E-Commerce System

This is a simple console-based e-commerce system built in Java. It demonstrates the basic structure of an e-commerce application, including managing products, customers, a shopping cart, placing orders, and processing payments.

Features

• Product Management: Add products with details like product ID, name, price, and category.
• Shopping Cart: Add or remove products from the shopping cart, view the cart contents, and calculate the total price of the products in the cart.
• Order Placement: Place an order for a customer using the products in the cart and add it to the customer's order history.
• Payment Processing: Process payment for the placed order using a specified payment method.
• Order History: View the customer's previous orders.

Classes Overview

Product

Represents an individual product in the system.

• Attributes:
  • int productId
  • String name
  • double price
  • String category
• Methods:
  • void displayProductDetails(): Displays details about the product.

Customer

Represents a customer in the system.

• Attributes:
  • String name
  • String email
  • List<Order> orderHistory: A list of all the customer's past orders.
• Methods:
  • void viewOrderHistory(): Displays the customer's order history.
  • void addOrderToHistory(Order order): Adds an order to the customer's history.

ShoppingCart

Represents a shopping cart that holds products for the customer.

• Attributes:
  • List<Product> products: A list of products in the cart.
• Methods:
  • void addToCart(Product product): Adds a product to the cart.
  • void removeFromCart(Product product): Removes a product from the cart.
  • double calculateTotal(): Calculates and returns the total price of all products in the cart.
  • void displayCartContents(): Displays all products in the cart.

Order

Represents an order made by the customer.

• Attributes:
  • Customer customer
  • ShoppingCart cart
• Methods:
  • void placeOrder(): Places the order for the customer and adds it to the customer's order history.

Payment

Represents the payment process for an order.

• Attributes:
  • double amount: The total amount for the order.
  • String paymentMethod: The payment method (e.g., Credit Card, PayPal).
• Methods:
  • void processPayment(Order order): Processes the payment for the order.

How to Run

1. Clone the repository:

   git clone https://github.com/your-username/ecommerce-system-java.git