Calculating week from GregorianCalendar.

Re: Calculating week from GregorianCalend ar.

cg_news wrote:
[color=blue]
> I understand that the GregorianCalend ar can be used to calculate the week
> of year for a date, and after instantiating a GregorianCalend ar object
> with the no arg constructor, I can infact retrieve the current week (since
> it initializes itself to the current date). However, when I try to create
> a GregorianCalend ar object by specifying a date in the constructor, it
> returns an incorrect value for the WEEK_OF_YEAR field? This is
> demonstrated by the code below.
>
> Is there something in need to do to 'initialize' this field in the
> calendar object? Am I not understanding the use of this object or is there
> something I am missing here?
>
> Any help or advice would be greatly appreciated.
> Carl.
>
> --- code ---
> import java.util.*;
>
> public class WeekTest {
>
> private GregorianCalend ar cal;
>
>
> public WeekTest(){
> // this works...
> this.cal = new GregorianCalend ar();
> setupWeek();
> }
>
>
> public WeekTest(int year, int month, int day){
> // this does not work?
> this.cal = new GregorianCalend ar(
> year, month, day, 01, 01, 01);
> setupWeek();
> }
>
>
> private void setupWeek() {
> this.cal.setFir stDayOfWeek(Cal endar.SUNDAY);
> this.cal.setMin imalDaysInFirst Week(4);
> }
>
> public void show(){
> System.out.prin tln(this.cal.to String());
> System.out.prin tln("Dare: " + this.cal.get(Ca lendar.MONTH)
> +
> "-" + this.cal.get(Ca lendar.DATE) +
> "-" + this.cal.get(Ca lendar.YEAR));
> System.out.prin tln("Week: " +
>[/color]
this.cal.get(Ca lendar.WEEK_OF_ YEAR)[color=blue]
> +
> " Year: " +
> this.cal.get(Ca lendar.YEAR));
> }
>
>
> public static void main(String[] args){
> //this seems to work fine...
> WeekTest wc = new WeekTest();
> wc.show();
>
> System.out.prin tln();
>
> //this does not !!!
> WeekTest wc2 = new WeekTest(2004, 01, 01);
> wc2.show();
> }
> }
> --- end-code ---[/color]

Nevermind,

Someone already informed me of my error. I was missing the bit about
calendar months being zero based (i.e. 2004, 01, 01 is infact Feb 1, 2004).