线程状态--礼让

package state;
//礼让不一定成功，看cpu调度
public class TestYield {
    public static void main(String[] args) {
        MyYield myYield = new MyYield();
        new Thread(myYield,"A").start();
        new Thread(myYield,"B").start();
    }
}
class MyYield implements Runnable{
    @Override
    public void run() {
        System.out.println(Thread.currentThread().getName()+"start");
        Thread.yield();
        System.out.println(Thread.currentThread().getName()+"finish");
    }
}