package com.basic; /**

* @program JavaBooks

* @description: 死锁的模拟

* @author: mf

* @create: 2020/01/09 13:57

*/

import java.util.concurrent.ExecutorService;

import java.util.concurrent.Executors;

/**

* 用线程池模拟，比较方便一些

*/

public class T31 {

private static Object res1 = new Object(); // 资源1

private static Object res2 = new Object(); // 资源2

public void m1() {

synchronized (res1) {

// 占用res1的锁

System.out.println(Thread.currentThread().getName() + " get res1");

try {

Thread.sleep(1000); // 延时一会，等待m2的方法占用res2

} catch (InterruptedException e) {

e.printStackTrace();

}

System.out.println("waiting get res2");

synchronized (res2) {

System.out.println(Thread.currentThread().getName() + " get res2");

}

}

}

public void m2() {

synchronized (res2) {

// 占用res2的锁

System.out.println(Thread.currentThread().getName() + " get res2");

try {

Thread.sleep(1000); //

} catch (InterruptedException e) {

e.printStackTrace();

}

System.out.println("waiting get res1");

synchronized (res1) {

System.out.println(Thread.currentThread().getName() + " get res1");

}

}

}

public static void main(String[] args) {

T31 t31 = new T31();

ExecutorService service = Executors.newCachedThreadPool();

service.execute(() -> t31.m1());

service.execute(() -> t31.m2());

}

}