Here you can find the source of formatDate(long date, String format)
public static String formatDate(long date, String format)
//package com.java2s; /*/*from w w w. java2s . com*/ * This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the * Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that * it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If * not, see <http://www.gnu.org/licenses/>. */ import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.Date; public class Main { /** * Format the given date on the given format * * @param date * : the date to format. * @param format * : the format to correct by. * @return a string representation of the formatted date. */ public static String formatDate(Date date, String format) { final DateFormat dateFormat = new SimpleDateFormat(format); if (date != null) return dateFormat.format(date); return null; } public static String formatDate(long date, String format) { final DateFormat dateFormat = new SimpleDateFormat(format); if (date > 0) return dateFormat.format(date); return null; } }