?following C++ code #include #include using namespace std; class A { float d; public: ACO{ cout<<"Constructor of class A\n"; }; class B: public A { int a = 15; public: B){ cout<<"Constructor of class B\n"; }; int main(int argc, char const *argvO) { B b; return 0; }
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- The following class definitions and function definitions should be used to help you finish the exam. train.h: car.h: #ifndef CAR_H #define CAR_H using namespace std; class Car #include "car.h" using namespace std; #ifndef TRAIN_H #define TRAIN_H class Train { private: Car* tHead; Car* tTail; public: Train(); -Train(); void addcarBack(Car *); void deleteFirstcar(); void removeFirstcaróftype(const string &); { private: string name; double maxSpeed; public: Car* nextcar; public: car(); Car(string); double getMaxspeed () const; string getName() const; void setName(const string &); }; #endif // Display list car by car void display() const; }; #endif Part of train.cpp: // addcarBack logic: if (traincarsHead == 0) { traincarsHead = toAdd; traincarsTail = toAdd; else { traincarstail->nextcar = toAdd; traincarsTail = toAdd;clockType.h file provided //clockType.h, the specification file for the class clockType#ifndef H_ClockType#define H_ClockType class clockType {public: void setTime(int hours, int minutes, int seconds); //Function to set the time. //The time is set according to the parameters. //Postcondition: hr = hours; min = minutes; // sec = seconds // The function checks whether the values of // hours, minutes, and seconds are valid. If a // value is invalid, the default value 0 is // assigned. void getTime(int& hours, int& minutes, int& seconds) const; //Function to return the time. //Postcondition: hours = hr; minutes = min; // seconds = sec void printTime() const; //Function to print the time. //Postcondition: The time is printed in the form // hh:mm:ss. void incrementSeconds(); //Function to increment the time by one…C++ Friend function concepts Do not use operator overloading Create a class User with private member variables "id". In the class define a function increment_user_id() which will increment the id and return it as well. Create another method "void show_Id()" to show the id for a particular object. Create a constructor of User class where increment the Id by calling the increment_user_id() method for every new object . Finally create two objects of the class and print their corresponding id's on console.
- #include <iostream> using namespace std; class Product { private: double price; int weight; public: void info() { cout <<price<<", "<<weight; } }; class Fruit { public: string type; void setInfo(double p, int w) { price = p; weight = w; } }; int main() { Fruit obj; obj.type = "Apple"; obj.setInfo(4.99, 10); obj.info(); }oop using c++ please give me full answer thanks Write a Program that implements Base class calculator and a Derived class scientific calculator, The Derived class should take the basic operations i.e. add, divide, subtract from calculator. However it should have its own methods such as square root.Use C++ language Create a class called Fraction for performing arithmetic with fractions. Use integer variables to represent the private data of the class—the numerator and the denominator. Provide a constructor function that enables an object of this class to be initialized when it is declared. The constructor should contain default values in case no initializers are provided. Provide public member functions for each of the following: a) Addition of two Fraction numbers (included in the Frac.cpp as an example). b) Subtraction of two Fraction numbers. c) Multiplication of two Fraction numbers. d) Division of two Fraction numbers. e) Printing Fraction numbers in the form a/b where a is the numerator and b is the denominator. f) Printing Fraction numbers in double floating-point format.
- #include #include using namespace std; class Painting { public: //define the constructor }; int main() { string name; cin >> name; Painting painting(name); return 0; }Class Implementation Exercises EX1: Write a complete C++ program to implement a car class. The class has three attributes: Id, speed and color. Also, the class include the following methods: (setter) function, (getter) function, (default and parameterized constructor), and( print) to print the attributes values ➜ Create three objects in the main function then call the method. EX2: Write a complete C++ program to implement a student class. ➜ The class has three attributes:std-Id, Name and marks [3]. Also, the class include the following methods: (setter) function,(getter) functions (default and parameterized constructor), (average) and(print) to print the attributes values ➜ Create array of objects in the main function then call the method.C++ Define and implement a class named Movie with the following members: std::string name; float cost; bool signedByDirector; Movie(); Movie(std::string movietitle); std::string getName (); float getCost(); void setCost (float newCost); // Price is modified by signing (see description) // Change cost to newCost // Returns signedByDirector bool issigned (); void signMovie(); Ensure each variable and function has been set an appropriate access modifier and your header file includes a header guard. Your methodgetCost() should return cost, but if the Movie is signed, it should return the cost plus a markup of 20%. For example, if a movie was worth $100, getCost () should return 100. If the same movie was signed by the author, then getCost() should return 120. Note: This function should not modify the class member cost, instead it should use cost and signedByDirector to determine the actual cost/value of the Movie. Your default constructor should set the cost to 0, the title to "NO TITLE".…
- This is an object oriented programming question. The code must be in C++. Define a Class BOOK with the following specifications: Data Members: bookNo bookTitle price Member Functions: total_cost(int) A function to calculate the total cost for N no of copies where N is passed to function as argument. take_data( ) A function to input bookNo, bookTitle, price. purchase_info( ) A function to ask the user to input the number of copies to be purchased. It invokes total_cost( ) and prints the total cost paid by the user.Q No 3. #include <string> using namespace std; class Account { public: Account(string accountName, int initialBalance) { name=accountName; if (initialBalance > 0) { balance = initialBalance; } } void deposit(int depositAmount) { if (depositAmount > 0) { balance = balance + depositAmount; } } int getBalance() const { return balance; } void setName(string accountName) { name = accountName; } string getName() const { return name; } private: string name; int balance; }; Rewrite the following code in correct form. a) Assume the following prototype of destructor is declared in class Time: void ~Time(int); b) Assume the following prototype of constructor is declared in class Employee: int Employee(string, string);…C++ simple friend function.Create a C++ class called cube that calculates the volume of a cube. Use appropriate accessors (getters) and mutators (setters), constructors, etc. Your program must also include a friend function that will sum the volume of two cube class instances.Output the individual volumes of each of the two cube classes and then the total volume from the friend function. Example of friend funtion #include <iostream> using namespace std; class Box { double width; public: friend void printWidth( Box box ); void setWidth( double wid );}; // Member function definitionvoid Box::setWidth( double wid ) { width = wid;} // Note: printWidth() is not a member function of any class.void printWidth( Box box ) { /* Because printWidth() is a friend of Box, it can directly access any member of this class */ cout << "Width of box : " << box.width <<endl;} // Main function for the programint main() { Box box; // set box width…