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