Chapter 13: Spring Boot REST API That Returns JSON | Spring Boot Course

Ramesh Fadatare

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Jan 12, 2025

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In this chapter, we will build the Spring Boot REST API that returns a Java Bean in JSON format. This is a common requirement for building web services that return the JSON to the client.

Learn everything about Spring Boot: Spring Boot Tutorial.

Setting Up the Project

Using Spring Initializr

Open Spring Initializr:

• Navigate to Spring Initializr in your web browser.

Configure Project Metadata:

• Group: com.company
• Artifact: springboot-rest-api
• Name: springboot-rest-api
• Description: Spring Boot REST API returns Java Bean as JSON
• Package name: com.company.restapi
• Packaging: Jar
• Java Version: 21 (or the latest version available)
• Spring Boot Version: Select the latest version of Spring Boot

Select Dependencies:

• Spring Web

Generate and Download:

• Click the “Generate” button to download the project as a ZIP file.

Importing the Project into IntelliJ IDEA

Open IntelliJ IDEA:

• Launch IntelliJ IDEA from your installed applications.

Import the Project:

• On the welcome screen, click “Open or Import”.
• Navigate to the directory where you downloaded the Spring Initializr ZIP file.
• Select the ZIP file and click “Open”.
• IntelliJ IDEA will unzip the file and import the project.

Configure Maven (if needed):

• IntelliJ IDEA will automatically detect the Maven build file (pom.xml) and import the project.
• If prompted, confirm any necessary Maven configurations.

Step 1: Create a Java Bean