Guava is a suite of core and expanded libraries that include

API for Jakarta Servlet, enabling web applications to handle HTTP requests and responses through a standard interface ...

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

Mockito mock objects library core API and implementation

Spring webmvc contains Spring's model-view-controller (MVC) and REST Web Services implementation for web applications. ...

Spring Test supports the unit testing and integration testing of Spring components with JUnit or TestNG. It provides ...