Write your standalone Spring Boot console app code inside the run method of the class. Spring Boot's CommandLineRunner In a typical Java application, to create a console app, a developer places code ...

Spring's application.properties file To demonstrate how the application.properties Spring configuration file works with the Spring @ConfigurationProperties annotation, we fill the file with a variety ...

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.