public class ThreadInterrupt extends Thread{  
    public void run(){
	 long startTime = System.currentTimeMillis();
             	System.out.println("準備開始sleep");  
	try {  
             		Thread.sleep(2000);  
         	} catch ( InterruptedException x ) {  
             		System.out.println("線程被打斷了");  
        	} 

	System.out.println("線程運行時間: "+ (System.currentTimeMillis() - startTime));

    }

    public static void main(String[] args) {  
	ThreadInterrupt tt = new ThreadInterrupt();
	tt.start();
	tt.interrupt();
	System.out.println("主線程執行完");
    }  
 }