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Encapsulation (computer science)

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Encapsulation is the grouping together of data and functionality. While the C language used structs to group data together, C++ adds the functionality component. This does the following:

  1. Allows a programmer to explicitly provide the interface to an object
  2. Allows hiding of implementation details
  3. Allows programmer to think in an object-oriented way

Encapsulation simplifies programming by modeling the world: the world consists of objects that do things. Thus programs become a collection of objects and how they act, instead of a set of instructions.

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