validation
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Apache Commons Lang, a package of Java utility classes for the classes that are in java.lang's hierarchy, or are considered to be so standard as to justify existence in java.lang. The code is tested using the latest revision of the JDK for supported ...
Last Release on Nov 12, 2025
Rich and fluent assertions for testing in Java
Last Release on Jan 24, 2026
JavaBeans Validation (Bean Validation) is a validation model that can add constraints to the beans with annotations placed on fields, methods, or classes.
Last Release on Feb 1, 2025
Hibernate's Jakarta Validation reference implementation.
Last Release on Nov 7, 2025
Starter for using Java Bean Validation with Hibernate Validator
Last Release on Apr 23, 2026
checker-qual contains annotations (type qualifiers) that a programmerwrites to specify Java code for type-checking by the Checker Framework.
Last Release on May 2, 2026
Apache Commons Validator provides the building blocks for both client-side and server-side data validation. It may be used standalone or with a framework like Struts.
Last Release on Nov 18, 2025
Aggregator of the Hibernate Validator modules.
Last Release on Aug 6, 2025

A json schema validator that supports draft v4, v6, v7, v2019-09 and v2020-12
Last Release on Apr 15, 2026
Implementation specific classes for JSR 380 Bean Validation 2.0
Last Release on Mar 13, 2025