javase之任务调度（了解）
package com.ljl.thread;
import java.util.Timer;
import java.util.TimerTask;
public class TimeDemo1 {
public static void main(String[] args) {
Timer timer=new Timer();
timer.schedule(new TimerTask() {
@Override
public void run() {
System.out.println("您好");
}
}, 1000,1000);
}
}