// Class Diagram for Breakdown Service System

// Class: Car class Car { - model: String - year: int - registrationNumber: String + getCarInfo(): String }

// Class: OnBoardSystem class OnBoardSystem { - currentLocation: String + contactBreakdownService(service: BreakdownService, car: Car, numberOfPassengers: int): void }

// Class: BreakdownService class BreakdownService { + findNearestGarage(): void + findNearestHotel(): void + sendInfoToService(car: Car, numberOfPassengers: int): void }

// Class: Garage class Garage { - location: String + provideOffer(): Offer }

// Class: Hotel class Hotel { - location: String + provideOffer(): Offer }

// Class: Offer class Offer { - estimatedCost: double + getCost(): double }

// Class: Client class Client { - numberOfPassengers: int + requestService(system: OnBoardSystem, car: Car): void }

// Relationships Car "1" --> "1" OnBoardSystem : getCarInfo() OnBoardSystem "1" --> "1" BreakdownService : contactBreakdownService() BreakdownService "1" --> "1" Garage : findNearestGarage() BreakdownService "1" --> "1" Hotel : findNearestHotel() Garage "1" --> "1" Offer : provideOffer() Hotel "1" --> "1" Offer : provideOffer() Client "1" --> "1" OnBoardSystem : requestService() BreakdownService "1" --> "1" Offer : getOffers()