java中死锁的案例

public class DeadLock {

//水壶
private Object object1=new Object();
//水杯
private Object object2=new Object();

public static void main(String[] args) {

new DeadLock().test();

}

private void test() {
// TODO Auto-generated method stub

//people 1
Thread th1= new Thread(new Dead(0),"小明");
//people 2
Thread th2=new Thread(new Dead(1),"小丽");

th1.start();
th2.start();

try {
Thread.sleep(6000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

}

/**
* 死锁类
*/
class Dead implements Runnable{

private int tag=0;

public Dead(int _tag) {
tag=_tag;
// TODO Auto-generated constructor stub
}

@Override
public void run() {
// TODO Auto-generated method stub

if(tag==0){
//尝试着拿水壶
synchronized (object1) {
System.out.println(Thread.currentThread().getName()+"拿到了水壶");
try {
Thread.sleep(3000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
//尝试着去拿水杯
System.out.println(Thread.currentThread().getName()+"尝试着拿水杯");
synchronized (object2) {
System.out.println(Thread.currentThread().getName()+"也拿到了水杯");
}
}

}else{

//尝试着拿水杯
synchronized (object2) {
System.out.println(Thread.currentThread().getName()+"拿到了水杯");
try {
Thread.sleep(3000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

//尝试着去拿水壶
System.out.println(Thread.currentThread().getName()+"尝试着拿水壶");
synchronized (object1) {
System.out.println(Thread.currentThread().getName()+"也拿到了水壶");
}
}
}
}
}
}