isInterrupted()可以判斷當(dāng)前線程是否被中斷，僅僅是對interrupt()標(biāo)識的一個判斷，并不會影響標(biāo)識發(fā)生任何改變（因為調(diào)用interrupt()的時候會設(shè)置內(nèi)部的一個叫interrupt flag的標(biāo)識）。

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());}

實例擴(kuò)展補充：

ublic class t12 { public static void main(String[] args) {try { MyThread12 thread = new MyThread12(); thread.start(); Thread.sleep(500); thread.interrupt(); System.out.println('是否終止1？ =' + thread.interrupted()); System.out.println('是否終止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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