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Groups > comp.lang.java.programmer > #8246

Re: borrowing Constants

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On 9/23/2011 8:40 PM, Roedy Green wrote:
> If you have some code like this:
>
> class A
> {
>   static String VERSION = "1.0b";
> }
>
> and
> class B
> {
> static String VERSION = A.VERSION;
> }
>
> When you use Class B, does all of class A get instantiated?

I don't think it can just initialize what is needed.

The overhead must be microscopic anyway.

> Does all of class A get put in B's jar?

That depends on the one doing the "putting".

> If so, it suggests you are better off to have a tiny common class and
> have A and B reference it.

You should stick to good design and keep the versions where they
logical belong.

Arne

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borrowing Constants Roedy Green <see_website@mindprod.com.invalid> - 2011-09-23 17:40 -0700
  Re: borrowing Constants Arne Vajhøj <arne@vajhoej.dk> - 2011-09-23 20:44 -0400
    Re: borrowing Constants Arved Sandstrom <asandstrom3minus1@eastlink.ca> - 2011-09-23 22:10 -0300
      Re: borrowing Constants Roedy Green <see_website@mindprod.com.invalid> - 2011-09-23 18:39 -0700
        Re: borrowing Constants Arne Vajhøj <arne@vajhoej.dk> - 2011-09-23 22:17 -0400
        Re: borrowing Constants Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2011-09-25 11:25 -0700
          Re: borrowing Constants Lew <lewbloch@gmail.com> - 2011-09-25 11:36 -0700
      Re: borrowing Constants Arne Vajhøj <arne@vajhoej.dk> - 2011-09-23 22:30 -0400
  Re: borrowing Constants Eric Sosman <esosman@ieee-dot-org.invalid> - 2011-09-23 21:15 -0400
    Re: borrowing Constants Roedy Green <see_website@mindprod.com.invalid> - 2011-09-23 18:43 -0700
  Re: borrowing Constants markspace <-@.> - 2011-09-23 18:44 -0700
    Re: borrowing Constants Lew <lewbloch@gmail.com> - 2011-09-23 19:19 -0700
    Re: borrowing Constants Arne Vajhøj <arne@vajhoej.dk> - 2011-09-23 22:32 -0400
  Re: borrowing Constants Lew <lewbloch@gmail.com> - 2011-09-23 19:11 -0700
    Re: borrowing Constants Lew <lewbloch@gmail.com> - 2011-09-23 19:26 -0700
  Re: borrowing Constants v_borchert@despammed.com (Volker Borchert) - 2011-09-24 09:44 +0000
  Re: borrowing Constants Roedy Green <see_website@mindprod.com.invalid> - 2011-09-24 15:38 -0700
  Re: borrowing Constants Roedy Green <see_website@mindprod.com.invalid> - 2011-09-24 17:09 -0700
    Re: borrowing Constants Eric Sosman <esosman@ieee-dot-org.invalid> - 2011-09-24 20:14 -0400
    Re: borrowing Constants markspace <-@.> - 2011-09-24 18:18 -0700
      Re: borrowing Constants Arne Vajhøj <arne@vajhoej.dk> - 2011-09-25 22:36 -0400
    Re: borrowing Constants Arne Vajhøj <arne@vajhoej.dk> - 2011-09-25 22:35 -0400
  Re: borrowing Constants Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2011-09-26 01:22 +0200

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