REST API with Spring Boot 

Endpoint implementation to retrieve comments - part 1 (The Controller)

In this lesson, we implement a method to return all comments of a particular post, in a test-first manner.

That means, as, in all of the implementations throughout the project, we write unit tests before writing a single line of logic.

An introduction to TDD: https://javacodehouse.com/blog/test-driven-development-tutorial