Java-Based Smart Inventory and Billing System

This project is a Java-based Smart Inventory and Billing System developed to automate product management and billing for small and medium-scale businesses.
The system uses Object-Oriented Programming (OOP) principles to ensure modularity, scalability, and clean design.

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Objective

The objective of this project is to:

• Automate the billing process
• Manage product inventory efficiently
• Reduce human errors in calculations
• Maintain accurate stock records
• Improve speed and reliability of transactions

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Features

• Inventory management (add, update, view products)
• Real-time stock updates after billing
• Smart low-stock alerts
• Automated bill generation
• Sales tax calculation
• Smart discount suggestions
• Console-based, menu-driven interface

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OOP Concepts Used

• Encapsulation
• Inheritance
• Polymorphism
• Abstraction (Interfaces)
• Collections Framework
• Modular class design

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Technologies Used

• Language: Java
• IDE: Eclipse / NetBeans / VS Code
• Concepts: OOP, Collections, Exception Handling

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How to Run

1. Navigate to the src directory.

2. Compile the project:

   javac com/smartretail/*.java
   

3. Run the program: java com.smartretail.Main

Project Structure

Java-Smart-Inventory-Billing-System │ ├── src │ └── com │ └── smartretail │ ├── Product.java │ ├── Electronics.java │ ├── InventoryManager.java │ ├── Billable.java │ ├── InvoiceItem.java │ ├── BillingSystem.java │ └── Main.java │ ├── README.md └── SMARTBILLING.docx

Authors

Pari Jindal (2401030147) Kopal Kashyap (2401030160) Malya Khajuria (2401030158)

Course

Java Programming Software Engineering Jaypee Institute of Information Technology, Noida