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Library Management System

A comprehensive console-based library management system built with Java, implementing SOLID principles and design patterns.

Features

Book Management

  • Add, update, and delete books
  • Search books by author or title
  • Track book status (Available, Borrowed, Reserved)
  • Manage book editions and prices
  • Automatic due date calculation

Reader Management

  • Student and Faculty registration
  • Department-based filtering
  • Reader type-specific operations
  • Automatic ID generation
  • Reader status tracking

Borrowing System

  • Book lending and return operations
  • Due date tracking
  • Fine calculation
  • Reader limit management
  • Book availability checking

Technical Features

Design Patterns

  • Builder Pattern for object creation
  • Factory Pattern for reader types
  • Strategy Pattern for fine calculation
  • Observer Pattern for notifications

SOLID Principles

  • Single Responsibility Principle
  • Open/Closed Principle
  • Liskov Substitution Principle
  • Interface Segregation Principle
  • Dependency Inversion Principle

Data Structures

  • HashMap for efficient data storage
  • ArrayList for dynamic collections
  • Stream API for data processing

Getting Started

Prerequisites

  • Java JDK 11 or higher
  • Maven (for dependency management)

Installation

  1. Clone the repository
git clone https://github.com/yourusername/library-management-system.git
  1. Navigate to the project directory
cd library-management-system
  1. Compile the project
javac src/main/java/main/*.java
  1. Run the application
java src.main.java.main.Main

Usage

Main Menu Options

  1. Book Operations

    • Add new book
    • Update book information
    • Delete book
    • Search books
    • List all books

  2. Reader Operations

    • Student registration
    • Faculty registration
    • Update reader information
    • Delete reader
    • List readers by department

  3. Borrowing Operations

    • Lend book
    • Return book
    • Calculate fines
    • View borrowing history

Project Structure

Contributing

  1. Fork the repository
  2. Create your feature branch (git checkout -b feature/AmazingFeature)
  3. Commit your changes (git commit -m 'Add some AmazingFeature')
  4. Push to the branch (git push origin feature/AmazingFeature)
  5. Open a Pull Request

Version History

  • v1.0 - Initial Release

    • Basic library management features
    • Reader and book management
    • Borrowing system

  • v1.1 - Search Feature Update

    • Added book search functionality
    • Improved code organization
    • Enhanced user interface

License

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

Acknowledgments

  • Thanks to all contributors
  • Inspired by real library management systems
  • Built with modern Java practices