Design pattern

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3.00/5 (1 vote)

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Hi,
I have a doubt regards in design pattern...
Can you please explain that necessity and simple explanation with sample
c# code.

Thanks and regards,
senthil J

Posted 23-Sep-10 2:55am

senthil_jagadeesan

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**R. Giskard Reventlov** · Accepted Answer · 2010-09-23T03:00:00

Solution 1

Start here: Design Patterns[^]

Posted 23-Sep-10 3:00am

R. Giskard Reventlov

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senthil_jagadeesan 23-Sep-10 11:22am

Reason for my vote of 5
Automatic vote of 5 for accepting answer.

anshudutta · Accepted Answer · 2010-09-23T03:25:00

In brief, design patterns are tried and tested methods in the world of software development. The idea is that any system that is being designed through Object Oriented Programming, can take a leaf out of already existing tried and tested methods. These methods are called design patterns. There are more than 20 Design Patterns recognised. The most commonly used are - Singleton, Factory, Abstract Factory, Observer, etc. The idea is not to reinvent the wheel and use these design patterns in designing software applications as as when applicable.

It is a very vast topic and mastering it is not very easy. There is an excellent book - Head First Design Patterns. It will help you getting started.