Abstract

Change impact analysis is very important to the object-oriented software development and maintenance. Aiming at the problem of change prediction at design level, dependency relationship among classes is analyzed firstly, and the relation of correlative class is described by conditioned probability. Then the prediction of software maintainability method base on probability is proposed. The proposed method can compare software maintainability of different design projects. Lastly, the feasibility and practicability of this method has been proved through one case.

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