In recent Java releases, the focus has often been on features known from functional programming languages. Do these additions suffice to enable functional programming in Java? And if so, what are the advantages that this paradigm brings? Is it worthwhile to use functional Java constructs in our everyday lives, or are they purely theoretical gimmicks? We will examine these questions together in this live coding session, keeping a close eye on the readability and maintainability of the resulting code, as well as how Java compares to "real" functional languages like Clojure or Haskell in this discipline.