package com.example.app;

import java.util.concurrent.locks.Lock;

public class TestInterrupt {
    public static void main(String[] args) {

        Thread t1=new Thread(new Runnable() {
            @Override
            public void run() {
                System.out.println("in thread 1......");

                while(true){
                    if(Thread.currentThread().isInterrupted()){
                        System.out.println("it was interrupted and will exit!");
                        break;
                    }
                }
            }
        });
        t1.start();

        try {
            Thread.sleep(2000);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }

        t1.interrupt();
        try {
            t1.join();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        System.out.println("finished......");

    }
}

总结：
1.调用interrupt方法只是设置线程的中断标志为true。被interrupt的线程自己来决定后续动作，不一定会中断线程的运行
2.线程可以通过isInterrupted()方法来检查自己的中断标记来决定后续动作