📚 Library Management System

A console-based Library Management System built in C++ using file handling and object-oriented programming. It allows librarians to manage books and students, and handles book issuing and return with automated fine calculation.

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🗂️ Features

Module	Operations
Books	Add, display, modify, delete
Students	Add, display, modify, delete
Book Issue	Issue a book to a student (one book per student)
Book Deposit	Return a book with fine calculation (₹1/day after 15 days)
Reports	List all books / all students

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🖥️ Menu Structure

Main Menu
├── 1. Book Issue
├── 2. Book Deposit
├── 3. Administrator Menu
│   ├── Create / Display / Modify / Delete Student Records
│   ├── Create / Display / Modify / Delete Book Records
│   └── Back to Main Menu
└── 4. Exit

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🧱 Code Structure

Classes

book

• Stores book number, book name, and author name
• Methods: createbook(), showbook(), modifybook(), report()

student

• Stores admission number, name, issued book number, and token (issue status)
• Methods: createstudent(), showstudent(), modifystudent(), report()
• Token system: 0 = no book issued, 1 = book currently issued

Data Storage

Records are persisted to binary files using C++ file streams (fstream):

File	Contents
book.dat	All book records
student.dat	All student records

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⚙️ Setup & Usage

Requirements

• Turbo C++ (originally written for DOS-era compiler)
• To compile on modern systems, replace legacy headers:

Legacy Header	Modern Equivalent
iostream.h	iostream
fstream.h	fstream
iomanip.h	iomanip
conio.h	Remove / replace clrscr(), getch()
stdlib.h	cstdlib

Compile (Modern GCC)

g++ LMSCode.cpp -o lms
./lms

⚠️ You may need to remove or stub out clrscr(), getch(), and gotoxy() calls, as these are Turbo C++ specific.

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📌 Known Limitations

• Only one book can be issued per student at a time.
• Book and admission numbers are limited to 5 characters.
• No password protection on the Administrator menu.
• Fine rate is hardcoded at ₹1/day (after a 15-day grace period).
• Built for Turbo C++ — minor refactoring needed for modern compilers.

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🛠️ Possible Improvements

• Migrate to modern C++ (std::string, std::vector, STL file I/O)
• Add login authentication for the admin panel
• Support multiple book issuance per student
• Replace binary file storage with SQLite for reliability
• Add a due-date tracker instead of manual day entry

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👤 Author

Chahat — Academic project demonstrating file handling and OOP in C++.