Table of contents
1.
Introduction
2.
Full Stack Developer Roadmap
3.
Choose a Technology on Which You Want to Work
3.1.
Frontend Development
3.1.1.
1. HTML, CSS, and JavaScript
3.1.2.
2. JavaScript Frameworks (React.js or Angular)
3.2.
Backend Development
3.2.1.
1. Learn Core Java
3.2.2.
2. Spring Boot Framework
3.3.
Database
3.4.
Version Control System
3.4.1.
Basic Git Commands:
4.
Build Projects
4.1.
1. To-Do List Application
4.2.
2. E-commerce Website
5.
Frequently Asked Questions
5.1.
What is the role of a Java Full Stack Developer?
5.2.
Which Java framework is best for backend development?
5.3.
How long does it take to become a Java Full Stack Developer?
6.
Conclusion
Last Updated: Mar 3, 2025
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Java Full Stack Developer Roadmap

Author Rahul Singh
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Introduction

A Java Full Stack Developer is a professional who can work on both frontend and backend development using Java and related technologies. This roadmap will guide you through the essential skills required to become a Java Full Stack Developer

By the end of this article, you will understand the key technologies, tools, and best practices needed to build complete web applications.

Full Stack Developer Roadmap

Becoming a Java Full Stack Developer requires learning multiple technologies. The development process is divided into frontend, backend, database management, version control, and project building. 

Choose a Technology on Which You Want to Work

Before starting your journey, you need to decide on the technology stack. Since we are focusing on Java Full Stack Development, we will primarily use the following technologies:

Understanding these technologies will help you become proficient in Java full-stack development.

Frontend Development

The frontend is responsible for user interaction and display. As a full-stack developer, you must learn:

1. HTML, CSS, and JavaScript

These are the basic building blocks of web development.

  • HTML structures the webpage.
     
  • CSS styles the webpage.
     
  •  JavaScript adds interactivity.
     

Example:

<!DOCTYPE html>
<html>
<head>
    <title>Simple Web Page</title>
    <style>
        body { font-family: Arial, sans-serif; }
        h1 { color: blue; }
    </style>
</head>
<body>
    <h1>Welcome to Full Stack Development</h1>
    <button onclick="alert('Hello, Java Full Stack!')">Click Me</button>
</body>
</html>

2. JavaScript Frameworks (React.js or Angular)

To build dynamic web applications, you need to learn a frontend framework. React.js and Angular are two popular choices.

Example of a React component:

import React from 'react';

function Welcome() {
    return <h1>Hello, Java Full Stack Developer!</h1>;
}

export default Welcome;


React helps in creating reusable UI components and enhances the development experience.

Backend Development

The backend is where business logic is implemented. Java is widely used for backend development with Spring Boot.

1. Learn Core Java

Understanding Java fundamentals like OOPs concepts, collections, and exception handling is crucial.

Example

public class HelloWorld {
    public static void main(String[] args) {
        System.out.println("Hello, Java Full Stack Developer!");
    }
}

2. Spring Boot Framework

Spring Boot is a powerful framework for backend development in Java.

Example of a simple REST API

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

@RestController
@RequestMapping("/api")
public class HelloController {
    @GetMapping("/hello")
    public String sayHello() {
        return "Hello from Spring Boot!";
    }
}


Run this and access http://localhost:8080/api/hello to see the output.

Database

Databases store application data. There are two main types:

  • Relational Databases (SQL): MySQL, PostgreSQL
     
  • NoSQL Databases: MongoDB

Example of creating a table in MySQL:

CREATE TABLE users (
    id INT PRIMARY KEY AUTO_INCREMENT,
    name VARCHAR(50),
    email VARCHAR(100)
);
You can also try this code with Online MySQL Compiler
Run Code

 

Example of inserting data:

INSERT INTO users (name, email) VALUES ('John Doe', 'john@example.com');

Version Control System

Version control helps in tracking code changes. Git is the most popular tool for this purpose.

Basic Git Commands:

git init   # Initialize a new repository
git add .  # Add all files to staging
git commit -m "Initial commit"  # Commit changes
git push origin main  # Push code to GitHub

 

Using Git ensures safe code collaboration and management.

Build Projects

The best way to master full-stack development is by building projects. Here are some project ideas:

1. To-Do List Application

  • Frontend: React.js
     
  • Backend: Spring Boot
     
  • Database: MySQL

2. E-commerce Website

  • Features: Product listings, user authentication, cart management
     
  • Tools: React.js, Spring Boot, MongoDB

Example of connecting a frontend with a backend API:

fetch("http://localhost:8080/api/hello")
    .then(response => response.text())
    .then(data => console.log(data));

Frequently Asked Questions

What is the role of a Java Full Stack Developer?

A Java Full Stack Developer works on both frontend (UI) and backend (server, database) development using Java-related technologies.

Which Java framework is best for backend development?

Spring Boot is widely used for building scalable and efficient Java backend applications.

How long does it take to become a Java Full Stack Developer?

It typically takes 6 months to 1 year, depending on your learning pace and project-building experience.

Conclusion

Becoming a Java Full Stack Developer requires learning multiple technologies, including frontend (React.js, Angular), backend (Spring Boot), databases (MySQL, MongoDB), and version control (Git). By following this roadmap and practicing with projects, you can build scalable web applications and enhance your career opportunities. 

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