Groups > comp.lang.java.programmer > #8136

Re: super

Newsgroups	comp.lang.java.programmer
From	Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at>
Subject	Re: super
References	<3e87dcf3-6842-41bf-8eb8-0c4181a178a9@k1g2000vbz.googlegroups.com> <j55ad2$o2g$1@dont-email.me> <slrnj7cdtu.6gl.avl@gamma.logic.tuwien.ac.at> <797b5b56-9855-4ff1-a1e9-1eef2dcef7a8@d12g2000vba.googlegroups.com>
Message-ID	<slrnj7cio8.6gl.avl@gamma.logic.tuwien.ac.at> (permalink)
Date	2011-09-18 19:48 +0000

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giuseppe.on.usenet <giuseppe.on.usenet@gmail.com> wrote:
> On 18 Set, 20:26, Andreas Leitgeb <a...@gamma.logic.tuwien.ac.at>
> wrote:
>> I think the misunderstanding is far more basic.
>> To giuseppe:
>> In dir2.GrandChild's main, just remove the line, where you instantiate
>> Child, and leave the rest exactly as is.  Recompile & run it.  You'll
>> see that instantiating class Child (or not doing it) doesn't change
>> anything. What does this tell you?
>
> I am not the author :) I found that code in a certification study
> guide (the original question was: What will the output be?).

That doesn't really matter.  Obviously you didn't "guess" (or know)
the answer (or you wouldn't have asked here).  If you are still
surprised by "super.var" and "var" being the same value, then
I advise you to still make the experiments I suggested.

> Maybe
> they instantiated the Child object just to try to confuse the reader.

Not primarily to confuse him, but rather to test his confusability ;-)

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super "giuseppe.on.usenet" <giuseppe.on.usenet@gmail.com> - 2011-09-18 09:53 -0700
  Re: super Joshua Cranmer <Pidgeot18@verizon.invalid> - 2011-09-18 12:39 -0500
    Re: super Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2011-09-18 18:26 +0000
      Re: super Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2011-09-18 18:29 +0000
      Re: super "giuseppe.on.usenet" <giuseppe.on.usenet@gmail.com> - 2011-09-18 12:21 -0700
        Re: super Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2011-09-18 19:48 +0000
          Re: super Lew <lewbloch@gmail.com> - 2011-09-18 13:16 -0700

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