Java 8 – Functional Interfaces – Introduction

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In this post, we will look at the introduction of Functional Interfaces and Lambda Expressions in Java 8.

One of the great updates in Java 8 is the addition of Lambda Expression support. Functional interfaces are initialized in a simple way using Lambda expressions.

A Functional interface is an interface which has one and only one method in it.

Let’s look at the simple program to generate a square/cube of a number using Functional Interface and LambdaExpression.


Happy Learning :).

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