src/share/classes/java/lang/Comparable.java

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@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 1997, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 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
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this

@@ -91,11 +91,11 @@
  *
  * @author  Josh Bloch
  * @see java.util.Comparator
  * @since 1.2
  */
-
+@FunctionalInterface
 public interface Comparable<T> {
     /**
      * Compares this object with the specified object for order.  Returns a
      * negative integer, zero, or a positive integer as this object is less
      * than, equal to, or greater than the specified object.