java tips 之 java Time

package phlin.samples.currenttime;


import java.sql.Date;
import java.text.DateFormat;
import java.util.Calendar;
import java.util.GregorianCalendar;


public class CurrentTime {


private static long totalMillliSecond=0;
private long second=0;
private long minute=0;
private long hour=0;

private long totalSecond=0;
private long totalMinute=0;
private long totalHour=0;
private String currentTime="00:00:00";
public static void main(String[] args) {
CurrentTime time=new CurrentTime() ;
System.out.println("time is "+time.getCurrentTime());

  Date date = new Date(System.currentTimeMillis());
  System.out.println("Date "+date);
  
  DateFormat df1 = DateFormat.getInstance(); 
  System.out.println("Date "+df1.format(date));
  
  Calendar c=Calendar.getInstance();
     //  c.setTimeInMillis(totalMillliSecond);
  
  
       System.out.println("Time is "+c.get(Calendar.HOUR)
      +":"+c.get(Calendar.MINUTE)
      +":"+c.get(Calendar.SECOND));
   
}
public CurrentTime() {
// TODO Auto-generated constructor stub
totalMillliSecond=System.currentTimeMillis();
totalSecond=(totalMillliSecond/1000);
totalMinute=totalSecond/60;
totalHour=totalMinute/60;
}
/**
* 
* @return
*/
public long getTotalMillliSecond() {
return totalMillliSecond;
}
/**
* 
* @return
*/
public long getSecond() {
   //总秒数取余得显示秒数
second=totalSecond%60;
return second;
}
public long getMinute() {
//总分钟数
minute=totalMinute%60;
return minute;
}
public long getHour() {

hour=totalHour%24;
return hour;
}
public String getCurrentTime() {

currentTime=""+getHour()+":"+getMinute()+":"+getSecond();
return currentTime;
}



}