📚 Library Management System

A robust Java-based Library Management System developed using Object-Oriented Programming principles. The application allows librarians to manage books, members, borrowing operations, and returns through an interactive console interface.

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📖 Overview

This project simulates a real-world library management environment and demonstrates the practical implementation of core Java programming concepts.

The system manages:

• Books
• Library Members
• Borrowing Operations
• Return Operations
• Library Information

The project emphasizes clean code, object-oriented design, exception handling, and input validation.

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✨ Features

📚 Book Management

• Add books to the library
• View all books
• Search books by ID
• Check book availability

👤 Member Management

• Add new members
• View registered members
• Track borrowed books

🔄 Borrowing System

• Borrow books
• Return books
• Borrowing limit enforcement
• Availability checking

🛡 Validation & Error Handling

• Book ID validation
• Member ID validation
• Borrow limit control
• Exception handling
• User-friendly error messages

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🛠 Technologies Used

• Java
• Object-Oriented Programming (OOP)
• Java Collections Framework
• Exception Handling
• Console-Based User Interface

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🏗 Project Architecture

Library Management System
│
├── Book
│   ├── Book Information
│   ├── Availability Status
│   └── Borrow / Return Methods
│
├── Member
│   ├── Member Information
│   ├── Borrowed Books List
│   └── Borrow / Return Operations
│
├── Library
│   ├── Book Management
│   ├── Member Management
│   ├── Search Operations
│   └── Library Reports
│
└── Lib
    └── Main Application

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🚀 Getting Started

Clone Repository

git clone https://github.com/Wadan3/Library-Management-System.git

Compile

javac Lib.java

Run

java Lib

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📋 Sample Menu

========================================
       Library Management System
========================================

1. View all books
2. View all members
3. Add a new book
4. Add a new member
5. Search book by ID
6. Borrow a book
7. Return a book
8. Exit

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🎯 Learning Objectives

This project demonstrates:

• Object-Oriented Design
• Class Relationships
• Data Encapsulation
• Exception Handling
• Collections Framework
• Interactive Console Applications
• Software Architecture Fundamentals

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🔒 Validation Rules

Item	Rule
Book ID	Exactly 5 Characters
Member ID	Exactly 6 Characters
Borrow Limit	Maximum 3 Books
Availability	Book Must Be Available

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📦 Release

Current Version:

v1.0.0

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📜 License

This project is licensed under the MIT License.

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👨‍💻 Author

Abdul Mosawer Wadan

Computer Engineering Student

Amirkabir University of Technology (Tehran Polytechnic)

GitHub: https://github.com/Wadan3

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