--- old/src/share/classes/java/lang/Thread.java	2013-02-06 18:04:58.000000000 -0800
+++ new/src/share/classes/java/lang/Thread.java	2013-02-06 18:04:58.000000000 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1994, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1994, 2013, 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
@@ -1851,6 +1851,7 @@
      * @see ThreadGroup#uncaughtException
      * @since 1.5
      */
+    @FunctionalInterface
     public interface UncaughtExceptionHandler {
         /**
          * Method invoked when the given thread terminates due to the