Here you can find the source of formatDateString(String dateString)
public static String formatDateString(String dateString)
//package com.java2s; /**//from w w w .j a v a 2 s .com * Created on Aug 9, 2004 * * Copyright 2005 by Arysys Technologies (P) Ltd., * #3,Shop line, * Sasmira Marg, * Worli,Mumbai 400 025 * India * * All rights reserved. * * This software is the confidential and proprietary information * of Arysys Technologies (P) Ltd. ("Confidential Information"). * You shall not disclose such Confidential Information and shall use * it only in accordance with the terms of the license agreement * you entered into with Arysys Technologies (P) Ltd. * */ import java.text.SimpleDateFormat; import java.util.Date; public class Main { public static String formatDateString(String dateString) { try { if ("".equals(dateString) || dateString == null) { return null; } SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); Date date = sdf.parse(dateString); sdf.applyPattern("yyyy-MM-dd HH:mm:ss"); return sdf.format(date); } catch (Exception e) { e.printStackTrace(); } return ""; } }