Java Programming for Complete Beginners - Java 16 - Step 03 - Build a Hello World API with Spring Boot

This video tutorial introduces Spring Boot by guiding viewers through the creation of a simple REST API. It covers setting up a controller, exposing a web URL, and building a Course class with necessary fields and methods. The tutorial demonstrates how to generate getters and run the application, showcasing the ease of creating a REST API with Spring Boot. The video concludes with a demonstration of the application running successfully, highlighting the power and simplicity of Spring Boot.

What is the primary purpose of creating a controller in Spring Boot?

• To handle HTTP requests and responses

• To manage database connections

• To perform data validation

• To configure application properties

Which annotation is used to define a REST controller in Spring Boot?

• @RestController

• @Component

• @Service

• @Repository

What is the default HTTP request method when a user sends a request?

• POST

• GET

• PUT

• DELETE

What fields are included in the Course class?

• ID, Name, Author

• Title, Description, Duration

• Name, Author, Duration

• ID, Title, Description

Which method is generated to display the Course class details?

• equals()

• hashCode()

• compareTo()

• toString()

What URL is used to access the courses API?

• localhost:8080/api/courses

• localhost:8080/api/courseList

• localhost:8080/courses

• localhost:8080/courseList

What tool is mentioned for viewing JSON responses in a formatted way?

• JSON Formatter

• Postman

• Chrome DevTools

• JSON Viewer