Running your first Bean Validation 2.0 code

Bean Validation is a Java specification that basically helps you to protect your data. Through its API, you can validate fields and parameters, express constraints using annotations, and extend your customs' validation rules.

It can be used both with Java SE and Java EE.

In this recipe, you will have a glimpse of Bean Validation 2.0. It doesn't matter whether you are new to it or already using version 1.1; this content will help you get familiar with some of its new features.