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Java 8 in Action
book

Java 8 in Action

by Mario Fusco, Alan Mycroft, Raoul-Gabriel Urma
August 2014
Intermediate to advanced content levelIntermediate to advanced
424 pages
13h 50m
English
Manning Publications
Content preview from Java 8 in Action

Chapter 13. Thinking functionally

This chapter covers

  • Why functional programming?
  • What defines functional programming?
  • Declarative programming and referential transparency
  • Guidelines for writing functional-style Java
  • Iteration vs. recursion

You’ve seen the term functional quite frequently throughout this book. By now, you may have some ideas of what being functional entails. Is it about lambdas and first-class functions? Or is it about restricting your right to mutate objects? In which case, what do you achieve from adopting a functional style? In this chapter, we shed light on these questions. We explain what functional programming is and introduce some of its terminology. We first examine the concepts behind functional programming ...

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