Spring MVC Controller | @Controller, @RequestMapping,@ResponseBody | Component Scan | MVC Annotation

Published: 20 August 2019
on channel: Selenium Express

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In this video, we will learn to design a controller for a spring MVC application. So Spring controllers are simply Java classes marked with a @controller annotation. The controllers can have multiple handler methods which will handle the user requests. To make a handler method accept a specific request, we need to annotate it with @RequestMapping annotation, and that's it. We are done with creating a controller for spring our spring MVC application. We can produce as much controller we want, and a controller can have one or many handler methods.

A handler method can return a view (like JSP/HTML, etc.) or directly some data to the client. In this video, we will not go through the view; instead, we will try returning some simple string data to the client. For this, we will use a special annotation called @ResponseBody. @ResponseBody will help us to write our string data to the client’s response so that he can see that data on the screen.

This video will cover how the above-discussed things will work step by step. You might need an understanding of @component and component scanning concept to understand this tutorial completely.

you can learn the component scanning concept though the below link.

   • Spring annotation tutorial for beginners |...

you can learn the complete spring core though the below link

   • Spring Framework(Core) for complete beginners

one more bonus for you :

MVC design pattern course :
   • MVC with JSP, Servlet , JDBC ( Build a com...

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