📚 Digital Library Book Management System

📌 Overview

The Digital Library Book Management System is a Java Console Application that allows users to manage a collection of books. It provides functionalities to add, view, search, update, and delete books using a simple command-line interface.

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🚀 Features

✅ Add a Book – Ensures unique book IDs and mandatory fields.
✅ View All Books – Lists all books in the library.
✅ Search for a Book – Allows searching by book ID or title.
✅ Update Book Details – Modify title, author, and availability status.
✅ Delete a Book – Removes a book from the system.

🛠️ Technologies Used

• Java SE 11+
• JUnit 5 (for unit testing)
• Maven (for build & dependency management)

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📂 Project Structure

DigitalLibraryBookManagementSystem/
│── src/
│   ├── main/
│   │   ├── LibraryApplication.java   # Main application entry point (console-based)
│   ├── models/
│   │   ├── Book.java                 # Book entity model
│   ├── services/
│   │   ├── LibraryService.java       # Core business logic for book management
│   ├── test/
│   │   ├── LibraryServiceTest.java   # JUnit test cases
│── module-info.java                   # Java module system configuration

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🏗️ Setup & Installation

✅ Prerequisites

Ensure you have the following installed:

• Java JDK 11+ (Download JDK)

🔽 Clone the Repository

git clone https://github.com/yogananda222/DigitalLibraryBookManagementSystem.git
cd DigitalLibraryBookManagementSystem

🔨 Build the Project (if using Maven)

mvn clean install

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🎯 Running the Application

▶️ Option 1: Run from Command Line

1. Compile the Java files

   javac -d out src/main/*.java src/models/*.java src/services/*.java

2. Run the application

   java -cp out main.LibraryApplication

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▶️ Option 2: Run Using Maven

mvn exec:java -Dexec.mainClass="main.LibraryApplication"

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✅ Running Tests

To execute unit tests, run the following command:

mvn test

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👨‍💻 Contributors

• Yogananda Naidu – Developer

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