线程的常用方法 1.start() 线程调用该方法将启动线程,使之从新建状态进入就绪队列排队. 2.run() 3.sleep() 4.isAlive() 线程处于新建状态时,线程调用isAlive()方法返回false. public class ClassRoom implements Runnable { Thread student, teacher; ClassRoom() { teacher = new Thread(this); student = new Thread(this)…