This is the core recipe of the chapter. We will detail how to use the Spring MVC method-handlers for HTTP methods that we haven't covered yet: the non-readonly ones.
We will see the returned status codes and the HTTP standards driving the use of the
DELETE methods. This will get us to configure HTTP-compliant Spring MVC controllers.
We will also review how request-payload mapping annotations such as
@RequestBody work under the hood and how to use them efficiently.
Finally, we open a window on Spring transactions, as it is a broad and important topic in itself.
Following the next steps will present the changes applied to two controllers, a service and a repository: ...