定时器是一种特殊的多线程,使用Timer来安排一次或者重复执行某个任务
1 package org.zln.thread; 2 3 import java.util.Date; 4 import java.util.Timer; 5 import java.util.TimerTask; 6 7 /** 8 * Created by coolkid on 2015/6/21 0021. 9 */ 10 public class TestTimerTask extends TimerTask { 11 @Override 12 public void run() { 13 System.out.println(new Date()); 14 } 15 16 public static void main(String[] args) { 17 Timer timer = new Timer(); 18 TestTimerTask testTimerTask = new TestTimerTask(); 19 timer.schedule(testTimerTask,1000,1000); 20 21 } 22 }