Java Day of Week getLastDayOfWeek(Date date)

Description

get Last Day Of Week

License

Open Source License

Declaration

public static Date getLastDayOfWeek(Date date) 

Method Source Code

//package com.java2s;

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

public class Main {

    public static Date getLastDayOfWeek(int year, int week) {
        week = week - 1;// www.  j a va 2 s  . c  o m
        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 getLastDayOfWeek(cal.getTime());
    }

    public static Date getLastDayOfWeek(Date date) {
        Calendar calendar = Calendar.getInstance();
        calendar.setFirstDayOfWeek(Calendar.SUNDAY);
        calendar.setTime(date);
        calendar.set(Calendar.DAY_OF_WEEK, calendar.getFirstDayOfWeek() + 6); // Saturday
        return calendar.getTime();
    }

    public static Date getFirstDayOfWeek(int year, int week) {
        week = week - 1;
        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

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3. getLastDayFromLastWeek(Date d)
4. getLastDayOfTheWeek(Date date)
5. getLastDayOfWeek(Date date)
6. getLastDayOfWeek(Date date)
7. getLastDayOfWeek(Date date)
8. getLastDayOfWeek(Date date)
9. getLastDayOfWeek(String str, int week)