getValue()));
......@@ -1016,10 +1027,10 @@ public class Hashtable<K,V>
* by passing an Enumeration.
*/
private class Enumerator<T> implements Enumeration<T>, Iterator<T> {
Entry[] table = Hashtable.this.table;
Entry<?,?>[] table = Hashtable.this.table;
int index = table.length;
Entry<K,V> entry = null;
Entry<K,V> lastReturned = null;
Entry<?,?> entry = null;
Entry<?,?> lastReturned = null;
int type;
/**
......@@ -1041,9 +1052,9 @@ public class Hashtable<K,V>
}
public boolean hasMoreElements() {
Entry<K,V> e = entry;
Entry<?,?> e = entry;
int i = index;
Entry[] t = table;
Entry<?,?>[] t = table;
/* Use locals for faster loop iteration */
while (e == null && i > 0) {
e = t[--i];
......@@ -1053,10 +1064,11 @@ public class Hashtable<K,V>
return e != null;
}
@SuppressWarnings("unchecked")
public T nextElement() {
Entry<K,V> et = entry;
Entry<?,?> et = entry;
int i = index;
Entry[] t = table;
Entry<?,?>[] t = table;
/* Use locals for faster loop iteration */
while (et == null && i > 0) {
et = t[--i];
......@@ -1064,7 +1076,7 @@ public class Hashtable<K,V>
entry = et;
index = i;
if (et != null) {
Entry<K,V> e = lastReturned = entry;
Entry<?,?> e = lastReturned = entry;
entry = e.next;
return type == KEYS ? (T)e.key : (type == VALUES ? (T)e.value : (T)e);
}
......@@ -1091,11 +1103,12 @@ public class Hashtable<K,V>
throw new ConcurrentModificationException();
synchronized(Hashtable.this) {
Entry[] tab = Hashtable.this.table;
Entry<?,?>[] tab = Hashtable.this.table;
int index = (lastReturned.hash & 0x7FFFFFFF) % tab.length;
for (Entry<K,V> e = tab[index], prev = null; e != null;
prev = e, e = e.next) {
@SuppressWarnings("unchecked")
Entry<K,V> e = (Entry<K,V>)tab[index];
for(Entry<K,V> prev = null; e != null; prev = e, e = e.next) {
if (e == lastReturned) {
modCount++;
expectedModCount++;
......
src/share/classes/java/util/IdentityHashMap.java
浏览文件 @ 1a559f15
......@@ -327,6 +327,7 @@ public class IdentityHashMap<K,V>
*
* @see #put(Object, Object)
*/
@SuppressWarnings("unchecked")
public V get(Object key) {
Object k = maskNull(key);
Object[] tab = table;
......@@ -431,7 +432,8 @@ public class IdentityHashMap<K,V>
Object item;
while ( (item = tab[i]) != null) {
if (item == k) {
V oldValue = (V) tab[i + 1];
@SuppressWarnings("unchecked")
V oldValue = (V) tab[i + 1];
tab[i + 1] = value;
return oldValue;
}
......@@ -524,7 +526,8 @@ public class IdentityHashMap<K,V>
if (item == k) {
modCount++;
size--;
V oldValue = (V) tab[i + 1];
@SuppressWarnings("unchecked")
V oldValue = (V) tab[i + 1];
tab[i + 1] = null;
tab[i] = null;
closeDeletion(i);
......@@ -638,7 +641,7 @@ public class IdentityHashMap<K,V>
if (o == this) {
return true;
} else if (o instanceof IdentityHashMap) {
IdentityHashMap m = (IdentityHashMap) o;
IdentityHashMap<?,?> m = (IdentityHashMap<?,?>) o;
if (m.size() != size)
return false;
......@@ -650,7 +653,7 @@ public class IdentityHashMap<K,V>
}
return true;
} else if (o instanceof Map) {
Map m = (Map)o;
Map<?,?> m = (Map<?,?>)o;
return entrySet().equals(m.entrySet());
} else {
return false; // o is not a Map
......@@ -698,7 +701,7 @@ public class IdentityHashMap<K,V>
*/
public Object clone() {
try {
IdentityHashMap<K,V> m = (IdentityHashMap<K,V>) super.clone();
IdentityHashMap<?,?> m = (IdentityHashMap<?,?>) super.clone();
m.entrySet = null;
m.table = table.clone();
return m;
......@@ -768,7 +771,7 @@ public class IdentityHashMap<K,V>
int len = tab.length;
int d = deletedSlot;
K key = (K) tab[d];
Object key = tab[d];
tab[d] = null; // vacate the slot
tab[d + 1] = null;
......@@ -818,12 +821,14 @@ public class IdentityHashMap<K,V>
}
private class KeyIterator extends IdentityHashMapIterator<K> {
@SuppressWarnings("unchecked")
public K next() {
return (K) unmaskNull(traversalTable[nextIndex()]);
}
}
private class ValueIterator extends IdentityHashMapIterator<V> {
@SuppressWarnings("unchecked")
public V next() {
return (V) traversalTable[nextIndex() + 1];
}
......@@ -854,16 +859,19 @@ public class IdentityHashMap<K,V>
this.index = index;
}
@SuppressWarnings("unchecked")
public K getKey() {
checkIndexForEntryUse();
return (K) unmaskNull(traversalTable[index]);
}
@SuppressWarnings("unchecked")
public V getValue() {
checkIndexForEntryUse();
return (V) traversalTable[index+1];
}
@SuppressWarnings("unchecked")
public V setValue(V value) {
checkIndexForEntryUse();
V oldValue = (V) traversalTable[index+1];
......@@ -880,7 +888,7 @@ public class IdentityHashMap<K,V>
if (!(o instanceof Map.Entry))
return false;
Map.Entry e = (Map.Entry)o;
Map.Entry<?,?> e = (Map.Entry<?,?>)o;
return (e.getKey() == unmaskNull(traversalTable[index]) &&
e.getValue() == traversalTable[index+1]);
}
......@@ -1109,13 +1117,13 @@ public class IdentityHashMap<K,V>
public boolean contains(Object o) {
if (!(o instanceof Map.Entry))
return false;
Map.Entry entry = (Map.Entry)o;
Map.Entry<?,?> entry = (Map.Entry<?,?>)o;
return containsMapping(entry.getKey(), entry.getValue());
}
public boolean remove(Object o) {
if (!(o instanceof Map.Entry))
return false;
Map.Entry entry = (Map.Entry)o;
Map.Entry<?,?> entry = (Map.Entry<?,?>)o;
return removeMapping(entry.getKey(), entry.getValue());
}
public int size() {
......@@ -1213,8 +1221,10 @@ public class IdentityHashMap<K,V>
// Read the keys and values, and put the mappings in the table
for (int i=0; i<size; i++) {
K key = (K) s.readObject();
V value = (V) s.readObject();
@SuppressWarnings("unchecked")
K key = (K) s.readObject();
@SuppressWarnings("unchecked")
V value = (V) s.readObject();
putForCreate(key, value);
}
}
......@@ -1226,7 +1236,7 @@ public class IdentityHashMap<K,V>
private void putForCreate(K key, V value)
throws IOException
{
K k = (K)maskNull(key);
Object k = maskNull(key);
Object[] tab = table;
int len = tab.length;
int i = hash(k, len);
......
