C# Primer Plus

Abstraction and Encapsulation

Object-oriented programming is at the core of C#. Practically speaking, everything in C# is an object. Even the simple program you encountered in Chapter 2, “Your First C# Program” relies on OO principles. So before we dive into the first C# example, it is useful to expand on our OO introduction by looking at two core concepts of OO called abstraction and encapsulation.

Abstraction

Consider an airplane. Initially, it seems an impossible task to represent an airplane in a computer program. Just think about all the details—intricately designed jet engines, extremely complex onboard computers, entertainment systems. It is dizzying. However, by looking at the role we want the airplane to play in our application, we can ...