Re: But is it Object-Oriented?

> > And AFAIK in both C++ and Java, a class encapsulates methods - 
> > this is one of the few common threads in OO.
> 
> In other multimethod languages, classes don't encapsulate methods but
> they are still called classes. I believe the term "class" actually
> comes from mathematics (category theory?)

Ole-Johan Dahl forgot to mention category theory ;-)

'At the Vilard-de-Lans Summer School Tony Hoare had put forth a
proposal for "record handling" with record classes and subclasses, as
well as record references restricted to, or "qualifed by", a given
class or subclass by declaration. Attribute accessing was by dot
notation, see [19], as well as [17] and [18]. 
We chose the terms "class" and "objects" of classes for our new Simula.
The notion of subclass was especially appealing to us, since we had
seen many cases of objects belonging to different classes having common
properties. It would be useful to collect the common properties in a
separate class, say C to be specialised differently for different
purposes, possibly in different programs.'

The Birth of Object Orientation: the Simula Languages, June 2001


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