package com.zf.test;

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

public class Test7 {
    
    public void delete(){
        System.out.println("delete...");
    }
    
    public void start(){
        new Timer().schedule(new TimerTask() {
            public void run() {
                delete();
            }
        }, 0 , 60000 * 24); 
    }
    
    public static void main(String[] args) {
        new Test7().start();
    }

}

------解决方案--------------------
1.timer&timerTask
2.ScheduledExecutorService


------解决方案--------------------
spring中有定时器功能，而且very easy