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.

What does functional programming actually mean? ... These capabilities as well as others attributed to FP can also be found in both imperative and object-oriented languages. See recursion.

Working with functional programming requires a shift in your thinking, ... You can also use it in other styles, such as object-oriented and imperative programming.

The functional programming tribe is unlikely to overthrow the imperative majority, but it may achieve many of its goals by stealth, by becoming an essential tool in the developers' kit.

Java EE8 will add a functional programming language capability, and marrying functional language programming with cloud parallelism should create new microservice models for enterprise applications.