11. Lambda Expressions

Prerequisite Information

This chapter assumes that the reader is already familiar with interfaces and generics in Java.

To get the most out of this chapter, you should follow along and take notes.

Help and Feedback

If you have any questions as you are working through the chapter, you are encouraged to post on the course Piazza page. Your questions will not only help you fill gaps in your knowledge but also give the authors and instructors insight on potential updates to the chapter.

Chapter Contents

• 11.1. Introduction
• 11.2. Functional Interfaces
  • 11.2.1. What is a Functional Interface?
  • 11.2.2. Implementing an Interface
  • 11.2.3. Implementing a Functional Interface
• 11.3. Example: Named Class vs. Lambda Expression
  • 11.3.1. Explaining the Example
• 11.4. How to Create Lambda Expressions
• 11.5. More Examples