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.

What are the three main components involved in building a simple flow in an enterprise application?

• Controller, Business Service, Data Service

• Frontend, Backend, Middleware

• Model, View, Controller

• Database, API, User Interface

What is the purpose of the pom.xml file in a Maven project?

• To set the application server port

• To define the main class of the application

• To manage project dependencies

• To specify the database configuration

Which layer is responsible for handling business logic in an enterprise application?

• Web Layer

• Data Layer

• Presentation Layer

• Business Layer

What is the role of the data layer in an enterprise application?

• To serve static files

• To manage user interface components

• To retrieve and manage data from the database

• To handle business logic

What annotation is used to define a REST controller in Spring?

• @Service

• @RestController

• @Repository

• @Controller

What is the default port used by Spring Boot applications?

• 80

• 8080

• 3000

• 5000

How can you define a URL mapping for a GET request in a Spring application?

• Using @DeleteMapping

• Using @GetMapping

• Using @PutMapping

• Using @PostMapping