Re: Component.add ignores addition of same object ???

From:
Superboer <superboer7@t-online.de>
Newsgroups:
comp.lang.java.programmer
Date:
Fri, 11 Apr 2008 05:07:42 -0700 (PDT)
Message-ID:
<fd61e3f2-e262-4b20-a4df-d7847eb310fa@n1g2000prb.googlegroups.com>
Hello Sabine,

Thanks for the responce...

But if you want X JTextFields, then you need to create X new
JTextFields. Otherwise, are you trying to display several input fields,
that all refer to the same object? What do you hope to gain from this?


yeah i know but i do sometimes need to display an object twice or
more.....
and this has to be a JTextField or a derived form.
i was kinda baffled that when i add a component, java kicked it out
without telling..
and since i can not find a thing in the manual....

The real question is:

is this allowed or not despite the fact what one wants with it... if
it is
not allowed i need to copy stuff. (not easy and nice....)

Superboer.

way fast=http://www.clipjes.nl/clip/nederlands/n/normaal_-
_oerend_hard.html

On 11 apr, 13:46, Sabine Dinis Blochberger <no.s...@here.invalid>
wrote:

Superboer wrote:

Hello All,

sorry for my ignorance, however why does this:
==================================

import javax.swing.*;

class x{

    public static void main (String[] args) {
    JPanel j = new JPanel(false);

    JTextField jtf = new JTextField("nr");
    for (int i = 0 ; i < 10; i++){
      j.add(jtf);
    }

    System.out.println("have added:"+j.getComponentCount()+": to
JPanel...");

  }

}
==================================

yield one. ???
And yes i do want to add X times the same object, not X times a new
object....
I can not find a clue in the manual.

Thanks

Superboer.


But if you want X JTextFields, then you need to create X new
JTextFields. Otherwise, are you trying to display several input fields,
that all refer to the same object? What do you hope to gain from this?

You can re-use the local Variable for adding (if you don't need any
reference to your JTextfields later on), but the new statement needs to
be inside the loop.

--
Sabine Dinis Blochberger

Op3racionalwww.op3racional.eu

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