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Functional Programming

A programming paradigm that treats computation as the evaluation of mathematical functions and avoids changing state and mutable data.

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functional-programming

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What are the core principles of functional programming?

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Pure functions (same output for same input), immutability, function composition, first-class functions, higher-order functions, and avoiding side effects.

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How does functional programming differ from object-oriented programming?

Functional programming focuses on stateless computation and immutable data, while OOP organizes code around objects that contain both data and behavior with mutable state.