I’ve been using Twilio’s REST APIs for quite some time now. I was always amazed to see how REST APIs are used in establishing communication between client and server over HTTP. You call an API, which calls the server. The server then performs the whole business logic and returns the result.

I always wanted to know how these APIs are developed so that I can create APIs myself. This led me to explore various frameworks such as Spring Boot. After developing several REST APIs using Spring Boot, I decided to write this tutorial to help beginners get started with Spring Boot.

In this tutorial, you will develop REST APIs in Spring Boot to perform CRUD operations on an employee database.

Prerequisites

• Some prior knowledge of Java or a willingness to learn.
• Java Development Kit (JDK) version 8 or newer.
• Maven 3.3 or newer.
• MySQL is the database service you’ll …