src/share/classes/java/util/IllegalFormatConversionException.java
浏览文件 @ 1a559f15
......@@ -40,7 +40,7 @@ public class IllegalFormatConversionException extends IllegalFormatException {
private static final long serialVersionUID = 17000126L;
private char c;
private Class arg;
private Class<?> arg;
/**
* Constructs an instance of this class with the mismatched conversion and
......
src/share/classes/java/util/JumboEnumSet.java
浏览文件 @ 1a559f15
......@@ -46,7 +46,7 @@ class JumboEnumSet<E extends Enum<E>> extends EnumSet<E> {
// Redundant - maintained for performance
private int size = 0;
JumboEnumSet(Class<E>elementType, Enum[] universe) {
JumboEnumSet(Class<E>elementType, Enum<?>[] universe) {
super(elementType, universe);
elements = new long[(universe.length + 63) >>> 6];
}
......@@ -127,6 +127,7 @@ class JumboEnumSet<E extends Enum<E>> extends EnumSet<E> {
return unseen != 0;
}
@Override
public E next() {
if (!hasNext())
throw new NoSuchElementException();
......@@ -176,11 +177,11 @@ class JumboEnumSet<E extends Enum<E>> extends EnumSet<E> {
public boolean contains(Object e) {
if (e == null)
return false;
Class eClass = e.getClass();
Class<?> eClass = e.getClass();
if (eClass != elementType && eClass.getSuperclass() != elementType)
return false;
int eOrdinal = ((Enum)e).ordinal();
int eOrdinal = ((Enum<?>)e).ordinal();
return (elements[eOrdinal >>> 6] & (1L << eOrdinal)) != 0;
}
......@@ -217,10 +218,10 @@ class JumboEnumSet<E extends Enum<E>> extends EnumSet<E> {
public boolean remove(Object e) {
if (e == null)
return false;
Class eClass = e.getClass();
Class<?> eClass = e.getClass();
if (eClass != elementType && eClass.getSuperclass() != elementType)
return false;
int eOrdinal = ((Enum)e).ordinal();
int eOrdinal = ((Enum<?>)e).ordinal();
int eWordNum = eOrdinal >>> 6;
long oldElements = elements[eWordNum];
......@@ -246,7 +247,7 @@ class JumboEnumSet<E extends Enum<E>> extends EnumSet<E> {
if (!(c instanceof JumboEnumSet))
return super.containsAll(c);
JumboEnumSet es = (JumboEnumSet)c;
JumboEnumSet<?> es = (JumboEnumSet<?>)c;
if (es.elementType != elementType)
return es.isEmpty();
......@@ -268,7 +269,7 @@ class JumboEnumSet<E extends Enum<E>> extends EnumSet<E> {
if (!(c instanceof JumboEnumSet))
return super.addAll(c);
JumboEnumSet es = (JumboEnumSet)c;
JumboEnumSet<?> es = (JumboEnumSet<?>)c;
if (es.elementType != elementType) {
if (es.isEmpty())
return false;
......@@ -294,7 +295,7 @@ class JumboEnumSet<E extends Enum<E>> extends EnumSet<E> {
if (!(c instanceof JumboEnumSet))
return super.removeAll(c);
JumboEnumSet es = (JumboEnumSet)c;
JumboEnumSet<?> es = (JumboEnumSet<?>)c;
if (es.elementType != elementType)
return false;
......@@ -348,7 +349,7 @@ class JumboEnumSet<E extends Enum<E>> extends EnumSet<E> {
if (!(o instanceof JumboEnumSet))
return super.equals(o);
JumboEnumSet es = (JumboEnumSet)o;
JumboEnumSet<?> es = (JumboEnumSet<?>)o;
if (es.elementType != elementType)
return size == 0 && es.size == 0;
......
src/share/classes/java/util/LinkedHashMap.java
浏览文件 @ 1a559f15
......@@ -246,11 +246,12 @@ public class LinkedHashMap<K,V>
* by superclass resize. It is overridden for performance, as it is
* faster to iterate using our linked list.
