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How to develop an object model
To develop an object model firstly identify classes and their associations, as they affect overall problem structure and approach. Then prepare a data dictionary.
i) Recognize associations between objects.
ii) Recognize attributes of objects and links.
iii) Simplify and organise object classes using inheritances. Then you verify which access paths exist for likely queries
iv) Iterate and refine model, and
v) Organize classes into modules.
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Aggregation Aggregation is a special form of association that models the "part-whole" or "a-part-of" relationship as an aggregate (the whole) and parts. The most important pro
what is java
Page fault frequency in an operating system is reduced when the? When locality of reference is appropriate to the process so Page fault frequency in an operating system is redu
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