重入锁ReentrantLock、死锁和中断响应

import java.util.concurrent.locks.ReentrantLock;

public class IntLock implements Runnable{
	//重入锁ReentrantLock
	public static ReentrantLock lock1 = new ReentrantLock();
	public static ReentrantLock lock2 = new ReentrantLock();

	int lock;
	public IntLock(int lock){
		this.lock = lock;
	}
	
	@Override
	public void run() {
		// TODO Auto-generated method stub
		try {
			if(lock==1){
				lock1.lockInterruptibly();
				Thread.sleep(500);
				lock2.lockInterruptibly();
			}else{
				lock2.lockInterruptibly();
				Thread.sleep(500);
				lock1.lockInterruptibly();
			}
		} catch (Exception e) {
			// TODO: handle exception
		}finally{
			if(lock1.isHeldByCurrentThread()){
				lock1.unlock();//释放锁
			}
			if(lock2.isHeldByCurrentThread()){
				lock2.unlock();
			}
			System.out.println(Thread.currentThread().getId()+"：线程退出");
		}
		
	}
	public static void main(String[] args) throws InterruptedException {
		IntLock r1 = new IntLock(1);
		IntLock r2 = new IntLock(2);
		Thread t1 = new Thread(r1);
		Thread t2 = new Thread(r2);
		t1.start();
		t2.start();
		Thread.sleep(1000);
		//t2线程被中断，放弃锁申请，释放已获得的lock2，这个操作使得t1线程顺利获得lock2继续执行下去；
		//若没有此段代码，t2线程没有中断，那么会出现t1获取lock1，请求lock2，而t2获取lock2，请求lock1的相互等待死锁情况
		t2.interrupt();
	}

}import java.util.concurrent.locks.ReentrantLock