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Beginning of Paper
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Object Oriented Analysis
During the 1950’s, era of computing, computer programs were created using ad hoc software development approach; each system a unique, custom-built intellectual product. In their book, Object Oriented Analysis & Design, Edward Yourdon and Carl Argila state “There was no concept of reusability, interchangeability of parts, or for that matter, formal design.” The systems were difficult to maintain or enhan ....
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Middle of Paper
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.... approaches have integrated some form of Demarco’s philosophy. The variation in approaches is based on the kinds of models that should be built, how they should be built, and who should build them. A generic model-based software-engineering life cycle is demonstrated in Appendix 1-A.
A concept that is reflected in most model-based software-engineering models is the concept of a ‘Separation of Concerns’. This generally means creating an analysis model sep ....
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