Java tutorial
//package com.java2s; /* * Aipo is a groupware program developed by Aimluck,Inc. * Copyright (C) 2004-2011 Aimluck,Inc. * http://www.aipo.com * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ import java.util.Calendar; import java.util.TimeZone; public class Main { public static Calendar dateToCalendar(String strDate) { return dateToCalendar(strDate.substring(0, 4), strDate.substring(4, 6), strDate.substring(6, 8), false); } public static Calendar dateToCalendar(String strYear, String strMonth, String strDay, boolean b) { int year, month, day; try { year = Integer.parseInt(strYear); month = Integer.parseInt(strMonth) - 1; day = Integer.parseInt(strDay); } catch (StringIndexOutOfBoundsException e) { return null; } catch (NumberFormatException e) { return null; } Calendar cal = Calendar.getInstance(TimeZone.getDefault()); cal.setLenient(b); cal.set(year, month, day, 0, 0, 0); cal.set(Calendar.MILLISECOND, 0); return cal; } }