Re: was Ada 83 in fact object oriented ?

["Jeffrey R. Carter" <spam.jrcarter.not@spam.not.acm.org>]

On 09/24/2015 03:23 PM, halfmaddad@gmail.com wrote:
> 
> OO is a huge topic but I am wondering what are the basic requirements for a language to be said to support object orientation.
> 
> Ada 83 had packages and one package could be instantiated more then one time.
> 
> Is it fair to say that basic class and methods were therefore supported? 

Object orientation is a design characteristic. What is usually called
"object-oriented programming" is in fact programming by extension. There is
nothing intrinsically object oriented about it. I have seen many programs using
programming by extension that were not object oriented at all, and many
object-oriented programs that do not use programming by extension.

As someone who wrote a lot of object-oriented programs in Ada 83 I can confirm
that it is as suitable for implementing an object-oriented design as any other
language, and more so than most.

-- 
Jeff Carter
"I did not rob a bank. If I'd robbed a bank, everything
would be great. I tried to rob a bank, is what happened,
and they got me."
Take the Money and Run
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