There are three major features in object-oriented programming that makes them different than non-OOP languages: encapsulation, inheritance and polymorphism. Encapsulation refers to the creation of ...

Classes that are derived from abstract classes use a concept called inheritance, which shares a set of attributes ... which is the class from which subclasses are derived. In object-oriented ...

Object databases are closely aligned with a particular object-oriented programming language and enable the data in the objects to be persistently stored without requiring conversion to a ...

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