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Monday, February 11, 2008

Design patterns, Antipatterns and Refactoring


 Design patterns

In software engineering, a design pattern is a general repeatable solution to a commonly occurring problem in software design. A design pattern isn't a finished design that can be transformed directly into code. It is a description or template for how to solve a problem that can be used in many different situations.




The AntiPattern may be the result of a manager or developer not knowing any better, not having sufficient  knowledge or experience in solving a particular type of problem, or having applied a perfectly good pattern in the wrong context.




Refactoring is a disciplined technique for restructuring an existing body of code, altering its internal structure without changing its external behavior.

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