Immutability is a feature of functional programming languages that makes programs easier to write, test, and maintain. However, immutability is not supported by many imperative programming languages.

Functional programming is a coding style that emphasizes ideas such as composition from simple building blocks, immutability of data structures and the use of functions as data. In recent years, ideas ...

Java 8 introduced Java developers to functional programming with lambda expressions. This Java release effectively notified developers that it’s no longer sufficient to think about Java programming ...