Functional programming in Java 8. Functional programming before Java 8 isn’t pretty. Too much code is required to create, pass a function to, and/or return a function from a first-class function.

Pure functions. The ideal in functional programming is what is known as pure functions.A pure function is one whose results are dependent only upon the input parameters, and whose operation ...

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.

The move into functional programming in Java can be intimidating. There were a lot of new interfaces introduced in Java 8 to make working with Streams and lambda expressions possible. But, most of ...

Functional programming is a significant paradigm shift in the software world over the past 10 years. ... Many Java coding guidelines recommend defaulting to immutable data when possible.

A purely functional subset of Java or C or Python would be miserable little languages. If that’s how you expect an actual functional language to work, well, expect to be miserable too.