Java Day of Month getLastDayOfMonth(Date date)

Description

get Last Day Of Month

License

Open Source License

Declaration

public static Date getLastDayOfMonth(Date date) 

Method Source Code

//package com.java2s;
/**/*from www.  j  a v a  2  s. co m*/
 * Copyright (c) 2013 M. Alexander Nugent Consulting <i@alexnugent.name>
 *
 * M. Alexander Nugent Consulting Research License Agreement
 * Non-Commercial Academic Use Only
 *
 * This Software is proprietary. By installing, copying, or otherwise using this
 * Software, you agree to be bound by the terms of this license. If you do not agree,
 * do not install, copy, or use the Software. The Software is protected by copyright
 * and other intellectual property laws.
 *
 * You may use the Software for non-commercial academic purpose, subject to the following
 * restrictions. You may copy and use the Software for peer-review and methods verification
 * only. You may not create derivative works of the Software. You may not use or distribute
 * the Software or any derivative works in any form for commercial or non-commercial purposes.
 *
 * Violators will be prosecuted to the full extent of the law.
 *
 * All rights reserved. No warranty, explicit or implicit, provided.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARR?ANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

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

public class Main {
    public static Date getLastDayOfMonth(Date date) {

        date = addMonths(date, 1);
        return getLastDayOfPreviousMonth(date);
    }

    /**
     * Add months to a date. Use - sign to subtract months
     * 
     * @param date
     * @param months
     * @return
     */
    public static Date addMonths(Date date, int months) {

        Calendar lCalendar = Calendar.getInstance();
        lCalendar.setTime(date);
        lCalendar.add(Calendar.MONTH, months);
        return lCalendar.getTime();
    }

    public static Date getLastDayOfPreviousMonth(Date date) {

        Calendar lCalendar = Calendar.getInstance();
        lCalendar.setTime(date);

        lCalendar.set(Calendar.DAY_OF_MONTH, 1);
        Date lTmpDate = lCalendar.getTime();

        return addDays(lTmpDate, -1);
    }

    /**
     * Add days to a date. Use - sign to subtract days
     * 
     * @param date
     * @param days
     * @return
     */
    public static Date addDays(Date date, int days) {

        Calendar lCalendar = Calendar.getInstance();
        lCalendar.setTime(date);
        lCalendar.add(Calendar.DAY_OF_YEAR, days);
        return lCalendar.getTime();
    }
}

Related

1. getLastDayOfMonth()
2. getLastDayOfMonth()
3. getLastDayOfMonth(Calendar c)
4. getLastDayOfMonth(Date currDate)
5. getLastDayOfMonth(Date date)
6. getLastDayOfMonth(Date date)
7. getLastDayOfMonth(Date date)
8. getLastDayOfMonth(Date date)
9. getLastDayOfMonth(Date date)