Two of the key concepts in object-oriented programming (OOP) are inheritance and composition ... flexibility and modularity. When you design a base class from which one or more classes will ...

If you're not familiar with object-oriented programming ... features of OOP: inheritance and polymorphism. Since all of the objects represent animals, we’ll create a class, known as a ...

It covers both object-oriented programming techniques and their application to program design including classes, objects and objects lifecycle, abstraction, encapsulation, inheritance, polymorphism ...