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Datei: OOME.java Sprache: JAVA

/*
* Copyright (c) 2015, 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.
*/

import java.util.LinkedList;

/*
* @test
* @summary Slowly eat all memory in an infinite loop
* @run main/othervm Crash
*/
public class OOME {
    @SuppressWarnings ("UnusedDeclaration")
    private static Object garbage;
    public static void main(String args[]) {

        int chunkSize = 0x8000;
        LinkedList<int[]> list = new LinkedList<>();
        garbage = list;

        while (true) {
            try {
                list.add(new int[chunkSize]);
            } catch (OutOfMemoryError e) {
                chunkSize >>= 1;
            }
        }
    }
}

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