Creating a RESTful web service

In Spring Boot, all HTTP requests are handled by controller classes. To be able to create a RESTful web service, first, we have to create a controller class. We will create our own Java package for the controller:

1. Activate the root package in the Eclipse Project Explorer and right-click. Select New | Package from the menu. We will name our new package com.packt.cardatabase.web:

   

   Figure 4.1: New Java package

2. Next, we will create a new controller class in a new web package. Activate the com.packt.cardatabase.web package in the Eclipse Project Explorer. Right-click and select New | Class from the menu; we will name our class CarController:

   

   Figure 4.2: New Java class

3. Now, your project structure should look like the following screenshot:

   

   Figure 4.3: Project structure

   IMPORTANT NOTE

   If you create classes in the wrong package accidentally, you can drag and drop the files between packages in the Eclipse Project Explorer. Sometimes, the Eclipse Project Explorer...