Chapter 4. Creating and Adding REST Resources
Up until this point, our application doesn't really do much. This is because it lacks configured REST resources. A REST resource is something that one can refer to as an entity, and in our case, a set of URI templates with a common base URL that one can interact with using common HTTP methods.
Creating a resource class
We are building a phonebook application, and thus we need to implement the necessary functionalities for storing and managing contacts. We will create the resource class for the phonebook service. This class will be responsible for handling HTTP requests and generating JSON responses. The resource class will initially provide the endpoints for retrieving, creating, updating, and deleting ...