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Class diagram Essay Topics & Paper Examples

Object-Oriented Analysis & Design UML Class Models

Developing Class Models • Class diagrams developed iteratively – Details added over time during lifecycle – Initially: missing names, multiplicities, other details Class Model Perspectives (cont’d) • Specification – Interfaces defined: a set of operations – But, each implementation class can include more than one interface – A given interface can be shared by more than one class – Sometimes known as a “type” • Some define particular perspectives for class models: – Conceptual – Specification – Implementation • Implementation – Direct code implementation of each class in the diagram – A blue-print for coding • Conceptual perspective – Represents concepts in the domain – Drawn with no regard for implementation (language independent) – Used in requirements analysis 2/7/00 G-3…