Answer / Murari Lal

The four fundamental principles of object-oriented programming (OOP) are Encapsulation, Inheritance, Polymorphism, and Abstraction. Encapsulation hides data and methods within objects. Inheritance allows one class to derive properties and methods from another class. Polymorphism enables objects of different types to be treated as if they were instances of a common type. Abstraction involves hiding the implementation details from the user and exposing only the necessary functions.

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