6929382: Various core classes in util and elsewhere are missing @param <T> tags

Reviewed-by: dholmes, martin

src/share/classes/java/lang/Iterable.java

@@ -27,8 +27,12 @@ package java.lang;
 
 import java.util.Iterator;
 
-/** Implementing this interface allows an object to be the target of
+/**
+ * Implementing this interface allows an object to be the target of
  * the "foreach" statement.
+ *
+ * @param <T> the type of elements returned by the iterator
+ *
  * @since 1.5
  */
 public interface Iterable<T> {

src/share/classes/java/util/Collection.java

@@ -103,6 +103,8 @@ package java.util;
  * <a href="{@docRoot}/../technotes/guides/collections/index.html">
  * Java Collections Framework</a>.
  *
+ * @param <E> the type of elements in this collection
+ *
  * @author  Josh Bloch
  * @author  Neal Gafter
  * @see     Set

src/share/classes/java/util/Iterator.java

@@ -41,6 +41,8 @@ package java.util;
  * <a href="{@docRoot}/../technotes/guides/collections/index.html">
  * Java Collections Framework</a>.
  *
+ * @param <E> the type of elements returned by this iterator
+ *
  * @author  Josh Bloch
  * @see Collection
  * @see ListIterator

src/share/classes/java/util/List.java

@@ -89,6 +89,8 @@ package java.util;
  * <a href="{@docRoot}/../technotes/guides/collections/index.html">
  * Java Collections Framework</a>.
  *
+ * @param <E> the type of elements in this list
+ *
  * @author  Josh Bloch
  * @author  Neal Gafter
  * @see Collection