Java Console Shopping Application

This is a Java console-based shopping application that allows users to register, login, add products to their cart, view their cart, checkout, and view their order history.

Getting Started

To run the application, follow these steps:

1. Clone the repository.
2. Open the project in IntelliJ IDEA.
3. Run the Main class.

Usage

The application supports the following commands:

• LOGIN <email> <password>: Logs in the user with the specified email and password.
• REGISTER <name> <email> <password>: Creates a new user with the provided name, email, and password.
• ADD_TO_CART <productId> <quantity>: Adds the specified quantity of a product to the user's cart.
• VIEW_CART: Displays the current contents of the user's cart.
• CHECKOUT: Processes the checkout, finalizes the order, and clears the cart.
• GET_ORDER_HISTORY: Shows the user's order history.
• LOGOUT: Logs out the current user.
• EXIT: Exits the application.

Data Structure

The application uses the following data structures:

• User: Represents a user with a name, email, and password.
• Product: Represents a product with an ID, name, and price.
• Inventory: Represents an item in the cart, linking a product with a quantity.

Notes

• Users must be logged in to perform certain actions like adding items to the cart, checking out, viewing the cart, etc.
• Each user has their own cart and order history.

Feel free to explore and modify the code to fit your needs!