Re: Clean Object Class Design -- Circle/Ellipse

From: Bob Badour <bbadour_at_golden.net>
Date: 17 Oct 2001 17:22:56 -0700
Message-ID: <cd3b3cf.0110171622.716ecf49_at_posting.google.com>


Universe <universe_at_NOdirectvSPAMinternet.com> wrote in message news:<2uf3stcjenp6ihdpnubpi9rr92sdsp1gnl_at_4ax.com>...
> "Bob Badour" <bbadour_at_golden.net> wrote:
>
> >
> >"Universe" <universe_at_NOdirectvSPAMinternet.com> wrote in message
> >news:dhavrt022tsgncm9kphs4f84eeh05lcfhd_at_4ax.com...
> >> bbadour_at_golden.net (Bob Badour) wrote:
> >>
> >> >"S Perryman" <q_at_deja.com> wrote in message
> news:<9pc243$hosvc$1_at_ID-75294.news.dfncis.de>...
> >> >> >I find it very telling that almost every OO pundit has found it
> >> >> >necessary to write an apologia explaining why the very real and
> >> >> >natural subtype/supertype relationship between circle and ellipse
> >> >> >does not apply in OO.
> >> >>
> >> >> Who are these "pundits" to whom you refer ??
> >> >> I have seen certain people show a fundamental misunderstanding of the
> >> >> problem, and then fall prey to that misunderstanding.
> >> >>
> >> >> But "apologia" ... ??
> >> >
> >> >Meyer, Stroustrup, Rumbaugh to name three.
> >>
> >> Where specifically? I've read much of Stroustrup and Rumbaugh and
> >> I've never seen any such "apologia".
> >
> >Go to http://www.google.com/
> >
> >In the little box, type:
> > stroustrup circle ellipse
> >and click on the "Google Search" pushbutton.
> >
> >In the little box, type:
> > bertrand meyer circle ellipse
> >and click on the "Google Search" pushbutton.
> >
> >In the little box, type:
> > rumbaugh circle ellipse
> >and click on the "Google Search" pushbutton.
>
> You made the silly, baseless assertion. If it was so clear, I'm sure
> you would 've copied and pasted *some* proof.

The results from searches above demonstrate that the statement was neither silly nor baseless. In fact, each will give many relevant links. Received on Thu Oct 18 2001 - 02:22:56 CEST

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