While it might be acceptable to mutate a member variable in procedural or object-oriented programming, in functional programming it's frowned upon to change the state of a variable outside the scope ...

More specifically, functional programming is a set of approaches to coding, usually described as a programming paradigm. Functional programming is sometimes defined in opposition to object ...

Object-oriented versus functional programming. I’ve created a Java application that contrasts the imperative, object-oriented and declarative, functional programming approaches to writing code.

Even though object-oriented programming remains popular today, the vigorous development of functional programming during the last decades and the acceptance of many of its positive features (clean, ...

Waste of time says, full-stack engineer Senior full-stack engineer Ilya Suzdalnitski has published a lively 6,000 word essay calling object-oriented programming "a trillion dollar disaster".