Tutorial by Topics: encapsulation

Imagine you had a class with some pretty important variables and they were set (by other programmers from their code) to unacceptable values.Their code brought errors in your code. As a solution, In OOP, you allow the state of an object (stored in its variables) to be modified only through methods. Hiding the state of an object and providing all interaction through an objects methods is known as Data Encapsulation.

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