Java Day End calcYears(Date startDate, Date endDate)

Description

calc Years

License

Open Source License

Declaration

private static float calcYears(Date startDate, Date endDate) 

Method Source Code

//package com.java2s;
/**/*from  ww w  .j  ava  2  s. c o m*/
 * Copyright (c) 2001-2002. Department of Family Medicine, McMaster University. All Rights Reserved.
 * This software is published under the GPL GNU General Public License.
 * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 * This software was written for the
 * Department of Family Medicine
 * McMaster University
 * Hamilton
 * Ontario, Canada
 */

import java.util.Calendar;
import java.util.Date;

public class Main {
    private static float calcYears(Date startDate, Date endDate) {
        Calendar startCalendar = Calendar.getInstance();
        startCalendar.setTime(startDate);

        Calendar endCalendar = Calendar.getInstance();
        endCalendar.setTime(endDate);

        long time = endCalendar.getTimeInMillis()
                - startCalendar.getTimeInMillis();
        float years = time / 1000.0f / 60.0f / 60.0f / 24.0f / 365.0f;

        return years;

    }
}

Related

1. absoluteDay(Calendar cal)
2. calculateMaxStartDate(Calendar calendar, int daysAhead)
3. calenderFromDateString(String dateAndTime)
4. checkTimeInRangeWithSkew(Date timeToCheck, Date startDate, Date endDate, int skewInMinutes)
5. checkTimePeriod(final Date beginHour, final Date endHour, final Date hour)
6. countDaysBetween(Date start, Date end)