There are three major features in object-oriented programming that makes them different than non-OOP languages: encapsulation, inheritance and polymorphism. Encapsulation Enforces Modularity ...

One important facet of effective object-oriented design is encapsulation. Encapsulation hides your classes’ inner details from the outside world.

Proponents of object-oriented techniques point to the flexibility and extensibility of object-oriented systems along with other benefits such as increased modularity, abstraction, and encapsulation.