java多线程的使用2

class Sleeper extends Thread
{
    private int duration;
    public Sleeper(String name,int sleepTime)
    {
        super(name);
        duration=sleepTime;
        start();
    }
    public void run(){
        try {
            sleep(duration);
        } catch (Exception e) {
            System.out.println(getName()+" was interrupted."+"isInterrupted():"+isInterrupted());
            return;
        }
        System.out.println(getName()+" has awakened");
    }
}

class Joiner extends Thread{
    private Sleeper sleeper;
    public Joiner(String name,Sleeper sleeper){
        super(name);
        this.sleeper=sleeper;
        start();
    }
    public void run(){
        try {
            sleeper.join();
        } catch (Exception e) {
            System.out.println("Interrupted");
        }
        System.out.println(getName()+" join completed");
    }
}

public class Joining {
    public static void main(String[] args) {
        Sleeper
        sleepy=new Sleeper("Sleepy", 1500),
        grumpy=new Sleeper("Grumpy", 1500);
        Joiner
        dopey=new Joiner("dopey", sleepy),
        doc=new Joiner("doc", grumpy);
        grumpy.interrupt();
    }
}