ScheduledExecutorService的用法——定时执行两个任务

package control;

import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;

public class TimerManager {
	//
	Log log=Log.getLoger();

	 private  ScheduledExecutorService scheduExec;
	 public long start;
	 public TimerManager() {

	  this.scheduExec =  Executors.newScheduledThreadPool(2);  

      this.start = System.currentTimeMillis();
      long oneDay = 24 * 60 * 60 * 1000;
      long initDelayOne  = getTimeMillis("3:00:00") - System.currentTimeMillis();
      initDelayOne = initDelayOne > 0 ? initDelayOne : oneDay + initDelayOne;
      long initDelayTwo  = getTimeMillis("3:00:00") - System.currentTimeMillis();
      initDelayTwo = initDelayTwo > 0 ? initDelayTwo : oneDay + initDelayTwo;  

	 }

	 public void timerOne(){
	        scheduExec.scheduleWithFixedDelay(new Runnable() {
	            public void run() {
	            	...
	            	System.out.println("timerOne invoked .....");  

	            }
	        },0,5000, TimeUnit.MILLISECONDS);
	    }  

	   public void timerTwo(){
	        scheduExec.scheduleAtFixedRate(new Runnable() {
	            public void run() {
	            	...
	                System.out.println("timerTwo invoked .....");
	            }
	        },2000,5000,TimeUnit.MILLISECONDS);  

	    }  

	 /**
	  * @param time "HH:mm:ss"
	  * @return
	  */
	 private static long getTimeMillis(String time) {
	     try {
	         DateFormat dateFormat = new SimpleDateFormat("yy-MM-dd HH:mm:ss");
	         DateFormat dayFormat = new SimpleDateFormat("yy-MM-dd");
	         Date curDate = dateFormat.parse(dayFormat.format(new Date()) + " " + time);
	         return curDate.getTime();
	     } catch (ParseException e) {
	         e.printStackTrace();
	     }
	     return 0;
	 }  

	 public static void main(String[] args) {
		    TimerManager test = new TimerManager();
	        test.timerOne();
	    }
}