#include #include #include using namespace std; class Vehicle; class Honda; class Civic; class Vessel; class CD150; class Vehicle{ public: string VModel; string VColor; int NOfDoors; int NOfTires; public: Vehicle(){ VModel = '\0'; VColor = '\0'; NOfDoors = 0; NOfTires = 0; } int SpeedPerMile(int speed){ cout << "\nThe speed per mile of the car is : " << speed << endl; } void BrakeSystem(string brakes){ cout << "\nThe Brake System of the Vehicle is " << brakes << endl; } }; //Honda Class class Honda:public Vehicle{ private: string ChassasNo; public: Honda(){ ChassasNo = '\0'; } // sharing ChassesNo with these classes friend class Civic; friend class Vessel; friend class CD150; }; class Civic:public Honda{ public: int height; int width; Civic(){ height = 0; width = 0; } // Friend Class Concept void getChassesNo(Honda h,string Ch){ string str = Ch; reverse(str.begin(), str.end()); h.ChassasNo = str; cout << "\nChassesNo :" << h.ChassasNo << endl; } friend void GetData(Civic,Vessel,CD150); friend void DisplayData(Civic,Vessel,CD150); }; class Vessel:public Honda{ public: int height; int width; Vessel(){ height = 0; width = 0; } void getChassesNo(Honda h,string Ch){ string str = Ch; reverse(str.begin(), str.end()); h.ChassasNo = str; h.ChassasNo = Ch; cout << "\nChassesNo :" << h.ChassasNo << endl; } friend void GetData(Civic,Vessel,CD150); friend void DisplayData(Civic,Vessel,CD150); }; class CD150:public Honda{ public: int height; int width; CD150(){ height = 0; width = 0; } void getChassesNo(Honda h ,string Ch){ string str = Ch; reverse(str.begin(), str.end()); h.ChassasNo = str; h.ChassasNo = Ch; cout << "\nChassesNo :" << h.ChassasNo << endl; } friend void GetData(Civic,Vessel,CD150); friend void DisplayData(Civic,Vessel,CD150); }; void GetData(Civic *c,Vessel *v ,CD150 *CD){ // Collect our Data for Civic Vehicle cout << "\nEnter data for Civic vehicle\n"; cout << " What is the Vehicle Model : "; cin >> c->VModel; cout << "\n What is Vehicle colour : "; cin >> c->VColor; cout << "\n How many No of Doors In the Car : "; cin >> c->NOfDoors; cout << "\n How many No of Tires In the Car : "; cin >> c->NOfTires; cout << "\n What is the Height of your Civic : "; cin >> c->height; cout << "\n What is the width of your Civic : "; cin >> c->width; // Collect our Data for Vessel Vehicle cout << "\nEnter data for Vessel vehicle\n"; cout << "\n What is the Vehicle Model : "; cin >> v->VModel; cout << "\n What is Vehicle colour : "; cin >> v->VColor; cout << "\n How many No of Doors In the Car : "; cin >> v->NOfDoors; cout << "\n How many No of Tires In the Car : "; cin >> v->NOfTires; cout << "\n What is the Height of your Vessel : "; cin >> v->height; cout << "\n What is the width of your Vessel : "; cin >> v->width; // Collect our Data for CD150 Vehicle cout << "\nEnter data for CD150 vehicle\n"; cout << "\n What is the Vehicle Model : "; cin >> CD->VModel; cout << "\n What is Vehicle colour : "; cin >> CD->VColor; cout << "\n How many No of Doors In the Car : "; cin >> CD->NOfDoors; cout << "\n How many No of Tires In the Car : "; cin >> CD->NOfTires; cout << "\n What is the Height of your CD150 : "; cin >> CD->height; cout << "\n What is the width of your CD150 : "; cin >> CD->width; } string DisplayData(Civic *c,Vessel *v ,CD150 *CD){ //Data For civic cout << "\n\nData for Civic\n"; cout << "\n Vehicle Model : " << c->VModel ; cout << "\n Vehicle colour : " << c->VColor;; cout << "\n No of Doors : " << c->NOfDoors; cout << "\n No of Tires : " << c->NOfTires; cout << "\n Height : " << c->height; cout << "\n With : " << c->width; cout << "\n\nData for Vessel\n"; cout << "\n Vehicle Model : " << v->VModel ; cout << "\n Vehicle colour : " << v->VColor;; cout << "\n No of Doors : " << v->NOfDoors; cout << "\n No of Tires : " << v->NOfTires; cout << "\n Height : " << v->height; cout << "\n With : " << v->width; cout << "\n\nData for CD150\n"; cout << "\n Vehicle Model : " << CD->VModel ; cout << "\n Vehicle colour : " << CD->VColor;; cout << "\n No of Doors : " << CD->NOfDoors; cout << "\n No of Tires : " << CD->NOfTires; cout << "\n Height : " << CD->height; cout << "\n Witdh : " << CD->width; } int main(){ // Intiallizing Objects of classes Vehicle v[1]; Honda h[1]; Civic c[1]; Vessel ve[1]; CD150 cd[1]; //Store Data In this Array for(int i = 0; i < 2 ; i++){ //Get data Function GetData(&c[i],&ve[i],&cd[i]); //Display Data Function DisplayData(&c[i],&ve[i],&cd[i]); //Setting Up Civic Class c[i].getChassesNo(h[i],"civic25"); //Vessel Class ve[i].getChassesNo(h[i],"vz567"); //CD150 Class cd[i].getChassesNo(h[i],"cd689"); //Somw Details of main Vehicle Class v[i].SpeedPerMile(200); v[i].BrakeSystem("Genuine Brakes"); cout << v[i].NOfTires; } }

Car Management System with Friend Function and Friend Classes