JUnit is a widely used testing framework for Java applications. It provides annotations, assertions, and test runners to simplify the process of writing and running unit tests.
REST (Representational State Transfer) is an architectural style for building web services that interact using standard HTTP methods (GET, POST, PUT, DELETE, etc.). It relies on stateless communication and uses resource-based URIs (Uniform Resource Identifiers) for addressing.
What is SpringBoot ? How it is different from Spring framework ?
Spring Boot is an extension of the Spring Framework that simplifies the development of Java applications by providing auto-configuration, an embedded server, and opinionated defaults.