https://www.baeldung.com/spring-mvc-tutorial
https://dzone.com/tutorials/java/spring/spring-mvc-tutorial-1.html
DispatchServlet?
Control the output page.
https://www.java67.com/2017/06/what-is-use-of-dispatcherservlet-in-spring-mvc.html
- DispatchServlet is front controller pattern
- It's a servlet which receive and forward it to @Controller or @RestController
- Return value of @Controller is either forward to view resolved by ViewResolver (InternalResourveViewResolver: jsp/themeleaf)
Return of @Restcontroller is returned directly via Json or text...