1. Overview
In this tutorial, We'll learn about Functional Interface added to Java 8. Functional Interface is abbreviated as FI.These Functional Interfaces are used extensively in Lambda Expressions.
Please read article on "A Complete Guide to Lambda Expressions"
If you have a basic understanding of Lambda's that will help in using Functional Interface(FI) properly. But, We will discuss in short about Lambda's.
We will cover the following concepts in this article.
- Intro to Lambda
- Lambda Examples
- Functional Interface Definition
- @FunctionalInterface annotation
- Built-in FI's
- Types of Functional Interfaces with examples