@Awesome: Simplify Validations with the Java Bean Validation APIs

The introduction of the Java Bean Validation Specification (JSR 303) can give you a powerful and declarative way to do validations without the meddlesome complexity. Throw Spring into the mix and you can validate an entire page in a web app without writing anything other than annotations. Come get a quick look at what its all about! Topics include: JSR 303 Implementations, using provided annotations, creating composite validations, custom validations, and how to make all that work in a web app.