java

Hibernate Validator 7.0.4.Final

Jakarta Bean Validation API: jakarta.validation Hibernate Validator core: org.hibernate.validator

annotations are used to declare the constraints, e.g : @NotNull, @Size, annotations should import jakarta.validation.constraints.*

ref:

https://docs.jboss.org/hibernate/stable/validator/reference/en-US/html_single/#validator-gettingstarted