你知道死锁是怎么产生的吗，怎么解决

余生大大

发布于 2022-11-02 07:12:28

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代码可运行

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代码可运行

死锁的产生方式

死锁代码

package com.an.learning.thread;

import java.util.concurrent.TimeUnit;

class HoldLockThread implements Runnable{

    private String lockA;
    private String lockB;

    public HoldLockThread(String lockA, String lockB) {
        this.lockA = lockA;
        this.lockB = lockB;
    }

    @Override
    public void run() {
        synchronized (lockA) {
            System.out.println(Thread.currentThread().getName() + "\t 自己持有" + lockA + "锁，尝试获得" + lockB);
            try {
                TimeUnit.SECONDS.sleep(2);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            synchronized (lockB) {
                System.out.println(Thread.currentThread().getName() + "\t 自己持有" + lockB + "锁，尝试获得" + lockA);
            }
        }
    }
}
/**
 * @author Anzepeng
 * @title: DeadLockDemo
 * @projectName learning
 * @description: 死锁
 * @date 2020/8/19 0019下午 16:43
 */
public class DeadLockDemo {

    public static void main(String[] args) {
        String lockA = "A";
        String lockB = "B";
        new Thread(new HoldLockThread(lockA,lockB),"A").start();

        new Thread(new HoldLockThread(lockB,lockA),"B").start();
    }
}