Inheritance and Polymorphism
Java is an object-oriented language, as we know. In addition to object identity and data encapsulation, inheritance and polymorphism are other important concepts of the object-oriented paradigm.1 These two concepts have not played a major role in the previous chapters of this book, except in the implementation of our test cases. As useful and convenient as inheritance and polymorphism may be for software development, the problems they can cause during testing can be equally big. But all complaints are useless: we have to deal with the positive and negative effects.
7.1 Inheritance
Well-Shaped Inheritance Hierarchies
Many inexperienced developers consider inheritance between classes mainly as a practical ...
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