Java tutorial
/** * OpenKM, Open Document Management System (http://www.openkm.com) * Copyright (c) 2006-2017 Paco Avila & Josep Llort * <p> * No bytes were intentionally harmed during the development of this application. * <p> * 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. * <p> * 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. * <p> * 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. */ package com.openkm.util; import org.joda.time.DateTime; import org.joda.time.Days; import java.util.Calendar; import java.util.Date; public class TimeUtils { public static int daysBetween(Date first, Date second) { return Days.daysBetween(new DateTime(first), new DateTime(second)).getDays(); } public static int daysBetween(Calendar first, Calendar second) { return Days.daysBetween(new DateTime(first), new DateTime(second)).getDays(); } }