Here you can find the source of getTotalMonths(final Date startDateToCheck, final Date endDateToCheck)
Parameter | Description |
---|---|
startDateToCheck | a parameter |
endDateToCheck | a parameter |
public static int getTotalMonths(final Date startDateToCheck, final Date endDateToCheck)
//package com.java2s; /*// w w w . j av a 2 s .com * iteraplan is an IT Governance web application developed by iteratec, GmbH * Copyright (C) 2004 - 2014 iteratec, GmbH * * This program is free software; you can redistribute it and/or modify it under * the terms of the GNU Affero General Public License version 3 as published by * the Free Software Foundation with the addition of the following permission * added to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED * WORK IN WHICH THE COPYRIGHT IS OWNED BY ITERATEC, ITERATEC DISCLAIMS THE * WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS. * * 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 Affero General Public License * along with this program; if not, see http://www.gnu.org/licenses or write to * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, * MA 02110-1301 USA. * * You can contact iteratec GmbH headquarters at Inselkammerstr. 4 * 82008 Munich - Unterhaching, Germany, or at email address info@iteratec.de. * * The interactive user interfaces in modified source and object code versions * of this program must display Appropriate Legal Notices, as required under * Section 5 of the GNU Affero General Public License version 3. * * In accordance with Section 7(b) of the GNU Affero General Public License * version 3, these Appropriate Legal Notices must retain the display of the * "iteraplan" logo. If the display of the logo is not reasonably * feasible for technical reasons, the Appropriate Legal Notices must display * the words "Powered by iteraplan". */ import java.util.Calendar; import java.util.Date; public class Main { /** * Number of month in between start and end date * * @param startDateToCheck * @param endDateToCheck * @return Number of months */ public static int getTotalMonths(final Date startDateToCheck, final Date endDateToCheck) { int calculatedMonths = 0; Calendar startDateToCheckC = Calendar.getInstance(); startDateToCheckC.setTime(startDateToCheck); Calendar endDateToCheckC = Calendar.getInstance(); endDateToCheckC.setTime(endDateToCheck); if (startDateToCheckC.get(Calendar.YEAR) != endDateToCheckC.get(Calendar.YEAR)) { int fullYears = endDateToCheckC.get(Calendar.YEAR) - startDateToCheckC.get(Calendar.YEAR) - 1; int startYearMonthCount = 12 - startDateToCheckC.get(Calendar.MONTH); int endYearMonthCount = endDateToCheckC.get(Calendar.MONTH) + 1; calculatedMonths = startYearMonthCount + endYearMonthCount + (fullYears * 12); } else { calculatedMonths = endDateToCheckC.get(Calendar.MONTH) - startDateToCheckC.get(Calendar.MONTH) + 1; } return calculatedMonths; } }