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Stephen Schwarm <[log in to unmask]>
Wed, 7 Feb 2001 08:52:50 -0500
text/plain (41 lines)
I'm not sure I'd use the word artificially but you are correct.

Steve Schwarm

[log in to unmask] wrote:
>
> >Also, in C++ those facilities are regarded as a kinds of classes, which seems
> >to be rather artifical and misleading.
>
> I don't think that's true. Why should they not be considered as a kind of class?
> Ada implements an almost identical feature - consider:
>
> package PVC_Package is
>
>    type PVC is abstract tagged null record;
>
>    function op_1 (This : in PVC) return Integer is abstract;
>
> end PVC_Package;
>
> This is very similar in effect to:
>
> class PVC
> {
>    virtual int Op_1() = 0;
> }
>
> I believe that it is Java that is artificially differentiating between a Class
> and an Interface.
>
> John
>
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