On Thu, 9 Nov 2006 at 07:56, Jeroen van Bemmel wrote:
> final helps improve performance, and it also helps us to detect when people
>From everything I've read about this sounds like that is not true
except in very restricted cases.
> are trying to do things that they shouldn't (no offence). Trying to add a
Um. Don't I get to decide what I want to do? I thought open source
software was about freedom :) :)
Seriously, though, I really don't understand why subclassing a header
class is something I shouldn't do. Can someone explain?
> subclassed header to a message will possibly give ClassCastExceptions. It
Is this something intrinsic to Java? I'm used to python, where if I
create a subclass, the subclass instances can be used anywhere the
superclass could be unless the programmer works hard to make it
otherwise.
> would actually be better to make all header implementations final
Rats. That's the opposite of the answer I was hoping to hear. :(
--David
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