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    Design patterns three part rule

    A design pattern is a software solution to known recurring problem in a particular context.  Design patterns are categorized in 6 different categories as follows:  Design, Creational, Analysis, Architectural, Structural, Behavioral.  Each patterns follows the three-part rule.  Part one is there is a context to a problem.  Part 2 is there is a force which occurs repeatedly in that context.  Part three is there is software configuration which allows these forces to resolve themselves.

    Design patterns three part rule

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