src/share/classes/java/util/Hashtable.java

*** 1,7 ****
  /*
!  * Copyright (c) 1994, 2011, 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
--- 1,7 ----
  /*
!  * Copyright (c) 1994, 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
*** 520,530 ****
       * hashtable itself is copied, but the keys and values are not cloned.
       * This is a relatively expensive operation.
       *
       * @return  a clone of the hashtable
       */
!     public synchronized Object clone() {
          try {
              Hashtable<K,V> t = (Hashtable<K,V>) super.clone();
              t.table = new Entry[table.length];
              for (int i = table.length ; i-- > 0 ; ) {
                  t.table[i] = (table[i] != null)
--- 520,531 ----
       * hashtable itself is copied, but the keys and values are not cloned.
       * This is a relatively expensive operation.
       *
       * @return  a clone of the hashtable
       */
!     @Override
!     public synchronized Hashtable<K,V> clone() {
          try {
              Hashtable<K,V> t = (Hashtable<K,V>) super.clone();
              t.table = new Entry[table.length];
              for (int i = table.length ; i-- > 0 ; ) {
                  t.table[i] = (table[i] != null)