A Java Full-Stack Development course from Zero to Hero covers both frontend and backend technologies along with essential tools, frameworks, and databases. Here’s a structured roadmap:

1. Introduction to Full-Stack Development

What is Full-Stack Development?

Overview of Java Full-Stack Technologies

Understanding Frontend, Backend, and Database

2. Core Java (Backend Foundation)

Java Basics: Variables, Data Types, Operators

Control Statements (Loops, Conditions)

Object-Oriented Programming (OOPs)

Classes & Objects

Inheritance, Polymorphism

Encapsulation & Abstraction

Exception Handling

Collections Framework (List, Set, Map)

Streams & Lambda Expressions

Multithreading & Concurrency

File Handling

3. Advanced Java (Backend Essentials)

Java I/O (Input/Output)

JDBC (Java Database Connectivity)

Servlets & JSP (Java Server Pages)

Session Management & Filters

Java Mail API

RESTful Web Services using JAX-RS

4. Spring Boot (Backend Framework)

Introduction to Spring Framework

Spring Boot Basics & Architecture

Dependency Injection & Spring Beans

Spring MVC (Model-View-Controller)

REST APIs with Spring Boot

Data Access with Spring Data JPA

Spring Security (Authentication & Authorization)

Spring Boot with Microservices

API Documentation (Swagger)

5. Frontend Development (User Interface)

HTML, CSS, JavaScript Basics

HTML5 & Semantic Elements

CSS3 (Flexbox, Grid, Animations)

JavaScript (ES6+)

Functions, Arrays, Objects

DOM Manipulation

Event Handling

Async JS (Promises, Fetch API)

Frontend Frameworks

Bootstrap & Tailwind CSS

TypeScript Basics

React.js (OR Angular if required)

Components, Props, State

React Router & Hooks

Redux for State Management

API Integration with Axios

Performance Optimization

6. Database Management

SQL Basics (CRUD Operations)

MySQL / PostgreSQL

Database Relationships (One-to-One, One-to-Many)

Joins, Indexing & Optimization

NoSQL Basics (MongoDB)

ORM with Hibernate & JPA

7. RESTful APIs & Web Services

REST API Principles

Creating APIs with Spring Boot

JSON & XML Data Formats

API Testing with Postman

Authentication (JWT, OAuth2)

8. Microservices Architecture

Introduction to Microservices

Building Microservices with Spring Boot

Service Discovery with Eureka

API Gateway (Spring Cloud Gateway)

Inter-Service Communication (Feign Clients)

Docker & Kubernetes for Deployment

9. DevOps & CI/CD

Version Control (Git & GitHub)

Build Tools (Maven, Gradle)

CI/CD Pipeline (Jenkins, GitHub Actions)

Docker & Containerization

Cloud Deployment (AWS, Google Cloud, Azure)

10. Testing & Debugging

Unit Testing with JUnit & Mockito

Integration Testing

Debugging Techniques

11. Real-World Project & Deployment

Building a Full-Stack Application (E-commerce, Blog, CRM, etc.)

Deploying on Cloud (AWS EC2, Firebase, Heroku)

Performance Optimization & Security Best Practices

12. Soft Skills & Career Readiness

Resume Building & Interview Preparation

Cracking Coding Interviews (DSA, System Design)

Freelancing & Open Source Contributions