Java Day of Week getWeekFirstDay(Date weekday)

Description

get Week First Day

License

Open Source License

Declaration

public static Date getWeekFirstDay(Date weekday) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

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

public class Main {

    public static Date getWeekFirstDay(Date weekday) {
        Calendar cal = Calendar.getInstance();
        cal.setTime(weekday);//from  ww  w.  j ava 2s .  com
        if (cal.get(cal.DAY_OF_WEEK) == 1) {//sunday
            cal.add(cal.DATE, -6);
        } else {
            cal.add(cal.DATE, 2 - cal.get(cal.DAY_OF_WEEK));
        }
        return cal.getTime();
    }
}

Related

1. getWeekdayInterval(Date date)
2. getWeekDayOfYear(Date date)
3. getWeekDays(String _date, int _amount)
4. getWeekDaysBetween(Date fromDate, Date toDate, int dayOfWeek)
5. getWeekEnd(Date date, int w)
6. getWeekID(Date dateValue)
7. getWeekNum(Date date)
8. getWeekNumber(Date date)
9. getWeekNumber(Date date, Integer day)