hotspot/test/serviceability/sa/LingeredAppWithInterface.java

/*
 * Copyright (c) 2017, 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.
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import jdk.test.lib.apps.LingeredApp;

interface Language {
    static final long nbrOfWords = 99999;
    public abstract long getNbrOfWords();
}

class ParselTongue implements Language {
    public long getNbrOfWords() {
        return nbrOfWords * 4;
    }
}

public class LingeredAppWithInterface extends LingeredApp {

    public static void main(String args[]) {
        ParselTongue lang = new ParselTongue();
        Language muggleSpeak = new Language() {
            public long getNbrOfWords() {
                return nbrOfWords * 8;
            }
        };

        // Not tested at this point. The test needs to be enhanced
        // later to test for the sizes of the Lambda MetaFactory
        // generated anonymous classes too. (After JDK-8160228 gets
        // fixed.)
        Runnable r2 = () -> System.out.println("Hello world!");
        r2.run();

        System.out.println(lang.getNbrOfWords() + muggleSpeak.getNbrOfWords());

        LingeredApp.main(args);
    }
}