/*
 * Copyright (c) [2020] Huawei Technologies Co.,Ltd.All rights reserved.
 *
 * OpenArkCompiler is licensed under the Mulan PSL v1.
 * You can use this software according to the terms and conditions of the Mulan PSL v1.
 * You may obtain a copy of Mulan PSL v1 at:
 *
 * http://license.coscl.org.cn/MulanPSL
 *
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR
 * FIT FOR A PARTICULAR PURPOSE.
 * See the Mulan PSL v1 for more details.
 */
public class ThreadTest {
 static volatile long flag = 0L;
 static int number = 0;
 static class FirstThread extends Thread {
 public void run() {
 while(flag != Long.MAX_VALUE) {
 }
 System.out.println(number);
 }
 }
 static class SecondThread extends Thread {
 public void run() {
 number = 42;
 flag = Long.MAX_VALUE;
 }
 }

 public static void main(String args[]) {
 FirstThread t1 = new FirstThread();
 SecondThread t2 = new SecondThread();
 t1.start();
 t2.start();
 try {
 t1.join();
 t2.join();
 } catch (InterruptedException e) {
 System.out.println("INTERRUPTED_MESSAGE");
 }
 System.out.println("OK");
 }
}