Learn TypeScript 3 by Building Web Applications

Abstraction

Abstraction is a key concept of OOP that builds upon the idea of encapsulation by allowing you to hide/remove superfluous details and inner workings of elements in the system. Abstraction is central to being able to tame the complexity of building large systems and to decompose them into manageable subsystems. Classes are merely abstractions of real-world concepts, limited to the set of fields and methods that are relevant for the application.

If you were building a garage management application, then you might need to model things such as the following:

• The date of the last repairs for a given car
• The date when the filters were last changed
• How many kilometers were on the counter
• The license plate number

The inner workings ...