Java Online Library System 📚

This is a simple Online Library simulation program written in Java. It allows users to:

• View available books in the library
• Add new books to the library
• Issue books to users
• Return issued books

The program uses basic Java concepts such as:

• Loops
• Conditionals
• Methods
• Static variables
• Arrays
• Scanner for user input

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🧾 Features

1. ✅ Show Available Books
2. 📖 Add New Book
3. 💳 Issue a Book
4. 🔄 Return a Book
5. 🚪 Exit the Program

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🔧 How It Works

• The user is shown a menu with options.
• The user selects an option by entering a number.
• Based on the selection, the corresponding method is executed:
  • Show the list of available books.
  • Add a new book to the library.
  • Issue a book (mark it as "not available").
  • Return a book (mark it as "available").
• The program continues running until the user selects "Exit".

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🛠️ Requirements

• Java JDK (version 8 or above)
• A Java IDE like IntelliJ, Eclipse, or simply a text editor + command line

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▶️ Run the Program

1. Clone the repo

git clone https://github.com/yourusername/Online-Library-System-in-java.git
cd Online-Library-System-in-java

2. Compile and Run

javac OnlineLibrary.java
java OnlineLibrary

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📸 Sample Screenshots

🧽 Menu

📖 Add Book

💳 Issue Book

🔄 Return Book

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🙌 Author

• Subham Sidhanta
• 📧 Instagram: subham__sidhanta_
• 📧 github: Subhamsidhanta