考试第六题

package test06;

public class Jack implements Runnable{

    @Override
    public void run() {
        // TODO Auto-generated method stub
        
        try {
            Thread.sleep(500);
        } catch (InterruptedException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        Rose r = new Rose();
        Thread t = new Thread(r,"rose");
        try {
            t.join();
        } catch (InterruptedException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        System.out.println(Thread.currentThread().getName()+"说:"+" "+"我是查水表");
    return;
    }

}

package test06;

public class Rose extends Thread{

    @Override
    public void run() {
        // TODO Auto-generated method stub
        try {
            Thread.sleep(500);
        } catch (InterruptedException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        System.out.println(Thread.currentThread().getName()+"说:"+" "+"你是谁呀?");
        return;
    }
}

package test06;

public class Test {

    public static void main(String[] args) {
        
        
        Jack j = new Jack();
        Rose r = new Rose();
        
        for (int i = 0; i < 1000; i++) {
        
            Thread t1 = new Thread(j,"jack");
            Thread t2 = new Thread(r,"rose");
            
            try {
                t2.join();
                Thread.sleep(500);
                t1.join();
            } catch (InterruptedException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            t1.start();
            t2.start();
        }
        
        
    }
}