Food Delivery App

A Java-based food delivery application with Swing GUI that allows users to browse restaurants, add items to cart, and place orders.

Features

• User Authentication: Login and registration system with file-based storage
• Restaurant Browsing: View available restaurants and their menus
• Shopping Cart: Add/remove food items and view cart contents
• Order Placement: Place orders with bill generation saved to file

Project Structure

food-delivery-app/
├── main/
│   ├── LoginUI.java    # Login/Register interface
│   ├── AppUI.java      # Main application UI
│   └── Main.java       # Console-based version
├── model/
│   ├── FoodItem.java   # Food item model
│   ├── Restaurant.java # Restaurant model
│   ├── Cart.java       # Shopping cart logic
│   └── User.java       # User model
└── users.txt           # User credentials storage

Requirements

• Java JDK 8 or higher
• Swing (included with JDK)

How to Run

1. Compile all Java files:

javac main/*.java model/*.java

2. Run the login interface:

java main.LoginUI

Or run the console version:

java main.Main

Usage

1. Register: Create a new account by entering username and password
2. Login: Enter credentials to access the app
3. Browse: Select a restaurant to view menu items
4. Add to Cart: Enter item number to add to cart
5. View Cart: See selected items and total
6. Place Order: Confirm order and save bill to file

File Storage

• users.txt - Stores user credentials
• main/orders.txt - Stores placed orders and bills