• Journal of the Korea Society of Computer and Information
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• v.10 no.5 s.37
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• pp.49-56
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• 2005

Reuse of software is the process of developing software system which does not develop all modules newly but construct system by using existing software modules. Object oriented concept introduces dynamic binding and polymorphism, which increases number of executable Paths. In this case static analysis of source code is not useful to find executable path. These concepts occur new Problems in retesting. Tradition testing method can not cover complex relations such as inheritance, message Passing and instance of and can not apply on object oriented retesting. we propose the method to reduce the number of methods and classes to be retested in associated class relation.