• Define a class name engineClass that is used to create objects of engines. • The engine should has a data member horse_power , which is an integer o The engine should has a data member type , which is a string and stores the type information of the engine (e.g., diesel, gas, and electricity) o The engine should has a data member status , which is an integer that indicates whether the engine is running (1) or not (0) o Please define a member function operation , which accepts the user input to operate the engine (start or stop) by changing the value of status o Define a constructor that accepts user inputs for horse_power , type . The initial status should be 0 o Define a print member function that outputs the contents of the engine information (you can decide the format by yourself, but please include all the information stored in data members) • Define a class name vehicleClass that is used to create objects of vehicles vehicleclass should has a data member engine with the type engineClass vehicleclass should has another data member brand , which is a string o Define a constructor for vehicleClass , which should accept information from the user to build the data member engine and initialize the value brand o Define a print member function to print the contents of the vehicle information, it should also call the print function of data member engine

C++ Programming: From Problem Analysis to Program Design

8th Edition

ISBN:9781337102087

Author:D. S. Malik

Publisher:D. S. Malik

Chapter11: Inheritance And Composition

Section: Chapter Questions

Problem 5PE: Using classes, design an online address book to keep track of the names, addresses, phone numbers,...

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Transcribed Image Text:• Define a class name engineClass that is used to create objects of engines. o The engine should has a data member horse_power , which is an integer o The engine should has a data member type , which is a string and stores the type information of the engine (e.g., diesel, gas, and electricity) o The engine should has a data member status , which is an integer that indicates whether the engine is running (1) or not (0) O Please define a member function operation , which accepts the user input to operate the engine (start or stop) by changing the value of status o Define a constructor that accepts user inputs for horse_power, type . The initial status should be 0 o Define a print member function that outputs the contents of the engine information (you can decide the format by yourself, but please include all the information stored in data members) • Define a class name vehicleClass that is used to create objects of vehicles vehicleClass should has a data member engine with the type engineClass vehicleClass should has another data member brand , which is a string o Define a constructor for vehicleClass , which should accept information from the user to build the data member engine and initialize the value brand o Define a print member function to print the contents of the vehicle information, it should also call the print function of data member engine • In the main function, create two objects of vehcleClass with user inputs, and print their information using member function Hint 1. The constructor of vehcileClass should also call the constructor of engineClass . Check this link to see how to call the

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Step 1: code

#include<iostream>
using namespace std;
//Defining class engineClass
class engineClass
{
   public:
   //An integer variable horse_power to store the power of vehicle
    int horse_power;
    //A string variable type to store the type of engine eg:diesel,gas etc
    string type;
    //An integer variable used to indicate whether the engine is running or not
    int status;
    //Function to change the status of the engine
   void operation()
    {
        //Displaying the prperties of engine You can delete this line if you dont want to display it
        cout<<"Engine type = "<<type<<" Horse power = "<<horse_power<<endl;
        //If the sttus of engine is 1 then status is changed to 0 and "Engine stopped " is printed on screen
        if(status==1)
        
        {
             status=0;
           
           cout<<"Engine stopped\n";
        }
        //Else status is changed to 1 and a message "Engine is running is " is printed on screen
        else 
        {
            status=1;
         cout<<"Engine is running\n";
        
        
        }
    }

};
//Defining class vehicleClass
class vehicleClass 
{
    //An object of engineClass engine is created inside vehicleClass
    public:
    engineClass engine;
};
int main()
{
    //Creating 2 objects of vehicleClass
    vehicleClass vehicle1,vehicle2;
    //Setting the properties of vehicle1
    vehicle1.engine.type="Diesel";
    vehicle1.engine.horse_power=1200;
    vehicle1.engine.status=0;
    //Calling the function operation() in engine class 
     vehicle1.engine.operation();
     vehicle1.engine.operation();
     //Setting the properties of vehicle2
    vehicle2.engine.type="gas";
    vehicle2.engine.horse_power=950;
    vehicle1.engine.status=0;
    vehicle2.engine.operation();

     
    return 0;
}

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