题目内容

Fortunately most programming languages have many kinds of constructs in common and vary only in the way that these must be written.

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For developing a software product, the development process is divided into 5 stages:Requirements Analysis & Specification, Design,Coding, Testing,andMaintenance.

Object-orientation may increase productivity because OOA and OOD, if done correctly, result in products that are cleaner, more understandable, and easier to implement and test.

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