Java Week of Year getWeekOfPreYearWeek(int year, int week)

Description

get Week Of Pre Year Week

License

Apache License

Declaration

public static int getWeekOfPreYearWeek(int year, int week) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

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

public class Main {
    public static int getWeekOfPreYearWeek(int year, int week) {
        return week == 1 ? getMaxWeekNumOfYear(year) : week - 1;
    }/*from w ww  .  j a  va 2 s.com*/

    public static int getMaxWeekNumOfYear(int year) {
        Calendar c = new GregorianCalendar();
        c.set(year, Calendar.DECEMBER, 31, 23, 59, 59);
        return getWeekNumber(c.getTime());
    }

    public static int getWeekNumber(Date date) {
        Calendar c = new GregorianCalendar();
        c.setFirstDayOfWeek(Calendar.MONDAY);
        c.setMinimalDaysInFirstWeek(7);
        c.setTime(date);

        return c.get(Calendar.WEEK_OF_YEAR);
    }
}

Related

1. getWeekOfYear()
2. getWeekOfYear(String year, String month, String day)
3. getWeekOfYearByDay(String year, String month, String day)
4. getWeekOfYearFromTimestamp(long ms)