src/share/classes/java/util/PriorityQueue.java

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 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

@@ -328,10 +328,11 @@
         else
             siftUp(i, e);
         return true;
     }
 
+    @SuppressWarnings("unchecked")
     public E peek() {
         if (size == 0)
             return null;
         return (E) queue[0];
     }