Why use Design Pattern
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Posted By:   Makarand_Parab
Posted On:   Sunday, December 29, 2002 08:14 PM

Why one should use design pattern?. Is it always necessary to start building design pattern strategy during Initiation and Elobration phase?. How do one comes to conclusion that the design pattern he is using is best for his design. Is it just to make the overall project handy to work on and to make the development picture as well as the requirement clear to the developers?

Re: Why use Design Pattern

Posted By:   Lasse_Koskela  
Posted On:   Monday, December 30, 2002 10:57 AM

No, it is not always necessary to use design patterns, but it has been agreed a long time ago that using design patterns will generally improve the quality (including both development and operational aspects) of the produce.

Most often there is no way to 100% sure about the "best" design pattern; usually a number of relatively good alternatives exist. Of course there are some occasions where a dominant pattern exists and few designers even try to think of alternatives.

Lastly, no, using design patterns is not just about clarity/handiness. It's also about the quality of what comes out of the tube.

It seems that you've been reading about UP (initiation and elaboration)... Keep on reading but remember that the most important lesson to learn is what you can leave out from the complete package - what is relevant and what is irrelevant for your particular project.

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