Master Java Web Services and REST API with Spring Boot- Step 04 - Enhancing the Hello World Service to return a Bean

What is the primary purpose of using Spring Boot in the context of this tutorial?

• To design user interfaces

• To manage user authentication

• To create a project with minimal setup

• To handle database operations

What is the main change made when creating a GET mapping for the HelloWorld bean?

• Returning a HelloWorld bean

• Returning a simple string

• Returning an XML document

• Returning a JSON object

Which method is used to create a new class in the tutorial?

• Control + C

• Control + V

• Control + Z

• Control + 1

Why is it important to generate a getter for the HelloWorld bean?

• To enhance security

• To improve performance

• To enable automatic conversion to JSON

• To reduce memory usage

What error occurs if the HelloWorld bean does not have a getter?

• No converter found for return value

• Compilation error

• Null pointer exception

• Runtime exception

What is the structure of the JSON message returned by the HelloWorld bean?

• It is an empty JSON object

• It has multiple nested objects

• It contains a single message field

• It includes a list of messages

What is the final output when the HelloWorld bean is correctly set up and returned?

• A JSON string with a message

• A plain text message

• An XML document

• A binary file