JAVA中定时任务

• package temp;

  import java.util.Timer;
  import java.util.TimerTask;

  public class GreetingServer {

  public static void main(String[] args) {
  Timer t=new Timer();
  t.schedule(new A(), 5*1000);
  }
  }

  class A extends TimerTask{

  @Override
  public void run() {
  System.out.println("123");
  }
  
  }