java多线程 模拟死锁程序

public class TestDeadLock implements Runnable{

	public int flag = 1;

	public static Object o1 = new Object();

	public static Object o2 = new Object();

	public static void main(String[] args) {

		TestDeadLock td1 = new TestDeadLock();

		TestDeadLock td2 = new TestDeadLock();

		td1.flag=1;

		td2.flag=0;

		Thread t1 = new Thread(td1);

		Thread t2 = new Thread(td2);

		t1.start();

		t2.start();



	}



	@Override

	public void run() {

		System.out.println("flag:"+flag);

		if(flag==1){

			synchronized(o1){

				try {

					Thread.sleep(500);

				} catch (InterruptedException e) {

					// TODO Auto-generated catch block

					e.printStackTrace();

				}

				synchronized(o2){

					System.out.println("1");

				}

			}

			

		}

		else if(flag == 0){

			synchronized(o2){

				try {

					Thread.sleep(500);

				} catch (InterruptedException e) {

					// TODO Auto-generated catch block

					e.printStackTrace();

				}

				synchronized(o1){

					System.out.println("0");

				}

			}

			

		}

		

	}



}