Functional programming and object-oriented programming (OOP) are two distinct programming paradigms with different approaches to solving problems. In Groovy, a versatile language that supports both paradigms, it's important to understand the differences between the two.
Functional Programming:
1. Statelessness: Functional programming emphasizes immutability and avoids shared mutable state. Functions are treated as first-class citizens, and their results depend solely on their inputs, promoting referential transparency.
2. Pure Functions: Functions in functional programming are pure, meaning they produce the same output for the same input without any side effects. They don't modify external state or have hidden dependencies.
3. Higher-order Functions: Functional programming encourages the use of higher-order functions, which can take other functions as arguments or return them as results. This enables composition and abstraction of behavior.
4. Data Transfo....
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