Quelle B6499348.java Sprache: JAVA

/*
* Copyright (c) 2007, 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.
*
* 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
* or visit www.oracle.com if you need additional information or have any
* questions.
*/

/**
* @test
* @bug 6499348
* @summary java.net socket classes should implement java.io.Closeable
*/

import java.net.*;
import java.io.Closeable;

public class B6499348 {
    public static void main(String[] args) throws java.io.IOException {
        Socket s = new Socket();
        ServerSocket ss = new ServerSocket();
        DatagramSocket ds =  new DatagramSocket((SocketAddress) null);

        if (! (s instanceof Closeable))
            throw new RuntimeException("Socket is not a java.io.Closeable");
        if (! (ss instanceof Closeable))
            throw new RuntimeException("ServerSocket is not a java.io.Closeable");
        if (! (ds instanceof Closeable))
            throw new RuntimeException("DatagramSocket is not a java.io.Closeable");
        s.close();
        ss.close();
        ds.close();
    }
}

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