With Spring MVC, you don't have to create servlets. You can create a class and annotate it with the @Controller annotation and use the @RequestMapping annotation to map it to a certain URI pattern. By convention, the name of this class usually ends with Controller.
Spring uses a central servlet, the DispatcherServlet, to accept requests. This DispatcherServlet needs to be configured to process all requests and, based on the URI pattern specified in the @RequestMapping annotation, Spring will find a matching controller to handle a request.
The following diagram shows the request/response flow when using Spring MVC:
Figure ...
