How do I change the welcome page in Spring boot?

Spring boot provides very easy ways to default index page.

Table of Contents

Solution 1: index.html page inside public. create an index.html page inside resources/public/index.html.
Solution 2: index.html page inside static.
Solution 3: Using controller Mapping.
2.1 pom.
2.2 index.html.
2.3 SpringBootConfig.
2.4 Output:

What is the architecture of Spring MVC?

The Spring Web MVC framework provides Model-View-Controller (MVC) architecture and ready components that can be used to develop flexible and loosely coupled web applications.

Is Spring MVC front end?

In a SpringMVC app the front-end is the views. jsp files in the petclinic app are used to generate html files that are served from the server to the client. These files allow the user to view the model’s data.

What is front controller in Spring MVC?

DispatcherServlet is the front controller in Spring Web MVC. Incoming requests for the HTML file are forwarded to the DispatcherServlet.

What is the starting point in Spring MVC?

So the Spring Web application entry point is, not surprisingly, a servlet. A servlet is, simply put, a core component of any Java web application; it’s low-level and does not impose too much in the way of specific programming patterns, such as MVC.

Can we have multiple controllers in Spring MVC?

In Spring MVC, we can create multiple controllers at a time. It is required to map each controller class with @Controller annotation.

What is WebApplicationInitializer in Spring?

In Spring, WebApplicationInitializer is an Interface and it is Servlet 3.0+ implementation to configure ServletContext programmatically in comparison to the traditional way to do this using the web. xml file. This interface is used for booting Spring web applications.

Why do we need spring boot starter web?

It is an HTTP server and Servlet container that has the capability of serving static and dynamic content. It is used when machine to machine communication is required. If we want to add the Jetty server in the application, we need to add the spring-boot-starter-jetty dependency in our pom. xml file.

What is the difference between @service and @component in Spring?

@Component is a generic stereotype for any Spring-managed component. @Service annotates classes at the service layer. @Repository annotates classes at the persistence layer, which will act as a database repository.

Can 2 controllers have same request mapping?

You cannot. A URL can only be mapped to a single controller. It has to be unique.