src/share/classes/java/util/function/BinaryOperator.java
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@@ -1,7 +1,7 @@
/*
- * Copyright (c) 2010, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2010, 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
@@ -30,10 +30,11 @@
*
* @param <T> the type of operands to {@code operate} and of the result
*
* @since 1.8
*/
+@FunctionalInterface
public interface BinaryOperator<T> {
/**
* Returns the result of the operation upon the operands.
* The operands are named {@code left} and {@code right} for operations