Become job ready as a full stack Java devevloper with this 4–6 months roadmap, the below roamap covers Frontend, Backend and deployment.

• Duration: 4–6 months (2–4 hours/day)
• Key Skills: Backend, Frontend, Deployment, Testing

🎯Phase 1: Java (1.5 Months)

⌛Week 1: Java Basics

• Variables, Data Types, Operators
• Loops (for, while, do-while)
• Functions & Recursion
• Arrays & Strings

⌛Week 2: Object-Oriented Programming (OOP)

• Classes, Objects, Constructors
• Encapsulation, Inheritance, Polymorphism
• Abstraction & Interfaces

⌛Week 3: Collections & Exception Handling

• Lists, Sets, Maps (ArrayList, HashMap, TreeSet)
• Try-Catch Blocks, Custom Exceptions

⌛Week 4: File Handling & JDBC

• Reading/Writing Files (FileReader, BufferedReader)
• Connecting Java with MySQL (JDBC)

🎯Phase 2: Spring & Spring Boot (2 Months)

⌛Week 5: Spring Core

• Spring Framework Basics
• Dependency Injection (DI) & Inversion of Control (IoC)

⌛Week 6: Spring Boot Basics

• Setting up Spring Boot Project
• RESTful APIs (@GetMapping, @PostMapping)
• Spring Boot Annotations

⌛Week 7: Spring MVC & JPA

• MVC Architecture (Controller, View, Model)
• Spring Data JPA (@Entity, @Repository, @Service)
• CRUD Operations (Create, Read, Update, Delete)

⌛Week 8: Spring Security & Authentication

• JWT Token Authentication
• Role-Based Access Control

🎯Phase 3: Frontend (JavaScript + React) (1.5 Months)

⌛Week 9: JavaScript, HTML & CSS Basics

• HTML Elements, Forms, Tables
• CSS Flexbox, Grid, Animations
• JavaScript (let, const, function, fetch())

⌛Week 10: JavaScript Advanced Concepts

• ES6+ Features (Arrow Functions, Promises, async/await)
• DOM Manipulation (document.getElementById(), addEventListener())

⌛Week 11: React Basics

• React Components & Props
• State Management (useState, useEffect)
• React Router (Navigation)

⌛Week 12: React Advanced

• Context API, Redux (State Management)
• Integrating React with Spring Boot (Fetching Data)

🎯Phase 4: Git, Integration, Deployment & Testing (1 Month)

⌛Week 13: Git & Version Control

• Git Basics (git init, git commit, git push)
• GitHub & Branching (git checkout, git merge)

⌛Week 14: Backend & Frontend Integration

• Connecting React Frontend with Spring Boot Backend
• Handling CORS Issues

⌛Week 15: Deployment

• Deploying Spring Boot API (Heroku, AWS, or DigitalOcean)
• Deploying React App (Netlify, Vercel, or Firebase)

⌛Week 16: Testing & Debugging

• JUnit & Mockito (Unit Testing)
• Postman for API Testing

Conclusion

🍎 After completing this roadmap, build a Resume with some projects to land on a job.
🍓 Try for remote jobs or start freelancing.
🍇 If you are good enough of the topics you have learned, you can start teaching to others.
🍊 After this, you can explore DevOps, Microservices, or Cloud Computing, Blockchain.