Java example source code file (HasNonStatic.java)

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Java - Java tags/keywords

contended, exception, hasnonstatic, management, object, reflection, regex, threading, threads, util

The HasNonStatic.java Java example source code

/*
 * Copyright (c) 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.
 *
 * 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.io.BufferedReader;
import java.io.InputStreamReader;
import java.lang.Class;
import java.lang.String;
import java.lang.System;
import java.lang.management.ManagementFactory;
import java.lang.management.RuntimeMXBean;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CyclicBarrier;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import sun.misc.Unsafe;
import sun.misc.Contended;

/*
 * @test
 * @bug     8015270
 * @summary \@Contended: fix multiple issues in the layout code
 *
 * @run main/othervm -XX:-RestrictContended HasNonStatic
 */
public class HasNonStatic {

    public static void main(String[] args) throws Exception {
        R1 r1 = new R1();
        R2 r2 = new R2();
        R3 r3 = new R3();
        R4 r4 = new R4();
    }

    public static class R1 {
        @Contended
        Object o;
    }

    @Contended
    public static class R2 {
        Object o;
    }

    @Contended
    public static class R3 {
    }

    public static class R4 extends R3 {
    }

}