Here you can find the source of now()
public static Date now()
//package com.java2s; /*/*from ww w. j a v a2 s . c o m*/ * Copyright sunflower * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * */ import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Date; public class Main { public static final SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd"); public static Date now() { return new Date(); } public static Date now(String format) { SimpleDateFormat sdf = new SimpleDateFormat(format); try { return parseDate(sdf.format(now())); } catch (ParseException e) { e.printStackTrace(); } return null; } public static Date parseDate(String date) throws ParseException { return dateFormat.parse(date); } }