/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import java.util.concurrent.CountDownLatch;
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interface I {
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}
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class A implements I {
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static int x = (int)(10*Math.random()); // Suppress compile-time initialization.
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}
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public class Main {
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public static void main(String[] args) throws Exception {
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final CountDownLatch first = new CountDownLatch(1);
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final CountDownLatch second = new CountDownLatch(1);
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new Thread(new Runnable() {
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public void run() {
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try {
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synchronized(I.class) {
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first.countDown();
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second.await();
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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}).start();
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first.await();
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new A(); // Will initialize A.
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second.countDown();
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System.out.println("Done.");
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}
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}
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