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🏨 The Java Hotel Management System

This project involves creating a hotel management system in Java, simulating the process of checking in and out of a hotel, provided certain requirements are met. The project helps in improving your understanding of Java syntax and object-oriented programming (OOP) concepts.

Goal

Upgrade and improve your understanding of Java syntax through practice. Apply and understand object-oriented programming concepts in Java by creating and implementing methods and manipulating objects to simulate a hotel management system.

Skills

  • Create classes and define methods with Java.
  • Learn how to use getters and setters to access and modify object properties.
  • Practice using composition and delegation to create a hotel simulation system.
  • Use constructors to initialize objects with default and custom values.
  • Declare methods and use return values to perform specific tasks in your program.
  • Utilize loops to iterate over arrays and manipulate array elements.
  • Work with primitive and reference Java types and understand the differences between them.
  • Understand how to use enums.

Instructions

The task is to create a hotel management system with Java. The system should allow one or more people to check in and out of a hotel. Below is a general outline of the requirements:

  • A hotel can have rooms of type Single, Double, or Suite, all with different prices.
  • A hotel has many rooms available, and these rooms can eventually be occupied.
  • A hotel should be able to occupy or vacate its rooms.
  • A person can only check in to a hotel they’re not already staying at.
  • A person can only check in to a hotel that isn’t fully booked.
  • A person can only check out of a hotel that they’re staying at.
  • A person must have a way to identify themselves at this hotel (e.g., a hotel key or room number).
  • A person shouldn’t be able to check out of another person’s room accidentally.
  • A person must have a bank where they can keep track of their money to pay for the hotel. Financial activity should be handled by the bank, not the person directly.
  • A person must have sufficient funds in the bank to pay for their stay.
  • When checking in, a person must state whether they want a Single, Double, or Suite.

UML Diagram

The UML diagram below provides a structural overview of the classes involved:

UML Diagram

Requirements

  • Java Development Kit (JDK) 17 or above.
  • A Java IDE like IntelliJ IDEA, or any other of your choice.

Installation

Clone the repository and navigate to the folder.

git clone <repository-url>
cd <repository-folder>

Usage

To run the Java implementation of the hotel management system:

  1. Compile the Java files:
javac *.java
  1. Run the main class:
java Playground

Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

Please make sure to update tests as appropriate.