*/
@SuppressWarnings("unchecked")
void transfer(HashMap.Entry[] newTable) {
int newCapacity = newTable.length;
for (Entry<K,V> e = header.after; e != header; e = e.after) {
int index = indexFor(e.hash, newCapacity);
e.next = newTable[index];
e.next = (HashMap.Entry<K,V>)newTable[index];
newTable[index] = e;
}
}
......@@ -267,11 +268,11 @@ public class LinkedHashMap<K,V>
public boolean containsValue(Object value) {
// Overridden to take advantage of faster iterator
if (value==null) {
for (Entry e = header.after; e != header; e = e.after)
for (Entry<?,?> e = header.after; e != header; e = e.after)
if (e.value==null)
return true;
} else {
for (Entry e = header.after; e != header; e = e.after)
for (Entry<?,?> e = header.after; e != header; e = e.after)
if (value.equals(e.value))
return true;
}
......@@ -437,7 +438,8 @@ public class LinkedHashMap<K,V>
* table or remove the eldest entry.
*/
void createEntry(int hash, K key, V value, int bucketIndex) {
HashMap.Entry<K,V> old = table[bucketIndex];
@SuppressWarnings("unchecked")
HashMap.Entry<K,V> old = (HashMap.Entry<K,V>)table[bucketIndex];
Entry<K,V> e = new Entry<>(hash, key, value, old);
table[bucketIndex] = e;
e.addBefore(header);
......
src/share/classes/java/util/Observable.java
浏览文件 @ 1a559f15
......@@ -61,12 +61,12 @@ package java.util;
*/
public class Observable {
private boolean changed = false;
private Vector obs;
private Vector<Observer> obs;
/** Construct an Observable with zero Observers. */
public Observable() {
obs = new Vector();
obs = new Vector<>();
}
/**
......
src/share/classes/java/util/PriorityQueue.java
浏览文件 @ 1a559f15
......@@ -449,6 +449,7 @@ public class PriorityQueue<E> extends AbstractQueue<E>
* this queue
* @throws NullPointerException if the specified array is null
*/
@SuppressWarnings("unchecked")
public <T> T[] toArray(T[] a) {
if (a.length < size)
// Make a new array of a's runtime type, but my contents:
......@@ -514,6 +515,7 @@ public class PriorityQueue<E> extends AbstractQueue<E>
(forgetMeNot != null && !forgetMeNot.isEmpty());
}
@SuppressWarnings("unchecked")
public E next() {
if (expectedModCount != modCount)
throw new ConcurrentModificationException();
......@@ -571,8 +573,10 @@ public class PriorityQueue<E> extends AbstractQueue<E>
return null;
int s = --size;
modCount++;
E result = (E) queue[0];
E x = (E) queue[s];
@SuppressWarnings("unchecked")
E result = (E) queue[0];
@SuppressWarnings("unchecked")
E x = (E) queue[s];
queue[s] = null;
if (s != 0)
siftDown(0, x);
......@@ -598,7 +602,8 @@ public class PriorityQueue<E> extends AbstractQueue<E>
if (s == i) // removed last element
queue[i] = null;
else {
E moved = (E) queue[s];
@SuppressWarnings("unchecked")
E moved = (E) queue[s];
queue[s] = null;
siftDown(i, moved);
if (queue[i] == moved) {
......@@ -629,6 +634,7 @@ public class PriorityQueue<E> extends AbstractQueue<E>
siftUpComparable(k, x);
}
@SuppressWarnings("unchecked")
private void siftUpComparable(int k, E x) {
Comparable<? super E> key = (Comparable<? super E>) x;
while (k > 0) {
......@@ -645,8 +651,9 @@ public class PriorityQueue<E> extends AbstractQueue<E>
private void siftUpUsingComparator(int k, E x) {
while (k > 0) {
int parent = (k - 1) >>> 1;
Object e = queue[parent];
if (comparator.compare(x, (E) e) >= 0)
@SuppressWarnings("unchecked")
E e = (E) queue[parent];
if (comparator.compare(x, e) >= 0)
break;
queue[k] = e;
k = parent;
......@@ -669,6 +676,7 @@ public class PriorityQueue<E> extends AbstractQueue<E>
siftDownComparable(k, x);
}
@SuppressWarnings("unchecked")
private void siftDownComparable(int k, E x) {
Comparable<? super E> key = (Comparable<? super E>)x;
int half = size >>> 1; // loop while a non-leaf
......@@ -687,6 +695,7 @@ public class PriorityQueue<E> extends AbstractQueue<E>
queue[k] = key;
}
@SuppressWarnings("unchecked")
private void siftDownUsingComparator(int k, E x) {
int half = size >>> 1;
while (k < half) {
......@@ -708,6 +717,7 @@ public class PriorityQueue<E> extends AbstractQueue<E>
* Establishes the heap invariant (described above) in the entire tree,
* assuming nothing about the order of the elements prior to the call.
*/
@SuppressWarnings("unchecked")
private void heapify() {
for (int i = (size >>> 1) - 1; i >= 0; i--)
siftDown(i, (E) queue[i]);
......
