Re: How does one model behavior?

David Cressey wrote:

> How does one model behavior?
>
> It would seem to me that, since conveying behavior from one object to
> another rests on messages, and since messages are made of data, that one
> needs a data model for the messaging system before one begins to come up
> with a bhavior model for a system of collaborating objects.
>
> Or is there another completely different way of setting things up?

What's the worst thing that could happen if you get this data model "wrong" before you write the code?

-- 
  Phlip