Interfaces Why?

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#881

From: Alan
Date: Fri, 14 Apr 2000 00:00

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Hi

Can some one tell me why & when you would use an interface?

I know how to write one and how to upcast from the concrete class
to the interface, I just can't see why you want to do this.

is to protect the other methods?
are they more "light weight"?

Thanks

Alan

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From: "Alan" <aboldock@camtech.net.au>
Subject: Interfaces Why?
Date: 2000/04/14
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