A programming language structure ... major features in object-oriented programming that makes them different than non-OOP languages: encapsulation, inheritance and polymorphism.

This perspective stands in contrast to more traditional "procedural" or "structured ... class does not focus on object-oriented programming; however, we will examine many examples of object-oriented ...

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