1 /*
2  * Copyright (c) 2004, 2013, Oracle and/or its affiliates. All rights reserved.
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * This code is free software; you can redistribute it and/or modify it
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7  * published by the Free Software Foundation.  Oracle designates this
8  * particular file as subject to the "Classpath" exception as provided
9  * by Oracle in the LICENSE file that accompanied this code.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
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19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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24  */
25 
26 package java.io;
27 
28 import java.io.IOException;
29 
30 /**
31  * A <tt>Flushable</tt> is a destination of data that can be flushed.  The
32  * flush method is invoked to write any buffered output to the underlying
33  * stream.
34  *
35  * @since 1.5
36  */
37 public interface Flushable {
38 
39     /**
40      * Flushes this stream by writing any buffered output to the underlying
41      * stream.
42      *
43      * @throws IOException If an I/O error occurs
44      */
flush()45     void flush() throws IOException;
46 }
47