@Controller

External

• https://docs.spring.io/spring-framework/docs/current/javadoc-api/org/springframework/stereotype/Controller.html

Internal

• Spring MVC Concepts
• Spring Dependency Injection and Inversion of Control Container Concepts

Overview

The annotation identifies the class as a candidate for component scanning. Aside from that, it doesn't do much, except that it conveys the role of the class within the application. For more details see:

Controller