java死锁demo

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最新推荐文章于 2025-03-27 00:15:00 发布

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分类专栏： java编程文章标签： java死锁

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package com.thread;

/**
 * @Author madongxu
 * @Date 2018-04-27
 */
public class DeadLock {



    public static void main(String[] args) {
        final DeadObject deadObject1  = new DeadObject(1);
        final DeadObject deadObject2  = new DeadObject(0);
        Thread t1 = new Thread(deadObject1);
        Thread t2 = new Thread(deadObject2);

        t1.start();
        t2.start();
    }



    static class DeadObject implements Runnable{

        private int flag ;

        private static Object ob1 = new Object(), ob2 = new Object();

        public DeadObject(int flag) {
            this.flag = flag;
        }

        @Override
        public void run() {

            if(flag == 1){
                synchronized (ob1){
                    try {
                        Thread.sleep(500);
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }

                    synchronized (ob2){
                        System.out.println("当前线程："+Thread.currentThread().getName()+"等待获得obj2");
                    }
                }
            }else{

                synchronized (ob1){
                    try {
                        Thread.sleep(500);
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }

                    synchronized (ob2){
                        System.out.println("当前线程："+Thread.currentThread().getName()+"等待获得obj2");
                    }
                }
            }

        }
    }
}