java isInterrupted()如何判断线程 java isInterrupted()判断线程的实例讲解
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1、说明
isInterrupted()可以判断当前线程是否被中断,仅仅是对interrupt()标识的一个判断,并不会影响标识发生任何改变(因为调用interrupt()的时候会设置内部的一个叫interrupt flag的标识)。
2、实例
public static void main(String[] args) throws InterruptedException{ Thread thread = new Thread(()->{ while (true){} }); thread.start(); TimeUnit.SECONDS.sleep(1); System.out.println("Thread is interrupted :"+thread.isInterrupted()); thread.interrupt(); System.out.println("Thread is interrupted :"+thread.isInterrupted()); }
实例扩展补充:
ublic class t12 { public static void main(String[] args) { try { MyThread12 thread = new MyThread12(); thread.start(); Thread.sleep(500); thread.interrupt(); System.out.println("是否终止1? =" + thread.interrupted()); System.out.println("是否终止2? =" + thread.interrupted()); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } System.out.println("-------------end-------------"); } } class MyThread12 extends Thread { public void run() { for (int i = 0; i < 50000; i++) { System.out.println("i = " + i); } } }
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