Java tutorial
//package com.java2s; /* * Copyright (C) 2012 Krawler Information Systems Pvt Ltd * All rights reserved. * * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ import java.util.Calendar; import java.util.Date; import java.text.ParseException; import java.text.SimpleDateFormat; public class Main { public static Date getStartDateOfMonth(int year, int month) throws ParseException { SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); Calendar cal = Calendar.getInstance(); cal.set(Calendar.MONTH, month); cal.set(Calendar.YEAR, year); String startdat = year + "-" + (month + 1) + "-01"; Date startdate = sdf.parse(startdat); return startdate; } }