转Java死锁例子

public class TestDeadLock implements Runnable{

public int flag = 1;

static Object o1 = new Object(), o2 = new Object();

public static void main(String[] argv){

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();

}

public void run(){

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

if(flag == 1){

synchronized (o1){

try{

Thread.sleep(500);

}catch(Exception e){

e.printStackTrace();

}

synchronized(o2){

System.out.println("1");

}

}

}

if(flag == 0){

synchronized(o2){

try{

Thread.sleep(500);

}catch(Exception e){

e.printStackTrace();

}

synchronized(o1){

System.out.println("0");

}

}

}

}

}