Object-oriented design

<programming> (OOD) A design method in which a system is modelled as a collection of cooperating objects and individual objects are treated as instances of a class within a class hierarchy.

Four stages can be identified: identify the classes and objects, identify their semantics, identify their relationships and specify class and object interfaces and implementation.

Object-oriented design is one of the stages of object-oriented programming.

["Object-oriented analysis and design with applications", Grady Booch, 2nd ed., pub. Benjamin/Cummings, Redwood CA, 1994].

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