Here you can find the source of now()
public static String now()
//package com.java2s; /*/*from ww w .j a va 2 s . c o m*/ * DAITSS Copyright (C) 2007 University of Florida * * 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 2 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, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ import java.text.SimpleDateFormat; import java.util.Date; public class Main { /** * Method to return the current time in the form: * yyyy-MM-dd HH:mm:ss * * @return the current time in a string (yyyy-MM-dd HH:mm:ss) */ public static String now() { SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); Date d = new Date(); return sdf.format(d); } /** * @param format * @return String object */ public static String now(String format) { SimpleDateFormat sdf = new SimpleDateFormat(format); Date d = new Date(); return sdf.format(d); } }