Encapsulation in c#.

In order to refresh and consolidate main paradigms of OOP let’s talk about encapsulation first:

Encapsulation, in object oriented programming methodology, prevents access to implementation details. It enables a group of properties, methods and other members to be considered a single unit or object.

The following benefits are:

  1. Protection of data from accidental corruption.
  2. Specification of the accessibility of each of the members of a class to the code outside the class.
  3. Flexibility and extensibility of the code and reduction in complexity.
  4. Lower coupling between objects and hence improvement in code maintainability.

Encapsulation is used to restrict access to the members of a class so as to prevent the user of a given class from manipulating objects in ways that are not intended by the designer.

Encapsulation is implemented by using access specifiers. An access specifier defines the scope and visibility of a class member. C# supports the following access specifiers:

  • - Public – Access is not restricted
  • - Private – Access is limited to the containing type
  • - Protected – Access is limited to the containing class or types derived from the containing class
  • - Internal – Access is limited to the current assembly
  • - Protected internal – The type or member can be accessed by any code in the same assembly, or by any derived class in another assembly.


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