使用SimpleDateFormat格式化秒

import java.text.SimpleDateFormat;

import java.util.Date;
/* 
*来 自
 N o w  J a v a  .   c o m
*/

 

public class Main {

 

  public static void main(String[] args) {

     Date date = new Date();

   

     //formatting seconds in s format like 1,2 etc.

     String strDateFormat = "s";

     SimpleDateFormat sdf = new SimpleDateFormat(strDateFormat);

     

     System.out.println("seconds in s format : " + sdf.format(date));

     

     //formatting seconds in ss format like 01, 02 etc.

     strDateFormat = "ss";//n o w    j a v a  . c o m

     sdf =