Shopping Application

This is a basic shopping application that allows users to purchase products from different sellers. The application is implemented in Java and uses several object-oriented programming concepts to organize its classes and data.

Classes

The application has the following classes:

• Buyer: An abstract class that represents a buyer. It is extended by the PremiumBuyer and RegularBuyer classes.

• Seller: An abstract class that represents a seller. It is extended by the PremiumSeller and RegularSeller classes.

• Product: A class that represents a product. It contains information such as the product name, description, price, and seller.

• Cart: A class that represents a user's shopping cart. It contains a list of products that the user has added to their cart.

• User: A class that represents a user. It contains information such as the user's name, address.

Enums

The application has the following enums:

• PaymentMethod: An enum that represents a payment method. It contains values such as "CreditCard" and "CashOnDelivery".

• UserType: An enum that represents a user type. It contains values such as "Premium" and "Regular".

Usage

To use the application, follow these steps:

1. Clone the repository to your local machine.

2. Open the project in your favorite IDE or text editor.

3. Build the project and run the Main class.

4. Once the application is running, you can use the following menu options to browse and purchase products:

• Add to cart: Allows you to add a product to your shopping cart.

• Remove from cart: Allows you to remove a product from your shopping cart.

• Checkout: Allows you to checkout your shopping cart and make a payment.

5. Follow the prompts and input the necessary information to complete your selected transaction.

Contributing

If you would like to contribute to the development of this application, feel free to fork the repository and submit a pull request with your changes.