src/share/classes/java/util/Properties.java
浏览文件 @ 1a559f15
......@@ -824,7 +824,7 @@ class Properties extends Hashtable<Object,Object> {
bw.write("#" + new Date().toString());
bw.newLine();
synchronized (this) {
for (Enumeration e = keys(); e.hasMoreElements();) {
for (Enumeration<?> e = keys(); e.hasMoreElements();) {
String key = (String)e.nextElement();
String val = (String)get(key);
key = saveConvert(key, true, escUnicode);
......@@ -987,7 +987,7 @@ class Properties extends Hashtable<Object,Object> {
* @see #stringPropertyNames
*/
public Enumeration<?> propertyNames() {
Hashtable h = new Hashtable();
Hashtable<String,Object> h = new Hashtable<>();
enumerate(h);
return h.keys();
}
......@@ -1026,10 +1026,10 @@ class Properties extends Hashtable<Object,Object> {
*/
public void list(PrintStream out) {
out.println("-- listing properties --");
Hashtable h = new Hashtable();
Hashtable<String,Object> h = new Hashtable<>();
enumerate(h);
for (Enumeration e = h.keys() ; e.hasMoreElements() ;) {
String key = (String)e.nextElement();
for (Enumeration<String> e = h.keys() ; e.hasMoreElements() ;) {
String key = e.nextElement();
String val = (String)h.get(key);
if (val.length() > 40) {
val = val.substring(0, 37) + "...";
......@@ -1054,10 +1054,10 @@ class Properties extends Hashtable<Object,Object> {
*/
public void list(PrintWriter out) {
out.println("-- listing properties --");
Hashtable h = new Hashtable();
Hashtable<String,Object> h = new Hashtable<>();
enumerate(h);
for (Enumeration e = h.keys() ; e.hasMoreElements() ;) {
String key = (String)e.nextElement();
for (Enumeration<String> e = h.keys() ; e.hasMoreElements() ;) {
String key = e.nextElement();
String val = (String)h.get(key);
if (val.length() > 40) {
val = val.substring(0, 37) + "...";
......@@ -1072,11 +1072,11 @@ class Properties extends Hashtable<Object,Object> {
* @throws ClassCastException if any of the property keys
* is not of String type.
*/
private synchronized void enumerate(Hashtable h) {
private synchronized void enumerate(Hashtable<String,Object> h) {
if (defaults != null) {
defaults.enumerate(h);
}
for (Enumeration e = keys() ; e.hasMoreElements() ;) {
for (Enumeration<?> e = keys() ; e.hasMoreElements() ;) {
String key = (String)e.nextElement();
h.put(key, get(key));
}
......@@ -1091,7 +1091,7 @@ class Properties extends Hashtable<Object,Object> {
if (defaults != null) {
defaults.enumerateStringProperties(h);
}
for (Enumeration e = keys() ; e.hasMoreElements() ;) {
for (Enumeration<?> e = keys() ; e.hasMoreElements() ;) {
Object k = e.nextElement();
Object v = get(k);
if (k instanceof String && v instanceof String) {
......
src/share/classes/java/util/PropertyPermission.java
浏览文件 @ 1a559f15
......@@ -442,7 +442,7 @@ implements Serializable
* Key is property name; value is PropertyPermission.
* Not serialized; see serialization section at end of class.
*/
private transient Map<String, Permission> perms;
private transient Map<String, PropertyPermission> perms;
/**
* Boolean saying if "*" is in the collection.
......@@ -488,7 +488,7 @@ implements Serializable
String propName = pp.getName();
synchronized (this) {
PropertyPermission existing = (PropertyPermission) perms.get(propName);
PropertyPermission existing = perms.get(propName);
if (existing != null) {
int oldMask = existing.getMask();
......@@ -499,7 +499,7 @@ implements Serializable
perms.put(propName, new PropertyPermission(propName, actions));
}
} else {
perms.put(propName, permission);
perms.put(propName, pp);
}
}
......@@ -533,7 +533,7 @@ implements Serializable
// short circuit if the "*" Permission was added
if (all_allowed) {
synchronized (this) {
x = (PropertyPermission) perms.get("*");
x = perms.get("*");
}
if (x != null) {
effective |= x.getMask();
......@@ -550,7 +550,7 @@ implements Serializable
//System.out.println("check "+name);
synchronized (this) {
x = (PropertyPermission) perms.get(name);
x = perms.get(name);
}
if (x != null) {
......@@ -570,7 +570,7 @@ implements Serializable
name = name.substring(0, last+1) + "*";
//System.out.println("check "+name);
synchronized (this) {
x = (PropertyPermission) perms.get(name);
x = perms.get(name);
}
if (x != null) {
......@@ -592,11 +592,15 @@ implements Serializable
*
* @return an enumeration of all the PropertyPermission objects.
*/
@SuppressWarnings("unchecked")
public Enumeration<Permission> elements() {
// Convert Iterator of Map values into an Enumeration
synchronized (this) {
return Collections.enumeration(perms.values());
/**
* Casting to rawtype since Enumeration<PropertyPermission>
* cannot be directly cast to Enumeration<Permission>
*/
return (Enumeration)Collections.enumeration(perms.values());
}
}
......@@ -633,7 +637,8 @@ implements Serializable
// Don't call out.defaultWriteObject()
// Copy perms into a Hashtable
Hashtable<String, Permission> permissions = new Hashtable<>(perms.size()*2);
Hashtable<String, Permission> permissions =
new Hashtable<>(perms.size()*2);
synchronized (this) {
permissions.putAll(perms);
}
......@@ -661,8 +666,8 @@ implements Serializable
// Get permissions
@SuppressWarnings("unchecked")
Hashtable<String, Permission> permissions =
(Hashtable<String, Permission>)gfields.get("permissions", null);
Hashtable<String, PropertyPermission> permissions =
(Hashtable<String, PropertyPermission>)gfields.get("permissions", null);
perms = new HashMap<>(permissions.size()*2);
perms.putAll(permissions);
}
......
