Java Programming for Complete Beginners - Java 16 - Step 10 - Q3 - 02 - Spring Framework - Implementing a Flow across La

The video tutorial guides viewers through building a simple web application using a layered architecture. It covers setting up Maven dependencies, creating classes for the controller, business service, and data service, and organizing them into packages. The tutorial demonstrates hardcoding responses in the web layer using REST controllers and get mappings. Finally, it shows how to launch the application and test it by sending requests to a local server.

How does the business service layer interact with the data service layer?

What is the significance of returning responses in the correct format in a web application?

How can a user send requests to a web application, and what is the expected response?