//源碼
public void interrupt() {
    if (this != Thread.currentThread())
        checkAccess();
        synchronized (blockerLock) {
            Interruptible b = blocker;
            if (b != null) {
                interrupt0();           // Just to set the interrupt flag
                b.interrupt(this);
                return;
            }
	}
	interrupt0();
}

//例一
package online.hengtian.Thread;
import java.util.concurrent.TimeUnit;
public class InterruptDemo {
    public static void main(String[] args){
        Thread t1=new Thread(()->{
            int i=0;
            while(i<5){
                System.out.println(i+" : 我當(dāng)前的中斷狀態(tài)"+Thread.currentThread().isInterrupted());
                try {
                    TimeUnit.SECONDS.sleep(1);
                    System.out.println(i+" : 我沒(méi)被中斷");
                } catch (InterruptedException e) {
                    System.out.println("我被中斷了");
                    System.out.println(i+" : 此時(shí)我的中斷狀態(tài)是"+Thread.currentThread().isInterrupted());
                }
                i++;
            }
        });
        t1.start();
        t1.interrupt();
    }
}

//當(dāng)線程被interrupt之后才會(huì)進(jìn)入sleep方法
package online.hengtian.Thread;
import java.util.concurrent.TimeUnit;
public class InterruptDemo {
    public static void main(String[] args) throws InterruptedException {
        Thread t1=new Thread(()->{
            //changed beginning
            while(!Thread.currentThread().isInterrupted()){
                System.out.println("我當(dāng)前沒(méi)被中斷");
            }
            //changed end
            int i=0;
            while(i<5){
                System.out.println(i+" : 我當(dāng)前的中斷狀態(tài)"+Thread.currentThread().isInterrupted());
                try {
                    TimeUnit.SECONDS.sleep(1);
                    System.out.println(i+" : 我沒(méi)被中斷");
                } catch (InterruptedException e) {
                    System.out.println("我被中斷了");
                    System.out.println(i+" : 此時(shí)我的中斷狀態(tài)是"+Thread.currentThread().isInterrupted());
                }
                i++;
            }
        });
        t1.start();
        TimeUnit.SECONDS.sleep(2);
        t1.interrupt();
    }
}