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Core Java Repository

Welcome to the Core Java Repository! 🎉
This repository serves as a comprehensive resource for Java learners, developers, and recruiters. It covers a wide range of Java topics, including foundational concepts, advanced programming techniques, and real-world applications.

📚 Table of Contents

  1. Introduction
  2. Features
  3. Java Topics Covered
  4. How to Use This Repository
  5. Repository Structure
  6. Contributing
  7. Contact

📝 Introduction

Java is one of the most widely-used programming languages in the world, known for its platform independence and robust design. This repository is designed to help individuals:

  • Learn Java from the ground up.
  • Master core and advanced Java concepts.
  • Prepare for interviews with practical code examples and solutions.

Whether you are a beginner or a seasoned developer, you'll find valuable resources here to strengthen your Java skills.

✨ Features

  • Comprehensive coverage of Core Java Concepts.
  • Hands-on examples for better understanding.
  • Organized topics for easy navigation.
  • Real-world use cases and programs.
  • Interview-ready coding solutions (e.g., LeetCode problems).
  • Java 8 features like Lambdas, Streams, and more.

📂 Java Topics Covered

The repository includes code samples and explanations for the following topics:

Core Concepts

  • Java Syntax and Basics
  • Variables, Data Types, and Operators
  • Control Structures: Loops, Conditionals

Object-Oriented Programming (OOP)

  • Classes and Objects
  • Inheritance, Polymorphism, and Abstraction
  • Encapsulation and Interfaces

Data Structures and Collections

  • Arrays
  • Java Collections Framework (List, Set, Map, etc.)
  • Custom implementations and advanced examples

Exception Handling

  • Try-Catch-Finally
  • Custom Exceptions
  • Best Practices

Multithreading and Concurrency

  • Threads and Runnable
  • Synchronization
  • Advanced Concurrency APIs

Java 8 Features

  • Streams API
  • Lambda Expressions
  • Functional Interfaces

GUI and Event Handling

  • AWT Programs
  • Event Handling Basics

Database Connections

  • JDBC (Java Database Connectivity) Examples
  • Database CRUD Operations

Other Advanced Topics

  • File Handling
  • Date and Time APIs (DatePros)
  • Input/Output Streams
  • Serialization and Deserialization

🛠️ Repository Structure

.
├── [awtprograms]       # GUI programming examples using AWT
├── [collections]       # Java Collections Framework
├── [core]              # Core Java concepts
├── [datepros]          # Date and Time APIs
├── [connection]        # JDBC and database operations
├── [exceptions]        # Exception handling examples
├── [lambda]            # Java 8 Lambdas and Functional Programming
├── [leetcode]          # Problem-solving and algorithms
├── [methods]           # Methods and Functions
├── [oops]              # Object-Oriented Programming concepts
├── [streams]           # Java 8 Streams API
├── [thread]            # Multithreading and concurrency
└── README.md           # This file

🚀 How to Use This Repository

Clone the repository:

git clone https://github.com/Prabhakar-Naik/java-core.git
cd java-core

Navigate to a specific topic folder to explore code examples and explanations.

Use the examples as references for your learning or projects.

🤝 Contributing

Contributions are welcome! If you find a bug, have an idea for improvement, or want to add more examples, please feel free to create a pull request.

Steps to Contribute:

Fork the repository.

Create a feature branch:

git checkout -b feature/new-topic

Commit your changes

git commit -m "Added new topic/example"

Push to the branch:

git push origin feature/new-topic

Open a pull request.

📞 Contact

For any questions or suggestions, feel free to reach out:

Email: [email protected]

GitHub Profile: Prabhakar Naik

Thank you for exploring the Core Java Repository. Happy Coding! 🚀