• Bean Validation 2.0 (JSR 380) - is a specification of the Java API for bean validation
• Validation API - contains only interfaces / annotations etc, no implementations
• Hibernate Validator - is the reference implementation, and currently the only certified implementation of JSR-380

Dependencies

Validation API

<dependency>
    <groupId>javax.validation</groupId>
    <artifactId>validation-api</artifactId>
    <version>2.0.1.Final</version>
</dependency>

Hibernate Validator

<dependency>
    <groupId>org.hibernate.validator</groupId>
    <artifactId>hibernate-validator</artifactId>
    <version>6.0.13.Final</version>
</dependency>

Subpages

• Java - Bean Validation 2.0 (JSR 380) - Bean／Object Constraints
• Java - Bean Validation 2.0 (JSR 380) - Method Constraints

Resources

• https://www.baeldung.com/javax-validation