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Modern Java in Action
book

Modern Java in Action

by Raoul-Gabriel Urma, Mario Fusco, Alan Mycroft
October 2018
Intermediate to advanced content levelIntermediate to advanced
592 pages
19h 49m
English
Manning Publications
Content preview from Modern Java in Action

Chapter 3. Lambda expressions

This chapter covers

  • Lambdas in a nutshell
  • Where and how to use lambdas
  • The execute-around pattern
  • Functional interfaces, type inference
  • Method references
  • Composing lambdas

In the previous chapter, you saw that passing code with behavior parameterization is useful for coping with frequent requirement changes in your code. It lets you define a block of code that represents a behavior and then pass it around. You can decide to run that block of code when a certain event happens (for example, a button click) or at certain points in an algorithm (for example, a predicate such as “only apples heavier than 150 g” in the filtering algorithm or the customized comparison operation in sorting). In general, using this concept ...

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