Java Thread State

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public class ThreadState implements Runnable {public synchronized void waitForASecond() throws InterruptedException {wait(500); // 使当前线程等待0.5秒或其他线程调用notify()或notifyAll()方法}public synchronized void waitPermenant() throws InterruptedException {wait(); // 使当前线程永久等待，直到其他线程调用notify()或notifyAll()方法}public synchronized void notifyNow() throws InterruptedException {notify(); // 唤醒由调用wait()方法进入等待状态的线程}public void run() {try {waitForASecond(); // 在新线程中运行waitForASecond()方法waitPermenant(); // 在新线程中运行waitPermenant()方法} catch (InterruptedException e) {e.printStackTrace();}}}

public class Test {public static void main(String[] args) throws InterruptedException {ThreadState state = new ThreadState();// 创建State对象Thread thread = new Thread(state);// 利用State对象创建Thread对象System.out.println("新建线程：" + thread.getState());// 输出线程状态thread.start(); // 调用thread对象的start()方法，启动新线程System.out.println("启动线程：" + thread.getState());// 输出线程状态Thread.sleep(100); // 当前线程休眠0.1秒，使新线程运行waitForASecond()方法System.out.println("计时等待：" + thread.getState());// 输出线程状态Thread.sleep(1000); // 当前线程休眠1秒，使新线程运行waitForYears()方法System.out.println("等待线程：" + thread.getState());// 输出线程状态state.notifyNow(); // 调用state的notifyNow()方法System.out.println("唤醒线程：" + thread.getState());// 输出线程状态Thread.sleep(1000); // 当前线程休眠1秒，使新线程结束System.out.println("终止线程：" + thread.getState());// 输出线程状态}}

新建线程：NEW
启动线程：RUNNABLE
计时等待：TIMED_WAITING
等待线程：WAITING
唤醒线程：BLOCKED
终止线程：TERMINATED

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