--- old/src/share/classes/java/io/FileFilter.java 2013-02-06 18:04:53.000000000 -0800 +++ new/src/share/classes/java/io/FileFilter.java 2013-02-06 18:04:53.000000000 -0800 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1998, 2002, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1998, 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 @@ -35,6 +35,7 @@ * * @since 1.2 */ +@FunctionalInterface public interface FileFilter { /** @@ -46,5 +47,4 @@ * should be included */ boolean accept(File pathname); - }