Java Month Calculate getNextMonthExtention(Date dt, Long n)

Description

get Next Month Extention

License

Apache License

Declaration

public static Date getNextMonthExtention(Date dt, Long n) 

Method Source Code

//package com.java2s;
/*//  w ww .  jav a  2 s. c  o  m
 *    Copyright (c) 2015 Power Group.
 *     Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 *
 */

import java.util.*;

public class Main {

    public static Date getNextMonthExtention(Date dt, Long n) {

        Calendar cal = new GregorianCalendar();
        cal.setTime(dt);

        Calendar firstCal = new GregorianCalendar(cal.get(Calendar.YEAR),
                cal.get(Calendar.MONTH) + n.intValue(), 1);
        if (firstCal.getActualMaximum(Calendar.DAY_OF_MONTH) < cal
                .get(Calendar.DAY_OF_MONTH)) {
            return new GregorianCalendar(cal.get(Calendar.YEAR),
                    cal.get(Calendar.MONTH) + n.intValue() + 1, 1)
                    .getTime();

        } else {
            return new GregorianCalendar(cal.get(Calendar.YEAR),
                    cal.get(Calendar.MONTH) + n.intValue(),
                    cal.get(Calendar.DAY_OF_MONTH)).getTime();
        }
    }
}

Related

1. getMonthNumber()
2. getMonthsMap()
3. getMonthsOfAge(Date birth, Date now)
4. getMonthSpan(Date begin, Date end)
5. getNextMonth(long date)
6. getNowMonth()
7. getStartOfMonth(Calendar scal)
8. getThisMonthEnd()
9. getThisMonthStart()