经典笔试题：简单实现一个死锁的例子

package com.gaopeng.multithread;

/**
   * 简单实现一个死锁例子
 * 
 * @author gaopeng
 *
 */
public class DeadLockTest {

    // 创建资源
    private static Object resourceA = new Object();
    private static Object resourceB = new Object();

    public static void main(String[] args) {
        // 创建线程A
        Thread threadA = new Thread(new Runnable() {

            @Override
            public void run() {
                // 获取resourceA共享资源的监视器锁
                synchronized (resourceA) {
                    System.out.println(Thread.currentThread() + " get ResourceA");

                    try {
                        Thread.sleep(1000);
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }

                    System.out.println(Thread.currentThread() + " waiting get ResourceB");

                    synchronized (resourceB) {
                        System.out.println(Thread.currentThread() + " get ResourceB");
                    }

                }
            }

        });

        // 创建线程B
        Thread threadB = new Thread(new Runnable() {

            @Override
            public void run() {
                // 获取resourceA共享资源的监视器锁
                synchronized (resourceB) {
                    System.out.println(Thread.currentThread() + " get ResourceB");

                    try {
                        Thread.sleep(1000);
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }

                    System.out.println(Thread.currentThread() + " waiting get ResourceA");

                    synchronized (resourceA) {
                        System.out.println(Thread.currentThread() + " get ResourceA");
                    }

                }
            }

        });

        // 启动线程
        threadA.start();
        threadB.start();

    }

}