src/share/classes/java/lang/Readable.java

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

@@ -32,11 +32,11 @@
  * a <tt>Readable</tt> are made available to callers of the read
  * method via a {@link java.nio.CharBuffer CharBuffer}.
  *
  * @since 1.5
  */
-
+@FunctionalInterface
 public interface Readable {
 
     /**
      * Attempts to read characters into the specified character buffer.
      * The buffer is used as a repository of characters as-is: the only

@@ -49,7 +49,6 @@
      * @throws IOException if an I/O error occurs
      * @throws NullPointerException if cb is null
      * @throws java.nio.ReadOnlyBufferException if cb is a read only buffer
      */
     public int read(java.nio.CharBuffer cb) throws IOException;
-
 }