THINK++ — Engineering Visualized

Encapsulation

Access Specifiers

Keywords that define the visibility of class members. They are the primary tool for implementing encapsulation.

public

Accessible from anywhere outside the class.

private

Accessible only from within the class. Default for classes.

protected

Accessible in the class and its inherited subclasses.

CLASS VS STRUCT

In a class, the default access is private. In a struct, the default access is public.

DATA HIDING

Best practice: Keep data members private and provide public getter/setter functions to control how data is accessed and modified.

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