TimerTask、Timer 定时任务



import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Timer;
import java.util.TimerTask;

public class TimerDemo {
 
 public static void main(String[] args) {
  SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
  try {
   Date date1 = sdf.parse("2016-09-06 14:16:00");
   Date date2 = sdf.parse("2016-09-06 14:17:00");
   Date date3 = sdf.parse("2016-09-06 14:16:30");
   Timer timer = new Timer();
   timer.schedule(new MyTask("id=1"), date1);
   timer.schedule(new MyTask("id=2"), date2);
   timer.schedule(new MyTask("id=3"), date3);
  } catch (ParseException e) {
   e.printStackTrace();
  }
 }
 
  static class MyTask extends TimerTask{   
   private String id;
   public MyTask(String id){
    this.id = id;
   }
      public void run(){    
    System.out.println("修改数据库操作" + id);   
      }    
 }   

}