type=page
status=published
title=Bean Validation: Advanced Topics
next=bean-validation-advanced001.html
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Bean Validation: Advanced Topics
================================

[[GKAHP]]

[[bean-validation-advanced-topics]]
24 Bean Validation: Advanced Topics
-----------------------------------


This chapter describes how to create custom constraints, custom
validator messages, and constraint groups using the Java API for
JavaBeans Validation (Bean Validation).

The following topics are addressed here:

* link:bean-validation-advanced001.html#GKFGX[Creating Custom
Constraints]
* link:bean-validation-advanced002.html#GKAHI[Customizing Validator
Messages]
* link:bean-validation-advanced003.html#GKAGV[Grouping Constraints]
* link:bean-validation-advanced004.html#CIHGJBGI[Using Method Constraints
in Type Hierarchies]
