Explore common pitfalls in functional Java programming and learn how to avoid them in this 50-minute conference talk from Devoxx. Delve into the intricacies of functional style programming introduced in Java 8 and expanded in Java 9, addressing the challenges faced by developers transitioning from imperative OOP. Discover techniques to leverage Java's functional capabilities effectively, creating cleaner, more readable code. Gain insights into proper usage of lambdas, higher-order functions, streams, mutable objects, optionals, and exception handling in functional contexts. Master the art of integrating functional programming concepts into everyday Java projects, unlocking the full potential of Java 9's functional constructs.