Re: The Foundation of OO (XDb)

In article <aebpj0$5mmbq$2_at_ID-125932.news.dfncis.de>, Christopher Browne <cbbrowne_at_acm.org> wrote:

> And it's only one of a number of languages that take a
> "prototype/classless" approach that also include Cecil, Lua, Agora,
> and Obliq.

NewtonScript, the language used to write applications for the Apple Newton, was also a prototype-based object-oriented language.

The defining characteristic of object-oriented programming is that your program operates by sending messages to objects. A good introduction to OOP, for anyone that's wondering what objects are really all about, can be found in the first chapter of Apple's (formerly NeXT's) book "The Objective-C Programming Language" at <http://developer.apple.com/techpubs/macosx/Cocoa/ObjectiveC/ObjC.pdf>.

• Chris

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