src/share/classes/java/util/ArrayList.java

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@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this

@@ -296,11 +296,12 @@
      * Returns a shallow copy of this <tt>ArrayList</tt> instance.  (The
      * elements themselves are not copied.)
      *
      * @return a clone of this <tt>ArrayList</tt> instance
      */
-    public Object clone() {
+    @Override
+    public ArrayList<E> clone() {
         try {
             @SuppressWarnings("unchecked")
                 ArrayList<E> v = (ArrayList<E>) super.clone();
             v.elementData = Arrays.copyOf(elementData, size);
             v.modCount = 0;