This repository contains comprehensive notes, real-world examples, and hands-on programs covering everything from Java fundamentals to advanced Android development:
📦 Repository Structure
├── 🔰 Java Fundamentals & OOP
├── 🗂️ Collections Framework & Generics
├── 📁 I/O, Serialization & Networking
├── ⚡ Concurrency & Multithreading
├── 🗄️ Database Integration
├── 🎨 Design Patterns
├── 📊 Data Structures & Algorithms
├── 🚀 Kotlin - Modern JVM Language
├── 📱 Android Development
└── ✅ Unit Testing
- Java Fundamentals & OOPS
- Collections & Exception Handling
- Files, I/O & Networking
- Contributing
- License
| Topic | Description |
|---|---|
| 50 Java Keywords | Complete reference with definitions & practical examples |
| Java Execution & JVM | Features, execution process & JVM internals explained |
| Core Concepts | Fundamentals & Object-Oriented Programming principles |
| OOPS Best Practices | Essential rules and patterns to remember |
| Built-in Methods | Number, Character, String & Array class methods |
🎨 Click to expand program categories
| Topic | Description |
|---|---|
| Generics | Type-safe programming with generics |
| Collections Framework | Complete guide to List, Set, Map & more |
| Exception Handling | Error handling & custom exceptions |
🎨 Click to expand program categories
| Topic | Description |
|---|---|
| Files & I/O | File operations, streams & NIO |
| Serialization | Object persistence & deserialization |
| Networking | Socket programming & network communication |
| RegEx & Lambda | Pattern matching & functional programming |
🎨 Click to expand program categories
The following sections are currently in development:
- ⚡ Concurrency in Java - Multithreading, synchronization & parallel processing
- 🗄️ Database Integration - JDBC, JPA & database connectivity
- 🎨 Design Patterns - Gang of Four patterns & best practices
- 📊 Data Structures - Custom implementations & algorithms
- 🔷 Kotlin - Modern JVM language features
- 📱 Android Development - Mobile app development with Kotlin
- ✅ Unit Testing - JUnit, Mockito & testing strategies
Contributions are welcome! Feel free to:
- 🐛 Report bugs
- 💡 Suggest new topics
- 📝 Improve documentation
- ✨ Add new examples
This project is open source and available for educational purposes.