/*

 * 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,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 */

package java.io;

import java.io.IOException;

/**

 * A {@code Closeable} is a source or destination of data that can be closed.

 * The close method is invoked to release resources that the object is

 * holding (such as open files).

 *

 * @since 1.5

 */

public interface Closeable extends AutoCloseable {

    /**

     * Closes this stream and releases any system resources associated

     * with it. If the stream is already closed then invoking this

     * method has no effect.

     *

     * <p> As noted in {@link AutoCloseable#close()}, cases where the

     * close may fail require careful attention. It is strongly advised

     * to relinquish the underlying resources and to internally

     * <em>mark</em> the {@code Closeable} as closed, prior to throwing

     * the {@code IOException}.

     *

     * @throws IOException if an I/O error occurs

     */

    public void close() throws IOException;

}