Java Complete Roadmap

Introduction

This roadmap takes you from absolute basics to advanced Java concepts, step by step.

Core Topics

• Variables, data types, and operators
• Control flow (if/else, loops)
• Object-Oriented Programming (OOP)
• Collections Framework
• Exception handling
• Multithreading

Sample Code

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

Next Steps

Once you're comfortable with the basics, move on to Spring Boot for backend development.