mvc:annotation-config

The "mvc:annotation-config" is an XML element in Spring Framework that enables the use of annotations in a Spring MVC application. This element is used to register annotation-based components in the Spring container, such as controllers, request mappings, and request interceptors. It enables the application to use annotations to define the various components of the application, rather than using xml-based configuration. The "mvc:annotation-config" element is usually placed in the Spring configuration file (applicationContext.xml) and is used to activate the Spring MVC annotations in the application. Once activated, the Spring container will scan the application for any classes annotated with the Spring MVC annotations and will register them as beans in the Spring container. This enables the application to take advantage of the benefits of Spring MVC's annotation-based programming model.