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Spring Boot Installation Guide on Windows

~1 min read · Spring Boot
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Part 1: Install Java JDK Part 2: Configure JAVA_HOME Part 3: Install IntelliJ IDEA Part 4: Configure Java JDK in IntelliJ IDEA Part 5: Test Java in IntelliJ IDEA Part 6: Install Maven Part 7: Create a Spring Boot Application

This guide explains how to set up a complete Java Spring Boot development environment on Windows.

Part 1: Install Java JDK

Java JDK is required to develop and run Java applications for Spring Boot development, you need a JDK, not just a JRE.

Step 1: Download Java JDK

You can download Java from the official Oracle website:

Download Java JDK from Oracle

Download the JDK installer and wait for the download to complete.

Step 2: Install Java JDK

Open the downloaded Java installer.

Follow the installation steps.

Click Next.

Click Next.

Click Next.

Part 2: Configure JAVA_HOME

JAVA_HOME is an environment variable that points to your JDK installation directory.

Many Java tools such as Maven and Gradle use JAVA_HOME.

Step 2: Open Environment Variables

Open Windows Search and search for: Environmental variable.Select Edit the system environment variables Then click:

Select Environmental Variable

Click New

Update Variable is JAVA_HOME and Value is C:\Program Files\Java\jdk-21.0.12.1 and Click Ok

Select Path and Click Edit

Click New ,Type path C:\Program Files\Java\jdk-21.0.12.1\bin and Click Ok

Step 5: Verify JAVA_HOME

Open a new Command Prompt.

Run:this comments 

  • java -version
  • javac -version
  • echo %JAVA_HOME%

Java is now configured.

Part 3: Install IntelliJ IDEA

IntelliJ IDEA is an IDE used for Java development.

It provides features such as:

Step 1: Download IntelliJ IDEA

Download IntelliJ IDEA from the official JetBrains website:

Download IntelliJ IDEA

Select the Windows version and download the installer.

Wait for the download to complete.

Step 2: Run the Installer

Open the downloaded .exe file.

The IntelliJ IDEA Setup window will appear.

You can keep the default installation location.

Step 4: Select Installation Options

The installer may provide options such as:

  • Create a desktop shortcut
  • Add the bin directory to PATH
  • Add "Open Folder as Project"
  • Associate file extensions

Part 4: Configure Java JDK in IntelliJ IDEA

After installing IntelliJ IDEA, you need to make sure your Java project uses the correct JDK.

Step 2: Create a Spring Boot Application

Select New project

Select Spring Boot

If IntelliJ IDEA does not detect your JDK, select:

Add JDK from Disk

Then select:

C:\Program Files\Java\jdk-21

Click Next

Add Spring Web and Spring Boot Dev Tools and Click Create

Your project may look like:

Code
demo
│
├── .mvn
│
├── src
│   ├── main
│   │   ├── java
│   │   └── resources
│   │
│   └── test
│
├── mvnw
├── mvnw.cmd
├── pom.xml
└── HELP.md

Part 14: Create a Controller

Now create a simple REST API.

Inside: src/main/java/com/example/demo

HelloController.java
package com.example.demo;

import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class HelloController {

    @GetMapping("/")
    public String home() {
        return "Hello, Spring Boot!";
    }

}

Part 16: Run the Application

Open Command Prompt inside your Spring Boot project directory.

Run : mvnw.cmd spring-boot:run

CMD Run

CMD Run

Part 17: Open Spring Boot Application in Browser

Open your web browser.

Enter:

Code
http://localhost:8080

Press Enter.

You should see:

Code
Hello, Spring Boot!

Your first Spring Boot API is now working.

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