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This chapter includes 24 problems covering a wide range of functional programming topics. We will start by introducing the JDK 16 mapMulti()
, and continue with a handful of problems for working with predicates (Predicate
), functions, and collectors.If you don't have a background in functional programming in Java then I strongly recommend postponing this chapter until you read Chapter 8 and Chapter 9 from Java Coding Problems, First Edition.At the end of this chapter, you'll be deeply skilled in functional style programming in Java.