public class test32 {public static void main(String[] args){Thread xc13=new Thread(new Xc44());Thread xc14=new Thread(new Xc44());xc13.setName("线程一");xc14.setName("线程二");xc13.start();xc14.start();}
}
class Xc44 implements Runnable {public void run(){for (int i=0;i<30;i++){System.out.println(Thread.currentThread().getName()+""+i);if(i%5==0){Thread.yield();//执行到5的倍数就出去}}}
}

运行结果