☕ Hello Java Maven with Jenkins

A simple Java Hello World project built using Maven and automated with Jenkins Freestyle Job.

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📁 Project Structure

hello-java-maven/ ├── src/ │ └── main/ │ └── java/ │ └── HelloWorld.java └── pom.xml

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🧠 Overview

This project demonstrates:

• How to use Jenkins to build a Java project with Maven.
• Basic CI/CD concepts with Jenkins Freestyle jobs.
• A simple Java program that prints "Hello, Jenkins + Maven!".

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⚙️ Setup Instructions

1️⃣ Create Java App

src/main/java/HelloWorld.java

public class HelloWorld {
    public static void main(String[] args) {
        System.out.println("Hello, Jenkins + Maven!");
    }
}

2️⃣ Start Jenkins

Run Jenkins in Docker:

docker run -d --name jenkins -p 8080:8080 jenkins/jenkins:lts


Open Jenkins at http://localhost:8080
 and complete setup.

3️⃣ Configure Maven in Jenkins

Go to Manage Jenkins → Global Tool Configuration

Add Maven (e.g., Maven 3.8.6)

4️⃣ Create a Freestyle Job

New Item → Freestyle Project → Name it hello-java-maven

Under Build, select Invoke top-level Maven targets

Set Goal: clean package

Save and click Build Now

5️⃣ Verify the Build

Open Console Output → You should see:

[INFO] BUILD SUCCESS

✅ Output

A successful Maven build for the Java HelloWorld app using Jenkins.