In this lab, you create a derived class from a base class, and then use the derived class in a C++ program. The program should create two Motorcycle objects, and then set the Motorcycle’s speed, accelerate the Motorcycle object, and check its sidecar status. Instructions Ensure the file named Motorcycle.cppis open in your editor. Create the Motorcycle class by deriving it from the Vehicle class. Use a public derivation. In the Motorcycle class, create a private attribute named sidecar. The sidecar attribute should be data type bool. Write a public set method to set the value for sidecar. Write a public get method to retrieve the value of sidecar. Write a public accelerate() method. This method overrides the accelerate() method inherited from the Vehicle class. Change the message in the accelerate() method so the following is displayed when the Motorcycle tries to accelerate beyond its maximum speed: "This motorcycle cannot go that fast". Open the file named MyMotorcycleClassProgram.cpp. In the MyMotorcycleClassProgram, create two Motorcycle objects named motorcycleOne and motorcycleTwo. Set the sidecar value of motorcycleOne to true and the sidecar value of motorcycleTwo to false. Set motorcycleOne’s maximum speed to 90 and motorcycleTwo’s maximum speed to 85. Set motorcycleOne’s current speed to 65 and motorcycleTwo’s current speed to 60. Accelerate motorcycleOne by 30 mph, and accelerate motorcycleTwo by 20 mph. Print the current speed of motorcycleOne and motorcycleTwo. Determine if motorcycleOne and motorcycleTwo have sidecars. If yes, display the following: This motorcycle has a side car.If not, display the following: This motorcycle does not have a side car. Execute the program by clicking the Run button at the bottom of the screen. // Motorcycle.cpp #include "Vehicle.cpp" #include using namespace std; class Motorcycle:public Vehicle{ public: voidsetSidecar(bool); boolgetSidecar(); voidaccelerate(double); private: bool sidecar; }; voidMotorcycle::setSidecar(bool s){ sidecar=s; } boolMotorcycle::getSidecar(){ return sidecar; } voidMotorcycle::accelerate(double mph) { if(getSpeed() + mph using namespace std; int main() { Motorcycle motorcycleOne,motorcycleTwo; motorcycleOne.setSidecar(true); motorcycleTwo.setSidecar(false); motorcycleOne.setMaxSpeed(90); motorcycleTwo.setMaxSpeed(85); motorcycleOne.setSpeed(65); motorcycleTwo.setSpeed(60); motorcycleOne.accelerate(30); motorcycleTwo.accelerate(20); cout<<"MotorcycleOne speed:"<< motorcycleOne.getSpeed()<

In this lab, you create a derived class from a base class, and then use the derived class in a C++ program. The program should create two Motorcycle objects, and then set the Motorcycle’s speed, accelerate the Motorcycle object, and check its sidecar status. Instructions Ensure the file named Motorcycle.cppis open in your editor. Create the Motorcycle class by deriving it from the Vehicle class. Use a public derivation. In the Motorcycle class, create a private attribute named sidecar. The sidecar attribute should be data type bool. Write a public set method to set the value for sidecar. Write a public get method to retrieve the value of sidecar. Write a public accelerate() method. This method overrides the accelerate() method inherited from the Vehicle class. Change the message in the accelerate() method so the following is displayed when the Motorcycle tries to accelerate beyond its maximum speed: "This motorcycle cannot go that fast". Open the file named MyMotorcycleClassProgram.cpp. In the MyMotorcycleClassProgram, create two Motorcycle objects named motorcycleOne and motorcycleTwo. Set the sidecar value of motorcycleOne to true and the sidecar value of motorcycleTwo to false. Set motorcycleOne’s maximum speed to 90 and motorcycleTwo’s maximum speed to 85. Set motorcycleOne’s current speed to 65 and motorcycleTwo’s current speed to 60. Accelerate motorcycleOne by 30 mph, and accelerate motorcycleTwo by 20 mph. Print the current speed of motorcycleOne and motorcycleTwo. Determine if motorcycleOne and motorcycleTwo have sidecars. If yes, display the following: This motorcycle has a side car.If not, display the following: This motorcycle does not have a side car. Execute the program by clicking the Run button at the bottom of the screen. // Motorcycle.cpp #include "Vehicle.cpp" #include using namespace std; class Motorcycle:public Vehicle{ public: voidsetSidecar(bool); boolgetSidecar(); voidaccelerate(double); private: bool sidecar; }; voidMotorcycle::setSidecar(bool s){ sidecar=s; } boolMotorcycle::getSidecar(){ return sidecar; } voidMotorcycle::accelerate(double mph) { if(getSpeed() + mph using namespace std; int main() { Motorcycle motorcycleOne,motorcycleTwo; motorcycleOne.setSidecar(true); motorcycleTwo.setSidecar(false); motorcycleOne.setMaxSpeed(90); motorcycleTwo.setMaxSpeed(85); motorcycleOne.setSpeed(65); motorcycleTwo.setSpeed(60); motorcycleOne.accelerate(30); motorcycleTwo.accelerate(20); cout<<"MotorcycleOne speed:"<< motorcycleOne.getSpeed()<

