Roadmap to Become a Full Stack Java Developer

 1. Basics of Programming and Java

Learn Java fundamentals:


Syntax, variables, data types


Control structures (if-else, loops)


Functions and methods


Object-Oriented Programming (OOP) concepts: classes, objects, inheritance, polymorphism, abstraction, encapsulation


Exception handling


Collections framework (List, Set, Map)


Java 8+ features: Streams, Lambdas, Optional


2. Version Control System

Learn Git basics:


Repositories, commits, branches, merges


GitHub or GitLab for remote repo hosting


3. Build Tools and Dependency Management

Learn Maven or Gradle to manage dependencies and build your Java projects


4. Core Back-End Development

Servlets and JSP (basic web concepts with Java)


Java EE / Jakarta EE basics (optional but useful)


Spring Framework (very important):


Spring Core (IoC, DI)


Spring MVC (Web apps)


Spring Boot (simplifies project setup)


Spring Data JPA (working with databases)


Spring Security (authentication/authorization)


5. Databases and Persistence

SQL fundamentals (MySQL, PostgreSQL, or any relational DB)


ORM: Hibernate or JPA for object-relational mapping


Basic CRUD operations, joins, indexing


NoSQL basics (MongoDB or Redis) – optional but good to know


6. Front-End Development

HTML, CSS, JavaScript (core web technologies)


Responsive design (Bootstrap or CSS frameworks)


Modern JavaScript (ES6+)


DOM manipulation


Front-end frameworks/libraries:


React.js (very popular)


Alternatively Angular or Vue.js


7. RESTful Web Services and APIs

Understand REST principles


Build REST APIs with Spring Boot


JSON data format (Jackson library)


Tools: Postman for API testing


8. Testing

Unit testing with JUnit and Mockito


Integration testing basics


9. Build Projects

Create projects combining front-end and back-end:


CRUD web app with Spring Boot + React


Simple e-commerce site


Blog platform


Deploy projects to platforms like Heroku or AWS


10. Advanced Topics and Tools (Optional but Recommended)

Microservices architecture with Spring Cloud


Message brokers (RabbitMQ, Kafka)


Docker and containerization basics


CI/CD pipelines (GitHub Actions, Jenkins)


Cloud platforms (AWS, Azure, GCP)


WebSockets for real-time apps


Summary Timeline (Example)

Phase Duration Key Focus

Basics & Core Java 1-2 months Java syntax, OOP, collections

Web & Spring Basics 1-2 months Servlets, Spring Core, MVC

Databases & APIs 1 month SQL, JPA/Hibernate, REST APIs

Front-End Skills 1-2 months HTML, CSS, JavaScript, React

Projects & Deployment 1-2 months Full stack apps, deployment

Advanced Topics Ongoing Microservices, Docker, Cloud

Learn Full Stack JAVA Training in Hyderabad

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What is Full Stack Java Development?

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