package threaddemo;

public class InterruptTest implements Runnable{
    @Override
    public void run() {
        try {
            while(true) {
                boolean a = Thread.currentThread().isInterrupted();
                System.out.println(STR."in run() - about to sleep for 20 seconds------- \{a}");
                Thread.sleep(20000L);
            }
        } catch (InterruptedException e) {
            //如果不加上这一句，那么cd将会都是false，因为在捕捉到InterruptedException异常的时候就会自动的中断标志置为了false
            Thread.currentThread().interrupt();
            boolean c = Thread.interrupted(); //true
            boolean d = Thread.interrupted(); //false

            System.out.println(STR."c =  \{c}");
            System.out.println(STR."d = \{d}");
        }
    }

    public static void main(String[] args) {
        InterruptTest it = new InterruptTest();
        Thread t = new Thread(it);

        t.start();

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

        System.out.println("in main() - interrupting other thread");
        //中断线程t
        t.interrupt();
        System.out.println("in main() - leaving");
    }
}