Welcome to the comprehensive Java learning repository! This repository is designed to take you from a complete beginner to an intermediate Java developer in 50 days.
This course covers everything from basic syntax to advanced concepts including:
- Java fundamentals and syntax
- Object-oriented programming
- Data structures and algorithms
- File handling and I/O
- Collections framework
- Exception handling
- Multithreading and concurrency
- Java 8+ features (Streams, Lambda expressions)
- Database connectivity
- Web development basics
- And much more!
Each day contains:
- Java source files with practical examples
- README.md explaining the concepts covered
- Exercises to reinforce learning
- Best practices and tips
- Prerequisites: Make sure you have Java JDK 8 or higher installed
- IDE: Use any Java IDE (IntelliJ IDEA, Eclipse, VS Code with Java extensions)
- Learning Path: Start from Day 01 and progress sequentially
- Practice: Complete the exercises in each day's folder
| Day | Topic | Description |
|---|---|---|
| 01-10 | Java Basics | Variables, data types, operators, control flow |
| 11-20 | Object-Oriented Programming | Classes, objects, inheritance, polymorphism |
| 21-30 | Advanced Java | Collections, exceptions, file I/O |
| 31-40 | Modern Java | Streams, lambda expressions, functional programming |
| 41-50 | Real-world Applications | Database, web development, design patterns |
- Clone this repository
- Install Java JDK (version 8 or higher)
- Set up your preferred IDE
- Start with Day 01 and work through each day
- Each day's folder contains complete working examples
- Read the README.md first to understand the concepts
- Run the Java files to see the output
- Complete the exercises provided
- Review and experiment with the code
We welcome contributions from everyone! Whether you're a beginner or an experienced developer, there are many ways to help improve this learning resource.
📖 Please read our CONTRIBUTING.md file for detailed guidelines on how to contribute.
Quick ways to contribute:
- 🐛 Report bugs or suggest improvements
- 📚 Add more examples to existing days
- ✨ Improve explanations in README files
- 🆕 Create additional exercises or practice problems
- 🔧 Fix typos or compilation errors
If you have questions or need clarification on any topic, please open an issue in this repository.
Happy Learning! 🎉
Remember: Consistency is key. Dedicate time each day to practice and you'll master Java in no time!