package J20250730.demo01_thread; /** * @author WanJl * @version 1.0 * @title Main * @description * @create 2025/7/30 */ public class Main { public static void main(String[] args) { MyThread mt1=new MyThread(); mt1.start();//一定要调用start方法,才会执行线程,否则不会。 MyThread mt2=new MyThread(); mt2.start(); //mt1.run(); //mt2.run(); } }