Re: Disposing of Objects?

From	Davej <galt_57@hotmail.com>
Newsgroups	comp.lang.java.help
Subject	Re: Disposing of Objects?
Date	2011-11-15 12:15 -0800
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On Nov 15, 12:10 pm, Daniel Pitts wrote:
> On 11/15/11 9:56 AM, Davej wrote:
> > On Nov 15, 10:17 am, Lew  wrote:
> >> [...]
>
> >> What do you mean by "reinstantiating"?
>
> > I have q declared as a global inside the main class...
>
> > public class MortgageView extends FrameView {
> >    Mortgage q;//globals
>
> > ....then inside the button event handler I execute...
>
> > q = new Mortgage(amt, term, int);//creates table
>
> > ....if the button is pressed again the statement is executed again. I
> > would call this "reinstantiation."
>
> You may call q global and call that reinstantiation, but you'd be wrong
> on both counts.
>
> However, to a better point, you should not be using "new Mortgage"
> inside MortgageView at all! Mortgage should be instantiated by your
> controller, and passed to the view.  Mortgage is your model.
>
> If you have a button that says "New Mortgage", then the handler (which
> is in the controller) should call new Mortgage() and pass it to all
> views which care about it.
>
> HTH,
> Daniel.

Ok, maybe I need an introduction to the controller. You create a new
desktop application in Netbeans and all you have is the view class.
Button events are handled in routines inside this view class. Thanks.

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Thread

Disposing of Objects? Davej <galt_57@hotmail.com> - 2011-11-15 06:59 -0800
  Re: Disposing of Objects? markspace <-@.> - 2011-11-15 07:08 -0800
    Re: Disposing of Objects? Lew <lewbloch@gmail.com> - 2011-11-15 08:17 -0800
      Re: Disposing of Objects? Davej <galt_57@hotmail.com> - 2011-11-15 09:56 -0800
        Re: Disposing of Objects? Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2011-11-15 10:10 -0800
          Re: Disposing of Objects? Davej <galt_57@hotmail.com> - 2011-11-15 12:15 -0800
            Re: Disposing of Objects? markspace <-@.> - 2011-11-15 12:51 -0800
        Re: Disposing of Objects? Lew <lewbloch@gmail.com> - 2011-11-15 13:00 -0800
        Re: Disposing of Objects? Eric Sosman <esosman@ieee-dot-org.invalid> - 2011-11-15 21:59 -0500
          Re: Disposing of Objects? markspace <-@.> - 2011-11-15 19:13 -0800
            Re: Disposing of Objects? Eric Sosman <esosman@ieee-dot-org.invalid> - 2011-11-15 22:32 -0500
  Re: Disposing of Objects? Davej <galt_57@hotmail.com> - 2011-11-15 08:08 -0800
    Re: Disposing of Objects? markspace <-@.> - 2011-11-15 08:32 -0800
    Re: Disposing of Objects? Lew <lewbloch@gmail.com> - 2011-11-15 12:57 -0800
  Re: Disposing of Objects? Roedy Green <see_website@mindprod.com.invalid> - 2011-11-16 06:23 -0800

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