MVC

What Is DispatcherServlet? DispatcherServlet is the core component of Spring MVC that implements the Front Controller pattern. It receives HTTP requests at a single entry point, delegates them to the appropriate controllers, and renders the results into views for the response. This centralizes common logic and lets developers focus on business logic. History and Evolution of DispatcherServlet Spring MVC emerged in 2004 with Spring Framework 1.0, establishing itself as a web framework with DispatcherServlet implementing the Front Controller pattern as an alternative to the complex servlet development approach of J2EE at that time. Initially, servlets were registered and mapped through XML-based configuration. Since Servlet 3.0 and above, Java configuration became possible through WebApplicationInitializer. With the advent of Spring Boot, auto-configuration was introduced, allowing developers to use it immediately without separate configuration. ...