Here you can find the source of dateFormatString(Date date)
public static String dateFormatString(Date date)
//package com.java2s; //License from project: Apache License import java.text.SimpleDateFormat; import java.util.Date; public class Main { private static SimpleDateFormat simpleDateFormat = new SimpleDateFormat(); public static final String DATE_FORMAT_1 = "yyyy-MM-dd HH:mm:ss"; public static String dateFormatString(Date date) { return getDate2Str(DATE_FORMAT_1, date); }/* w w w . j a v a 2s . c o m*/ public static synchronized String getDate2Str(String format, Date date) { simpleDateFormat.applyPattern(format); return simpleDateFormat.format(date); } }