HDU1717 小数化分数2

package test.Thread;

public class testDeadLock {

public static void main(String[] args) {
// TODO Auto-generated method stub
deadRunner r1 = new deadRunner();
r1.flag = 1;
deadRunner r2 = new deadRunner();
r2.flag = 2;

Thread t1 = new Thread(r1);
Thread t2 = new Thread(r2);

t1.start();
t2.start();
}

}

class deadRunner implements Runnable {

int flag = 1;
static Object o1 = new Object();
static Object o2 = new Object();

public void run() {
// TODO Auto-generated method stub
System.out.println("flag=" + flag);
if (1 == flag) {
synchronized (o1) {
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
synchronized (o2) {
System.out.println("this is flag 1");
}
}
}

if (0 == flag) {
synchronized (o2) {
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
synchronized (o1) {
System.out.println("this is flag 2");
}
}
}
}

}