Graeme Geldenhuys wrote:
> On 12/2/06, Dean Zobec <[EMAIL PROTECTED]> wrote:
> > see with an accounting program is the fact that at lower level it has to
> > couple with different laws and forms of taxation, so the greatest work
> > is to build a flexible system that can be easily adopted to the single
>
> This is where a good dose of design patterns come into play. I
> better dust of my Gang-of-Four book. Oh and for those interested, try
> the "Head First Design Patterns" book. Very different style, but
> excellent.
Design Patterns won't help you introduce flexibility, they only help you put
structure into your design. So the key here is abstraction rather than
patterns. TObject is a great example of abstraction to yield flexibility.
Thanks!
--
Al
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