public class Mythread extends Thread{
 public void run(){
  super.run();
  for(int i =0 ;i<50000;i++){
   if(this.interrupted()){
    System.out.println("停止");
    break;
   }
  }
  System.out.println("i="+(i+1));
 }
}
public class Run{
 try{
  MyThread thread = new MyThread();
  thread.start();
  thread.sleep(1000);
  thread.interrupt(); //打上标记
 }catch(Exception e){
  System.out.println("main");
  e.printStackTrace();
 }
 System.out.println("end!")
}

public class Mythread extends Thread{
 public void run(){
  super.run();
  try{
   for(int i =0 ;i<50000;i++){
    if(this.interrupted()){
     System.out.println("停止");
     throw new Exception();
    }
   }
   System.out.println("i="+(i+1));
  }catch(Exception e){
   System.out.println("抛出异常了");
   e.printStackTrace();
  }
 }
}