+**Encapsulation** is a core principle in [Object-Oriented Programming](/wiki/object-oriented-programming) where data and the methods that operate on that data are bundled together within a single unit. This practice hides the internal state of an object, exposing only a controlled interface to the outside world, a concept known as [Information Hiding](/wiki/information-hiding). It protects data integrity and simplifies software design by managing complexity.
+## See also
+- [Abstraction](/wiki/abstraction)
+- [Modularity](/wiki/modularity)
+- [Inheritance](/wiki/inheritance)
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