Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > comp.lang.java.programmer > #15750

Re: Closing/Despose of JFrame

From Lew <lewbloch@gmail.com>
Newsgroups comp.lang.java.programmer
Subject Re: Closing/Despose of JFrame
Date 2012-06-29 10:19 -0700
Organization http://groups.google.com
Message-ID <9dc48bd0-257c-46e3-af47-0b61e3c649e3@googlegroups.com> (permalink)
References <5752befc-aca1-46f9-81d9-f3992bf756e7@googlegroups.com> <jshpac$3v7$1@dont-email.me> <bd012aeb-0dcf-44e3-bb8c-12dc70c8c473@googlegroups.com> <516qu75g5ipbvdjedcjb6okkckac2isbsn@4ax.com>

Show all headers | View raw


Gene Wirchenko wrote:
> Lew wrote:
> 
> [snip]
> 
> >Read widely and carefully. There are some notable urban 
> >legends out there, such as the advice to set all references 
> >to 'null' when finished with them. There are specific times 
> >to do so, such as when a collection such as a 'Stack' is 
> >holding hidden references ("packratting", or the Java version 
> >of a memory leak). Otherwise it's just superstition.
> 
>      Ah, not quite.  In Visual FoxPro, at least in some versions, the

I'm sorry, Visual FoxPro?

> releasing of an object or an array with object references would result
> in a memory leak.  Setting to null was a workaround for that.  I would
> not be surprised if it happened in some other languages, too. However,
> I would not do it unless it were required.

I'm not so sure that rules of thumb derived from Visual FoxPro are 
applicable here.

The urban legends to which I referred are specifically about Java.

-- 
Lew

Back to comp.lang.java.programmer | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

Closing/Despose of JFrame Jesper Johnsen <jsjohnsen.dk@gmail.com> - 2012-06-28 06:38 -0700
  Re: Closing/Despose of JFrame markspace <-@.> - 2012-06-28 07:22 -0700
    Re: Closing/Despose of JFrame Lew <lewbloch@gmail.com> - 2012-06-28 09:47 -0700
      Re: Closing/Despose of JFrame Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2012-06-28 23:31 +0000
        Re: Closing/Despose of JFrame Lew <lewbloch@gmail.com> - 2012-06-28 17:42 -0700
      Re: Closing/Despose of JFrame Gene Wirchenko <genew@ocis.net> - 2012-06-28 19:55 -0700
        Re: Closing/Despose of JFrame Lew <lewbloch@gmail.com> - 2012-06-29 10:19 -0700
          Re: Closing/Despose of JFrame Gene Wirchenko <genew@ocis.net> - 2012-06-29 13:24 -0700
            Re: Closing/Despose of JFrame Lew <lewbloch@gmail.com> - 2012-06-29 13:36 -0700
      Re: Closing/Despose of JFrame Roedy Green <see_website@mindprod.com.invalid> - 2012-06-29 05:31 -0700
  Re: Closing/Despose of JFrame Lew <lewbloch@gmail.com> - 2012-06-28 12:46 -0700
  Re: Closing/Despose of JFrame "John B. Matthews" <nospam@nospam.invalid> - 2012-06-28 22:32 -0400

csiph-web