java并发编程的艺术笔记第一章——并发编程的挑战

package main.java.com.robot.demo;

/**
 * @author: 会跳舞的机器人
 * @date: 2017/8/9 16:30
 * @description: java死锁案例
 */
public class DeadLock {
    private static String firstMonitor = "A";
    private static String secondMonitor = "B";

    public static void main(String[] args) {
        Thread thread1 = new Thread(new Runnable() {
            @Override
            public void run() {
                synchronized (firstMonitor) {
                    System.out.println("thread1 locked firstMonitor");
                    try {
                        Thread.sleep(3000);
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                    synchronized (secondMonitor) {
                        System.out.println("thread1 locked secondMonitor");
                    }
                }
            }
        });

        Thread thread2 = new Thread(new Runnable() {
            public void run() {
                synchronized (secondMonitor) {
                    System.out.println("thread2 locked secondMonitor");
                    try {
                        Thread.sleep(3000);
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                    synchronized (firstMonitor) {
                        System.out.println("thread2 locked firstMonitor");
                    }
                }
            }
        });

        thread1.start();
        thread2.start();
    }

}