线程礼让

package 多线程练习;

/*
   线程礼让不一定每次都成功 看CPU调度
 */
public class ThreadYieldTest   {
    public static void main(String[] args) {
        Runnable rb1 = ()->{
            System.out.println(Thread.currentThread().getName()+" 开始执行");
            Thread.yield();  // 线程礼让
            System.out.println(Thread.currentThread().getName()+" 执行结束");
        };

        new Thread(rb1,"线程A").start();
        new Thread(rb1,"线程B").start();
    }
}

输出结果