Java Day of Week getWeekNumberFromDate(Date date)

Description

Compute the week number of parameter date

License

Apache License

Parameter

Parameter	Description
date	a parameter

Return

Week number : ex 13

Declaration

public static int getWeekNumberFromDate(Date date) 

Method Source Code

//package com.java2s;
/*/*from   www.  j  a v  a  2s .  co m*/
 * Copyright 2016 Hurence
 *
 * 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.Calendar;
import java.util.Date;

public class Main {
    /**
     * Compute the week number of parameter date
     *
     * @param date
     * @return Week number : ex 13
     */
    public static int getWeekNumberFromDate(Date date) {

        if (date != null) {
            Calendar calendar = Calendar.getInstance();
            calendar.setFirstDayOfWeek(Calendar.MONDAY);
            calendar.setTime(date);

            return calendar.get(Calendar.WEEK_OF_YEAR);
        } else {
            return 0;
        }
    }
}

Related

1. getWeekFirstDay(Date weekday)
2. getWeekID(Date dateValue)
3. getWeekNum(Date date)
4. getWeekNumber(Date date)
5. getWeekNumber(Date date, Integer day)
6. getWeekNumOfYear(Date date)
7. getWeekOfDate(Date dt)
8. getWeekOfDay(Date date)
9. getWeekOfMonth(Date date)