apple0817

class apple0817 extends Thread{
public void run() {
int i;
    for(i = 1; i < 100; i++) {
      System.out.println(i);
      try {
        sleep(500);
      } catch (InterruptedException e) {
      }
    }
  }

  public static void main(String[] args){
    apple0817 th1 = new apple0817();
    apple0817 th2 = new apple0817();
    th1.start();
    th2.start();
  }
}