Rossen Stoyanchev covers some of the new features available in Spring MVC 3.1: URI variable, Redirect & Flash attributes, UriComponentsBuilder, Multipart Request Support, and HDIV Integration.
Erik Lebel explains 3 presentation patterns used in Windows applications –MVP, MVC, MVVM-, demoing how the model, view, and control layers interact with each other.
Keith Donald presents the Spring MVC3 programming model, detailing with examples: mapping HTTP requests, getting a request input, generating responses, rendering views, data conversion and validation, handling exceptions and testing.
Beside doing an overview of the Grails framework, Jeff Brown shows how to write a Spring-integrated application in Grails. Some of the topics covered are: Spring Beans in Groovy, DI in Grails, Grails and Spring MVC, Database transaction management and remoting with Spring in Grails.