Java Week End getFirstDayOfWeek(Date date)

Description

get First Day Of Week

License

Open Source License

Declaration

public static Date getFirstDayOfWeek(Date date) 

Method Source Code

//package com.java2s;

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

public class Main {

    public static Date getFirstDayOfWeek(int year, int week) {
        week = week - 1;//from  w w w  .  j  a  va  2s  .com
        Calendar calendar = Calendar.getInstance();
        calendar.set(Calendar.YEAR, year);
        calendar.set(Calendar.MONTH, Calendar.JANUARY);
        calendar.set(Calendar.DATE, 1);

        Calendar cal = (Calendar) calendar.clone();
        cal.add(Calendar.DATE, week * 7);

        return getFirstDayOfWeek(cal.getTime());
    }

    public static Date getFirstDayOfWeek(Date date) {
        Calendar calendar = Calendar.getInstance();
        calendar.setFirstDayOfWeek(Calendar.SUNDAY);
        calendar.setTime(date);
        calendar.set(Calendar.DAY_OF_WEEK, calendar.getFirstDayOfWeek()); // Sunday
        return calendar.getTime();
    }
}

Related

1. getFirstDayOfWeek(Date date)
2. getFirstDayOfWeek(Date date)
3. getFirstDayOfWeek(Date date)
4. getFirstDayOfWeekFromMonday(Date now)