See O-R mapping and object database. There are three major features in object-oriented programming that makes them different than non-OOP languages: encapsulation, inheritance and polymorphism.

object oriented programming (OOP). In the first article, we covered the basics of the class data type and the history of OOP. This article uses examples to explain how to efficiently and correctly use ...

polymorphism and generic programming, as well as some advanced programming features. The course includes a significant practical component involving designing and implementing object-oriented programs ...