🏨 Hotel Reservation System

A console-based Hotel Reservation System built using Core Java and OOP concepts.
This project simulates real hotel booking operations including room management, customer reservations, billing, and admin controls.

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🚀 Features

🛏️ Room Management

• Multiple room categories (Single, Double, Suite)
• Room availability tracking
• Admin can add new rooms

📅 Booking System

• Customer check-in and check-out dates
• Automatic stay duration calculation
• Date validation:
  • Check-in cannot be in the past
  • Check-out must be after check-in

💰 Billing System

• Price per night calculation
• Total bill based on number of days
• Formatted receipt generation

🔍 Room Search

• Search available rooms by category
• Search rooms under a given price

👤 Customer Handling

• Store customer name and phone number
• Link customer with reservation

🔐 Admin Panel

• Secure admin login
• Add rooms dynamically
• View all reservations

⚙ System Features

• Menu-driven console interface
• OOP-based design
• Exception handling
• Real-world hotel workflow simulation

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🧱 Technologies Used

• Java
• OOP (Encapsulation, Classes, Objects)
• ArrayList
• LocalDate API
• Scanner for user input

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📂 Project Structure

Hotel Reservation System
│
├── Room.java
├── Customer.java
├── Reservation.java
├── HotelService.java
└── Main.java

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🖥️ How to Run

1. Open project in any Java IDE (IntelliJ, Eclipse, VS Code)
2. Compile all files
3. Run Main.java
4. Use the menu options to:
   • Book rooms
   • Search rooms
   • Access admin panel

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🔑 Default Admin Credentials

Username: admin
Password: 1234

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🧮 Concepts Demonstrated

• Object-Oriented Programming
• Class interaction
• Date & time handling
• Business logic implementation
• Real-world system modeling