多线程死锁演示

DeadLock.java

package com.kaishengit.ppt;

public class DeadLock {

    private Object lockA = new Object();
    private Object lockB = new Object();

    public void deadLock() {
        Thread threadA = new Thread(new Runnable() {
            @Override
            public void run() {
                synchronized (lockA) {
                    System.out.println("Thread A do something...");
                    try {
                        Thread.sleep(2000);
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                    synchronized (lockB) {
                        System.out.println("Thread A do something2...");
                    }
                }
            }
        });

        Thread threadB = new Thread(new Runnable() {
            @Override
            public void run() {
                synchronized (lockB) {
                    System.out.println("Thread B do something...");
                    synchronized (lockA) {
                        System.out.println("Thread B do something2...");
                    }
                }
            }
        });

        threadA.start();
        threadB.start();
    }

    public static void main(String[] args) {
        DeadLock deadLock = new DeadLock();
        deadLock.deadLock();
    }

}