A comprehensive guide for Java programming fundamentals, object-oriented concepts, and advanced features.

• Variables and Data Types
• Operators
• Control Structures
• Arrays
• Methods
• String Operations

• Classes and Objects
• Inheritance
• Interfaces
• Abstract Classes
• Polymorphism
• Encapsulation

• Generics
• Collections Framework
• Multithreading
• Lambda Expressions
• Stream API
• Exception Handling

• Modern Java development
• Object-oriented programming
• Functional programming
• Concurrent programming
• Collections framework
• Stream operations

Each section includes practical, well-commented code examples demonstrating implementation and best practices.

1. Start with Elements for core concepts
2. Move to Basics for OOP fundamentals
3. Advance to complex features in Advanced

Contributions are welcome! Please feel free to submit a Pull Request.

This project is licensed under the MIT License - see the LICENSE file for details.