src/share/classes/java/util/RegularEnumSet.java
浏览文件 @ 1a559f15
......@@ -41,7 +41,7 @@ class RegularEnumSet<E extends Enum<E>> extends EnumSet<E> {
*/
private long elements = 0L;
RegularEnumSet(Class<E>elementType, Enum[] universe) {
RegularEnumSet(Class<E>elementType, Enum<?>[] universe) {
super(elementType, universe);
}
......@@ -96,6 +96,7 @@ class RegularEnumSet<E extends Enum<E>> extends EnumSet<E> {
return unseen != 0;
}
@SuppressWarnings("unchecked")
public E next() {
if (unseen == 0)
throw new NoSuchElementException();
......@@ -139,11 +140,11 @@ class RegularEnumSet<E extends Enum<E>> extends EnumSet<E> {
public boolean contains(Object e) {
if (e == null)
return false;
Class eClass = e.getClass();
Class<?> eClass = e.getClass();
if (eClass != elementType && eClass.getSuperclass() != elementType)
return false;
return (elements & (1L << ((Enum)e).ordinal())) != 0;
return (elements & (1L << ((Enum<?>)e).ordinal())) != 0;
}
// Modification Operations
......@@ -160,7 +161,7 @@ class RegularEnumSet<E extends Enum<E>> extends EnumSet<E> {
typeCheck(e);
long oldElements = elements;
elements |= (1L << ((Enum)e).ordinal());
elements |= (1L << ((Enum<?>)e).ordinal());
return elements != oldElements;
}
......@@ -173,12 +174,12 @@ class RegularEnumSet<E extends Enum<E>> extends EnumSet<E> {
public boolean remove(Object e) {
if (e == null)
return false;
Class eClass = e.getClass();
Class<?> eClass = e.getClass();
if (eClass != elementType && eClass.getSuperclass() != elementType)
return false;
long oldElements = elements;
elements &= ~(1L << ((Enum)e).ordinal());
elements &= ~(1L << ((Enum<?>)e).ordinal());
return elements != oldElements;
}
......@@ -197,7 +198,7 @@ class RegularEnumSet<E extends Enum<E>> extends EnumSet<E> {
if (!(c instanceof RegularEnumSet))
return super.containsAll(c);
RegularEnumSet es = (RegularEnumSet)c;
RegularEnumSet<?> es = (RegularEnumSet<?>)c;
if (es.elementType != elementType)
return es.isEmpty();
......@@ -216,7 +217,7 @@ class RegularEnumSet<E extends Enum<E>> extends EnumSet<E> {
if (!(c instanceof RegularEnumSet))
return super.addAll(c);
RegularEnumSet es = (RegularEnumSet)c;
RegularEnumSet<?> es = (RegularEnumSet<?>)c;
if (es.elementType != elementType) {
if (es.isEmpty())
return false;
......@@ -242,7 +243,7 @@ class RegularEnumSet<E extends Enum<E>> extends EnumSet<E> {
if (!(c instanceof RegularEnumSet))
return super.removeAll(c);
RegularEnumSet es = (RegularEnumSet)c;
RegularEnumSet<?> es = (RegularEnumSet<?>)c;
if (es.elementType != elementType)
return false;
......@@ -295,7 +296,7 @@ class RegularEnumSet<E extends Enum<E>> extends EnumSet<E> {
if (!(o instanceof RegularEnumSet))
return super.equals(o);
RegularEnumSet es = (RegularEnumSet)o;
RegularEnumSet<?> es = (RegularEnumSet<?>)o;
if (es.elementType != elementType)
return elements == 0 && es.elements == 0;
return es.elements == elements;
......
src/share/classes/java/util/ResourceBundle.java
浏览文件 @ 1a559f15
......@@ -294,7 +294,8 @@ public abstract class ResourceBundle {
/**
* Queue for reference objects referring to class loaders or bundles.
*/
private static final ReferenceQueue<Object> referenceQueue = new ReferenceQueue<>();
private static final ReferenceQueue<Object> referenceQueue =
new ReferenceQueue<>();
/**
* The parent bundle of this bundle.
......@@ -417,7 +418,7 @@ public abstract class ResourceBundle {
* caller's caller.
*/
private static ClassLoader getLoader() {
Class[] stack = getClassContext();
Class<?>[] stack = getClassContext();
/* Magic number 2 identifies our caller's caller */
Class<?> c = stack[2];
ClassLoader cl = (c == null) ? null : c.getClassLoader();
......@@ -434,7 +435,7 @@ public abstract class ResourceBundle {
return cl;
}
private static native Class[] getClassContext();
private static native Class<?>[] getClassContext();
/**
* A wrapper of ClassLoader.getSystemClassLoader().
......
src/share/classes/java/util/ServiceLoader.java
浏览文件 @ 1a559f15
......@@ -218,20 +218,20 @@ public final class ServiceLoader<S>
reload();
}
private static void fail(Class service, String msg, Throwable cause)
private static void fail(Class<?> service, String msg, Throwable cause)
throws ServiceConfigurationError
{
throw new ServiceConfigurationError(service.getName() + ": " + msg,
cause);
}
private static void fail(Class service, String msg)
private static void fail(Class<?> service, String msg)
throws ServiceConfigurationError
{
throw new ServiceConfigurationError(service.getName() + ": " + msg);
}
private static void fail(Class service, URL u, int line, String msg)
private static void fail(Class<?> service, URL u, int line, String msg)
throws ServiceConfigurationError
{
fail(service, u + ":" + line + ": " + msg);
......@@ -240,7 +240,7 @@ public final class ServiceLoader<S>
// Parse a single line from the given configuration file, adding the name
// on the line to the names list.
//
private int parseLine(Class service, URL u, BufferedReader r, int lc,
private int parseLine(Class<?> service, URL u, BufferedReader r, int lc,
List<String> names)
throws IOException, ServiceConfigurationError
{
......@@ -286,7 +286,7 @@ public final class ServiceLoader<S>
// If an I/O error occurs while reading from the given URL, or
// if a configuration-file format error is detected
//
private Iterator<String> parse(Class service, URL u)
private Iterator<String> parse(Class<?> service, URL u)
throws ServiceConfigurationError
{
InputStream in = null;
......
