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From: "Jean-Pierre Rosen" <rosen.adalog@wanadoo.fr>
Subject: Re: friend classes in ada95
Date: 2000/04/20
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References: <8dh37m$qef$2@wanadoo.fr> <3B5L4.1317$B43.116109@news.pacbell.net>
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 <38FE365D.31C893A6@acm.org> <m3hfcxjt22.fsf@ns58.infomatch.bc.ca>
 <8dmj62$4i7$1@wanadoo.fr> <ug0sg4vmk.fsf@infomatch.com>
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Ray Blaak <blaak@infomatch.com> a �crit dans le message :
ug0sg4vmk.fsf@infomatch.com...
> "Jean-Pierre Rosen" <rosen.adalog@wanadoo.fr> writes:
> > I would rather say that what makes OO is the fact that ADT's represent
and
> > are modelled after real-life objects, i.e. that a program is no more
defined
> > as a sequence of actions to be performed by a computer, but as a
> > representation, a modelization, of the real world. FWIW.
>
> I have always disagreed with this. After all, you can use the OO paradigm
to
> model abstract concepts that don't exist in the real world. That
real-world
> objects are often most easily modelled using the OO paradigm is instead a
> matter of a good application of OO, as opposed to a definition of OO.
>
By "real world", I mean things that normal people (i.e. not computer
wizzards) can deal with; of course it includes abstract concepts. What I
mean is that you think in terms of "catalog of goods", not in terms of
"hash-table of unique references in the data base".

--
---------------------------------------------------------
           J-P. Rosen (Rosen.Adalog@wanadoo.fr)
Visit Adalog's web site at http://pro.wanadoo.fr/adalog