Random Beans built-in randomizers

JavaBeans Validation (Bean Validation) is a validation model that can add constraints to the beans with annotations ...

JUnit Jupiter is the API for writing tests using JUnit 5.

Rich and fluent assertions for testing in Java

GlassFish implementation of the Expression Language (EL) used in JSP and JSF applications.

Hibernate's Jakarta Validation reference implementation.

Mockito mock objects library core API and implementation