src/share/classes/java/util/TimeZone.java
浏览文件 @ 1a559f15
......@@ -428,7 +428,7 @@ abstract public class TimeZone implements Serializable, Cloneable {
// The structure is:
// Map(key=id, value=SoftReference(Map(key=locale, value=displaynames)))
private static final Map<String, SoftReference<Map<Locale, String[]>>> CACHE =
new ConcurrentHashMap<String, SoftReference<Map<Locale, String[]>>>();
new ConcurrentHashMap<>();
}
private static final String[] getDisplayNames(String id, Locale locale) {
......@@ -452,9 +452,9 @@ abstract public class TimeZone implements Serializable, Cloneable {
String[] names = TimeZoneNameUtility.retrieveDisplayNames(id, locale);
if (names != null) {
Map<Locale, String[]> perLocale = new ConcurrentHashMap<Locale, String[]>();
Map<Locale, String[]> perLocale = new ConcurrentHashMap<>();
perLocale.put(locale, names);
ref = new SoftReference<Map<Locale, String[]>>(perLocale);
ref = new SoftReference<>(perLocale);
displayNames.put(id, ref);
}
return names;
......
src/share/classes/java/util/TreeMap.java
浏览文件 @ 1a559f15
......@@ -307,7 +307,7 @@ public class TreeMap<K,V>
public void putAll(Map<? extends K, ? extends V> map) {
int mapSize = map.size();
if (size==0 && mapSize!=0 && map instanceof SortedMap) {
Comparator c = ((SortedMap)map).comparator();
Comparator<?> c = ((SortedMap<?,?>)map).comparator();
if (c == comparator || (c != null && c.equals(comparator))) {
++modCount;
try {
......@@ -340,7 +340,8 @@ public class TreeMap<K,V>
return getEntryUsingComparator(key);
if (key == null)
throw new NullPointerException();
Comparable<? super K> k = (Comparable<? super K>) key;
@SuppressWarnings("unchecked")
Comparable<? super K> k = (Comparable<? super K>) key;
Entry<K,V> p = root;
while (p != null) {
int cmp = k.compareTo(p.key);
......@@ -361,7 +362,8 @@ public class TreeMap<K,V>
* worthwhile here.)
*/
final Entry<K,V> getEntryUsingComparator(Object key) {
K k = (K) key;
@SuppressWarnings("unchecked")
K k = (K) key;
Comparator<? super K> cpr = comparator;
if (cpr != null) {
Entry<K,V> p = root;
......@@ -554,7 +556,8 @@ public class TreeMap<K,V>
else {
if (key == null)
throw new NullPointerException();
Comparable<? super K> k = (Comparable<? super K>) key;
@SuppressWarnings("unchecked")
Comparable<? super K> k = (Comparable<? super K>) key;
do {
parent = t;
cmp = k.compareTo(t.key);
......@@ -618,9 +621,9 @@ public class TreeMap<K,V>
* @return a shallow copy of this map
*/
public Object clone() {
TreeMap<K,V> clone = null;
TreeMap<?,?> clone;
try {
clone = (TreeMap<K,V>) super.clone();
clone = (TreeMap<?,?>) super.clone();
} catch (CloneNotSupportedException e) {
throw new InternalError(e);
}
......@@ -803,7 +806,7 @@ public class TreeMap<K,V>
*/
public NavigableSet<K> navigableKeySet() {
KeySet<K> nks = navigableKeySet;
return (nks != null) ? nks : (navigableKeySet = new KeySet(this));
return (nks != null) ? nks : (navigableKeySet = new KeySet<>(this));
}
/**
......@@ -859,9 +862,9 @@ public class TreeMap<K,V>
public NavigableMap<K, V> descendingMap() {
NavigableMap<K, V> km = descendingMap;
return (km != null) ? km :
(descendingMap = new DescendingSubMap(this,
true, null, true,
true, null, true));
(descendingMap = new DescendingSubMap<>(this,
true, null, true,
true, null, true));
}
/**
......@@ -874,9 +877,9 @@ public class TreeMap<K,V>
*/
public NavigableMap<K,V> subMap(K fromKey, boolean fromInclusive,
K toKey, boolean toInclusive) {
return new AscendingSubMap(this,
false, fromKey, fromInclusive,
false, toKey, toInclusive);
return new AscendingSubMap<>(this,
false, fromKey, fromInclusive,
false, toKey, toInclusive);
}
/**
......@@ -888,9 +891,9 @@ public class TreeMap<K,V>
* @since 1.6
*/
public NavigableMap<K,V> headMap(K toKey, boolean inclusive) {
return new AscendingSubMap(this,
true, null, true,
false, toKey, inclusive);
return new AscendingSubMap<>(this,
true, null, true,
false, toKey, inclusive);
}
/**
......@@ -902,9 +905,9 @@ public class TreeMap<K,V>
* @since 1.6
*/
public NavigableMap<K,V> tailMap(K fromKey, boolean inclusive) {
return new AscendingSubMap(this,
false, fromKey, inclusive,
true, null, true);
return new AscendingSubMap<>(this,
false, fromKey, inclusive,
true, null, true);
}
/**
......@@ -978,8 +981,8 @@ public class TreeMap<K,V>
public boolean contains(Object o) {
if (!(o instanceof Map.Entry))
return false;
Map.Entry<K,V> entry = (Map.Entry<K,V>) o;
V value = entry.getValue();
Map.Entry<?,?> entry = (Map.Entry<?,?>) o;
Object value = entry.getValue();
Entry<K,V> p = getEntry(entry.getKey());
return p != null && valEquals(p.getValue(), value);
}
......@@ -987,8 +990,8 @@ public class TreeMap<K,V>
public boolean remove(Object o) {
if (!(o instanceof Map.Entry))
return false;
Map.Entry<K,V> entry = (Map.Entry<K,V>) o;
V value = entry.getValue();
Map.Entry<?,?> entry = (Map.Entry<?,?>) o;
