What Is Data Encapsulation?
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Data encapsulation is the process of combining data and functions into a single unit, or object. It is an important concept in object–oriented programming languages such as Java, C++, and Ruby. The idea is to keep the data and functions together so they can be used more efficiently and securely. Encapsulation helps promote code reusability by making it easier to control access to data and encourage code reuse. It also helps create a clear division between the public and private aspects of a class, which makes it easier to debug and maintain code.