📚 Library Management System – Java (OOP)

A simple yet feature-rich console-based Library Management System built with Object-Oriented Programming (OOP) principles in Java.
This project manages books and users, supports multiple copies of each book, and prevents users from borrowing more than one copy of the same title.

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🚀 Features

• Book & User Management
  • Auto-generated unique IDs for books (B1, B2, …) and users (U1, U2, …).
  • Tracks total and available copies of each book.
• Borrow & Return
  • Issue a book only if copies are available.
  • A user cannot borrow multiple copies of the same book.
  • Proper return process restores availability.
• Search
  • Search by *title, **author, or *book ID (case-insensitive).
• Inventory
  • Supports multiple copies of each book and maintains accurate counts.

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🛠 Technologies Used

• Java 17+ (works on Java 8+)
• Core Java OOP (classes, objects, collections, streams)

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