夯实Java基础，一篇文章全解析线程问题( 二 ) _生活百科

TIMED_WAITING（超时等待）
处于RUNNABLE状态的线程调用wait(long)方法之后，就处于等待状态，需要其他线程显示地唤醒。

BLOCKED（阻塞）
等待进入synchronized方法/代码块，处于阻塞状态。

TERMINATED（终止）
表示线程已经执行结束。

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4. 线程常用方法说一下线程有哪些常用的方法。
方法定义含义使用方式public synchronized void start() {……}启动线程MyThread myThread = new MyThread(); myThread.start();public static native Thread currentThread();获取当前线程实例对象Thread thread = Thread.currentThread();public static native void yield();让出CPU时间片Thread.yield();public static native void sleep(long millis);睡眠指定时间Thread.sleep(1L);public void interrupt() {……}中断线程MyThread myThread = new MyThread();myThread.interrupt();public static boolean interrupted() {……}判断线程是否已中断MyThread myThread = new MyThread(); boolean interrupted = myThread.isInterrupted();public final native boolean isAlive();判断线程是否是存活状态MyThread myThread = new MyThread(); boolean alive = myThread.isAlive();public final String getName() {……}获取线程名称MyThread myThread = new MyThread(); String name = myThread.getName();public State getState() {……}获取线程状态MyThread myThread = new MyThread(); Thread.State state = myThread.getState();public long getId() {……}获取线程IDMyThread myThread = new MyThread(); long id = myThread.getId();public final void join() {……}等待其他线程执行完再执行MyThread myThread = new MyThread();myThread.join();