What are the two Spring Boot file formats? Spring Boot allows developers to configure their applications using one of two formats: The traditional application.properties file. The newer ...

Spring Boot's application.properties file and its application.yaml counterpart are key to creating flexible and configurable Java applications.

In the first part of this tutorial, we created a Todo application with a React front end and a Spring Boot back end. In the second part, we added a local MongoDB instance for storage.