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Instructions

Ensure the file named Motorcycle.cppis open in your editor.
Create the Motorcycle class by deriving it from the Vehicle class. Use a public derivation.
In the Motorcycle class, create a private attribute named sidecar. The sidecar attribute should be data type bool.
Write a public set method to set the value for sidecar.
Write a public get method to retrieve the value of sidecar.
Write a public accelerate() method. This method overrides the accelerate() method inherited from the Vehicle class. Change the message in the accelerate() method so the following is displayed when the Motorcycle tries to accelerate beyond its maximum speed: "This motorcycle cannot go that fast".
Open the file named MyMotorcycleClassProgram.cpp.
In the MyMotorcycleClassProgram, create two Motorcycle objects named motorcycleOne and motorcycleTwo.
Set the sidecar value of motorcycleOne to true and the sidecar value of motorcycleTwo to false.
Set motorcycleOne’s maximum speed to 90 and motorcycleTwo’s maximum speed to 85.
Set motorcycleOne’s current speed to 65 and motorcycleTwo’s current speed to 60.
Accelerate motorcycleOne by 30 mph, and accelerate motorcycleTwo by 20 mph.
Print the current speed of motorcycleOne and motorcycleTwo.
Determine if motorcycleOne and motorcycleTwo have sidecars. If yes, display the following: This motorcycle has a side car.If not, display the following: This motorcycle does not have a side car.
Execute the program by clicking the Run button at the bottom of the screen.

// Motorcycle.cpp

#include "Vehicle.cpp"

#include <iostream>

using namespace std;

class Motorcycle:public Vehicle{

public:

voidsetSidecar(bool);

boolgetSidecar();

voidaccelerate(double);

private:

bool sidecar;

};

voidMotorcycle::setSidecar(bool s){

sidecar=s;

}

boolMotorcycle::getSidecar(){

return sidecar;

}

voidMotorcycle::accelerate(double mph)

{

if(getSpeed() + mph <getMaxSpeed())

setSpeed(getSpeed() + mph);

else

cout << "This motorcycle cannot go that fast." << endl;

}

// This program uses the programmer-defined Motorcycle class.

#include "Motorcycle.cpp"

#include <iostream>

using namespace std;

int main()

{

Motorcycle motorcycleOne,motorcycleTwo;

motorcycleOne.setSidecar(true);

motorcycleTwo.setSidecar(false);

motorcycleOne.setMaxSpeed(90);

motorcycleTwo.setMaxSpeed(85);

motorcycleOne.setSpeed(65);

motorcycleTwo.setSpeed(60);

motorcycleOne.accelerate(30);

motorcycleTwo.accelerate(20);

cout<<"MotorcycleOne speed:"<< motorcycleOne.getSpeed()<<endl;

cout<<"MotorcycleTwo speed:"<< motorcycleTwo.getSpeed()<<endl;

if(motorcycleOne.getSidecar())

cout<<"MotorcycleOne has a sidecar"<<endl;

else

cout<<"MotorcycleOne does not have a sidecar"<<endl;

if(motorcycleTwo.getSidecar())

cout<<"MotorcycleTwo has a sidecar"<<endl;

else

cout<<"MotorcycleTwo does not have a sidecar"<<endl;

return0;

}

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