Developing Java Applications with Spring and Spring Boot

Creating the CategoryResource class

We will create our first REST resource, let's get started with the CategoryResource class which is responsible for managing our Category class. The implementation of this entity will be simple, and we will create CRUD endpoints such as create, retrieve, update, and delete. We have two important things we must keep in mind when we create the APIs. The first one is the correct HTTP verb such as POST, GET, PUT and DELETE. It is essential for the REST APIs to have the correct HTTP verb as it provides us with intrinsic knowledge about the API. It is a pattern for anything that interacts with our APIs. Another thing is the status codes, and it is the same as the first one we must follow, this is the pattern the ...