Java Date to Month monthOf(Date date)

Description

Dates Extracts the month of the given Date starting at 1 (January=1, February=2, ...).

License

Apache License

Parameter

Parameter	Description
date	the date to extract the month from - must not be null.

Exception

Parameter	Description
NullPointerException	if given Date is null

Return

the month of the given Date starting at 1 (January=1, February=2, ...)

Declaration

public static int monthOf(Date date) 

Method Source Code

//package com.java2s;
/**/*  ww w  .j  a  va2s  . c  o  m*/
 * 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.
 *
 * Copyright 2012-2016 the original author or authors.
 */

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

public class Main {
    /**
     * Dates Extracts the month of the given Date <b>starting at 1</b> (January=1, February=2, ...).
     *
     * @param date the date to extract the month from - must not be null.
     * @return the month of the given Date <b>starting at 1</b> (January=1, February=2, ...)
     * @throws NullPointerException if given Date is null
     */
    public static int monthOf(Date date) {
        return toCalendar(date).get(Calendar.MONTH) + 1; // based 1 month (January=1)
    }

    /**
     * Converts the given Date to Calendar, returns null if the given Date is null.
     *
     * @param date the date to convert to a Calendar.
     * @return the Calendar corresponding to the given Date or null if the given Date is null.
     */
    public static Calendar toCalendar(Date date) {
        if (date == null) {
            return null;
        }
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        return calendar;
    }
}

Related

1. getNextMonthsByStartDate(Date date, int month)
2. month(Date date)
3. month(Date inDate, TimeZone timeZone)
4. month(final Date date)
5. monthBegin(final Date date)