Object value = entry.getValue();
Entry<K,V> p = getEntry(entry.getKey());
if (p != null && valEquals(p.getValue(), value)) {
deleteEntry(p);
......@@ -1023,21 +1026,21 @@ public class TreeMap<K,V>
}
static final class KeySet<E> extends AbstractSet<E> implements NavigableSet<E> {
private final NavigableMap<E, Object> m;
KeySet(NavigableMap<E,Object> map) { m = map; }
private final NavigableMap<E, ?> m;
KeySet(NavigableMap<E,?> map) { m = map; }
public Iterator<E> iterator() {
if (m instanceof TreeMap)
return ((TreeMap<E,Object>)m).keyIterator();
return ((TreeMap<E,?>)m).keyIterator();
else
return (Iterator<E>)(((TreeMap.NavigableSubMap)m).keyIterator());
return ((TreeMap.NavigableSubMap<E,?>)m).keyIterator();
}
public Iterator<E> descendingIterator() {
if (m instanceof TreeMap)
return ((TreeMap<E,Object>)m).descendingKeyIterator();
return ((TreeMap<E,?>)m).descendingKeyIterator();
else
return (Iterator<E>)(((TreeMap.NavigableSubMap)m).descendingKeyIterator());
return ((TreeMap.NavigableSubMap<E,?>)m).descendingKeyIterator();
}
public int size() { return m.size(); }
......@@ -1052,11 +1055,11 @@ public class TreeMap<K,V>
public E last() { return m.lastKey(); }
public Comparator<? super E> comparator() { return m.comparator(); }
public E pollFirst() {
Map.Entry<E,Object> e = m.pollFirstEntry();
Map.Entry<E,?> e = m.pollFirstEntry();
return (e == null) ? null : e.getKey();
}
public E pollLast() {
Map.Entry<E,Object> e = m.pollLastEntry();
Map.Entry<E,?> e = m.pollLastEntry();
return (e == null) ? null : e.getKey();
}
public boolean remove(Object o) {
......@@ -1085,7 +1088,7 @@ public class TreeMap<K,V>
return tailSet(fromElement, true);
}
public NavigableSet<E> descendingSet() {
return new KeySet(m.descendingMap());
return new KeySet<>(m.descendingMap());
}
}
......@@ -1184,6 +1187,7 @@ public class TreeMap<K,V>
/**
* Compares two keys using the correct comparison method for this TreeMap.
*/
@SuppressWarnings("unchecked")
final int compare(Object k1, Object k2) {
return comparator==null ? ((Comparable<? super K>)k1).compareTo((K)k2)
: comparator.compare((K)k1, (K)k2);
......@@ -1488,7 +1492,7 @@ public class TreeMap<K,V>
public final NavigableSet<K> navigableKeySet() {
KeySet<K> nksv = navigableKeySetView;
return (nksv != null) ? nksv :
(navigableKeySetView = new TreeMap.KeySet(this));
(navigableKeySetView = new TreeMap.KeySet<>(this));
}
public final Set<K> keySet() {
......@@ -1522,7 +1526,7 @@ public class TreeMap<K,V>
if (size == -1 || sizeModCount != m.modCount) {
sizeModCount = m.modCount;
size = 0;
Iterator i = iterator();
Iterator<?> i = iterator();
while (i.hasNext()) {
size++;
i.next();
......@@ -1539,11 +1543,11 @@ public class TreeMap<K,V>
public boolean contains(Object o) {
if (!(o instanceof Map.Entry))
return false;
Map.Entry<K,V> entry = (Map.Entry<K,V>) o;
K key = entry.getKey();
Map.Entry<?,?> entry = (Map.Entry<?,?>) o;
Object key = entry.getKey();
if (!inRange(key))
return false;
TreeMap.Entry node = m.getEntry(key);
TreeMap.Entry<?,?> node = m.getEntry(key);
return node != null &&
valEquals(node.getValue(), entry.getValue());
}
......@@ -1551,8 +1555,8 @@ public class TreeMap<K,V>
public boolean remove(Object o) {
if (!(o instanceof Map.Entry))
return false;
Map.Entry<K,V> entry = (Map.Entry<K,V>) o;
K key = entry.getKey();
Map.Entry<?,?> entry = (Map.Entry<?,?>) o;
Object key = entry.getKey();
if (!inRange(key))
return false;
TreeMap.Entry<K,V> node = m.getEntry(key);
......@@ -1709,34 +1713,34 @@ public class TreeMap<K,V>
throw new IllegalArgumentException("fromKey out of range");
if (!inRange(toKey, toInclusive))
throw new IllegalArgumentException("toKey out of range");
return new AscendingSubMap(m,
false, fromKey, fromInclusive,
false, toKey, toInclusive);
return new AscendingSubMap<>(m,
false, fromKey, fromInclusive,
false, toKey, toInclusive);
}
public NavigableMap<K,V> headMap(K toKey, boolean inclusive) {
if (!inRange(toKey, inclusive))
throw new IllegalArgumentException("toKey out of range");
return new AscendingSubMap(m,
fromStart, lo, loInclusive,
false, toKey, inclusive);
return new AscendingSubMap<>(m,
fromStart, lo, loInclusive,
false, toKey, inclusive);
}
public NavigableMap<K,V> tailMap(K fromKey, boolean inclusive) {
if (!inRange(fromKey, inclusive))
throw new IllegalArgumentException("fromKey out of range");
return new AscendingSubMap(m,
false, fromKey, inclusive,
toEnd, hi, hiInclusive);
return new AscendingSubMap<>(m,
false, fromKey, inclusive,
toEnd, hi, hiInclusive);
}
public NavigableMap<K,V> descendingMap() {
NavigableMap<K,V> mv = descendingMapView;
return (mv != null) ? mv :
(descendingMapView =
new DescendingSubMap(m,
fromStart, lo, loInclusive,
toEnd, hi, hiInclusive));
new DescendingSubMap<>(m,
fromStart, lo, loInclusive,
toEnd, hi, hiInclusive));
}
Iterator<K> keyIterator() {
......@@ -1790,34 +1794,34 @@ public class TreeMap<K,V>
