//Java线程优先级范围1-10  默认为5  在cpu同一时间片内 优先级大的抢占cpu优势大   public class Test {    public static void main(String[] args) {        Thread t1 = new MyThread1();        Thread t2 = new Thread(new MyRunnable());        t1.setPriority(10);        t2.setPriority(1);        t2.start();        t1.start();    }}class MyThread1 extends Thread {    public void run() {        for (int i = 0; i < 10; i++) {            System.out.println("线程1第" + i + "次执行！");        }    }}class MyRunnable implements Runnable {    public void run() {        for (int i = 0; i < 10; i++) {            System.out.println("线程2第" + i + "次执行！");        }    }}