java/io/Flushable.java

/*
 * Copyright (c) 2004, 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
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
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 *
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package java.io;

import java.io.IOException;

/**
 * A <tt>Flushable</tt> is a destination of data that can be flushed.  The
 * flush method is invoked to write any buffered output to the underlying
 * stream.
 *
 * @since 1.5
 */
public interface Flushable {

    /**
     * Flushes this stream by writing any buffered output to the underlying
     * stream.
     *
     * @throws IOException If an I/O error occurs
     */
    void flush() throws IOException;
}