throw new IllegalArgumentException("fromKey out of range");
if (!inRange(toKey, toInclusive))
throw new IllegalArgumentException("toKey out of range");
return new DescendingSubMap(m,
false, toKey, toInclusive,
false, fromKey, fromInclusive);
return new DescendingSubMap<>(m,
false, toKey, toInclusive,
false, fromKey, fromInclusive);
}
public NavigableMap<K,V> headMap(K toKey, boolean inclusive) {
if (!inRange(toKey, inclusive))
throw new IllegalArgumentException("toKey out of range");
return new DescendingSubMap(m,
false, toKey, inclusive,
toEnd, hi, hiInclusive);
return new DescendingSubMap<>(m,
false, toKey, inclusive,
toEnd, hi, hiInclusive);
}
public NavigableMap<K,V> tailMap(K fromKey, boolean inclusive) {
if (!inRange(fromKey, inclusive))
throw new IllegalArgumentException("fromKey out of range");
return new DescendingSubMap(m,
fromStart, lo, loInclusive,
false, fromKey, inclusive);
return new DescendingSubMap<>(m,
fromStart, lo, loInclusive,
false, fromKey, inclusive);
}
public NavigableMap<K,V> descendingMap() {
NavigableMap<K,V> mv = descendingMapView;
return (mv != null) ? mv :
(descendingMapView =
new AscendingSubMap(m,
fromStart, lo, loInclusive,
toEnd, hi, hiInclusive));
new AscendingSubMap<>(m,
fromStart, lo, loInclusive,
toEnd, hi, hiInclusive));
}
Iterator<K> keyIterator() {
......@@ -1862,9 +1866,9 @@ public class TreeMap<K,V>
private boolean fromStart = false, toEnd = false;
private K fromKey, toKey;
private Object readResolve() {
return new AscendingSubMap(TreeMap.this,
fromStart, fromKey, true,
toEnd, toKey, false);
return new AscendingSubMap<>(TreeMap.this,
fromStart, fromKey, true,
toEnd, toKey, false);
}
public Set<Map.Entry<K,V>> entrySet() { throw new InternalError(); }
public K lastKey() { throw new InternalError(); }
......@@ -2331,12 +2335,12 @@ public class TreeMap<K,V>
* @param defaultVal if non-null, this default value is used for
* each value in the map. If null, each value is read from
* iterator or stream, as described above.
* @throws IOException propagated from stream reads. This cannot
* @throws java.io.IOException propagated from stream reads. This cannot
* occur if str is null.
* @throws ClassNotFoundException propagated from readObject.
* This cannot occur if str is null.
*/
private void buildFromSorted(int size, Iterator it,
private void buildFromSorted(int size, Iterator<?> it,
java.io.ObjectInputStream str,
V defaultVal)
throws java.io.IOException, ClassNotFoundException {
......@@ -2359,9 +2363,10 @@ public class TreeMap<K,V>
* @param redLevel the level at which nodes should be red.
* Must be equal to computeRedLevel for tree of this size.
*/
@SuppressWarnings("unchecked")
private final Entry<K,V> buildFromSorted(int level, int lo, int hi,
int redLevel,
Iterator it,
Iterator<?> it,
java.io.ObjectInputStream str,
V defaultVal)
throws java.io.IOException, ClassNotFoundException {
......@@ -2391,9 +2396,9 @@ public class TreeMap<K,V>
V value;
if (it != null) {
if (defaultVal==null) {
Map.Entry<K,V> entry = (Map.Entry<K,V>)it.next();
key = entry.getKey();
value = entry.getValue();
Map.Entry<?,?> entry = (Map.Entry<?,?>)it.next();
key = (K)entry.getKey();
value = (V)entry.getValue();
} else {
key = (K)it.next();
value = defaultVal;
......
src/share/classes/java/util/TreeSet.java
浏览文件 @ 1a559f15
......@@ -302,7 +302,7 @@ public class TreeSet<E> extends AbstractSet<E>
m instanceof TreeMap) {
SortedSet<? extends E> set = (SortedSet<? extends E>) c;
TreeMap<E,Object> map = (TreeMap<E, Object>) m;
Comparator<? super E> cc = (Comparator<? super E>) set.comparator();
Comparator<?> cc = set.comparator();
Comparator<? super E> mc = map.comparator();
if (cc==mc || (cc != null && cc.equals(mc))) {
map.addAllForTreeSet(set, PRESENT);
......@@ -469,8 +469,9 @@ public class TreeSet<E> extends AbstractSet<E>
*
* @return a shallow copy of this set
*/
@SuppressWarnings("unchecked")
public Object clone() {
TreeSet<E> clone = null;
TreeSet<E> clone;
try {
clone = (TreeSet<E>) super.clone();
} catch (CloneNotSupportedException e) {
......@@ -519,14 +520,11 @@ public class TreeSet<E> extends AbstractSet<E>
s.defaultReadObject();
// Read in Comparator
Comparator<? super E> c = (Comparator<? super E>) s.readObject();
@SuppressWarnings("unchecked")
Comparator<? super E> c = (Comparator<? super E>) s.readObject();
// Create backing TreeMap
TreeMap<E,Object> tm;
if (c==null)
tm = new TreeMap<>();
else
tm = new TreeMap<>(c);
TreeMap<E,Object> tm = new TreeMap<>(c);
m = tm;
// Read in size
......
src/share/classes/java/util/WeakHashMap.java
浏览文件 @ 1a559f15
......@@ -186,7 +186,7 @@ public class WeakHashMap<K,V>
@SuppressWarnings("unchecked")
private Entry<K,V>[] newTable(int n) {
return (Entry<K,V>[]) new Entry[n];
return (Entry<K,V>[]) new Entry<?,?>[n];
}
/**
......
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