- From: Arnaud Le Hors <lehors@w3.org>
- Date: Tue, 05 Oct 1999 18:09:38 +0200
- To: www-dom@w3.org
John Cowan wrote: > > Au contraire. I believe that using instanceof for type discrimination > (as in, if (x instanceof Element) do_this else if (x instanceof Attr) do_that) > is the worst kind of bogus OOP. My implementation makes zero > guarantees about underlying classes, how many or with what crossovers. Well, I disagree, but it's ok. > BTW, I don't see how you can implement all HTML*Element interfaces with > one class in Java, since some of the instance methods have incompatible > return types, and Java doesn't allow overloading on the return type. > I needed IIRC six classes. Same here, that's why I said "_Basically_ all the HTML*Element interfaces were implemented on the same class." ;-) -- Arnaud
Received on Tuesday, 5 October 1999 12:09:42 UTC