Consider a class named CustomData. Which choice is a correct declaration syntax to overload the postfix ++ operator as a class member? CustomData operator++ (int); void operator++(CustomData); CustomData& operator++(); CustomData operator++(CustomData);
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- Using C# Language: Programming PLO 3 Measured: Create control structures, methods with the appropriate parameters, and data structures of the appropriate type, and implement algorithms to solve problems. Design a class named Contractor. The class should keep the following information: Contractor name Contractor number Contractor start date Write one or more constructors and the appropriate accessor and mutator functions for the class. Write another class named Subcontractor that is derived from the Contractor class. The Subcontractor class should have member variables to hold the following information: Shift (an integer) Hourly pay rate (a double) The work is divided between two shifts, a day shift, and a night shift. The shift variable will hold an integer value representing the shift that the subcontractor will work. The day shift is 1 and the night shift is 2. Write one or more constructors and the appropriate accessor functions for the class. Demonstrate the classes…C++ assigment: It's a Number Guesser assignment. It asks to write a derived class of the NumberGuesser class named RandomNumberGuesser. The derived class should override the behavior of the getCurrentGuess method. It may also add member data and its own constructor. It may also override the higher(), lower() and reset() methods as you see fit. This is the code for NumberGuesser class. It is defined entirely in-line in the following file: NumberGuesser.h // NumberGuesser.h // #ifndef NUMBERGUESSER_H #define NUMBERGUESSER_H #include <iostream> class NumberGuesser { protected: int low; int originalLow; int high; int originalHigh; public: NumberGuesser(int l, int h) { low = originalLow = l; high = originalHigh = h; } virtual int getCurrentGuess() { return (high + low) / 2; } virtual void higher() { low = getCurrentGuess() + 1; } virtual void lower() { high = getCurrentGuess() - 1; } virtual…C++ assigment: It's a Number Guesser assignment. It asks to write a derived class of the NumberGuesser class named RandomNumberGuesser. The derived class should override the behavior of the getCurrentGuess method. It may also add member data and its own constructor. It may also override the higher(), lower() and reset() methods as you see fit. This is the code for NumberGuesser class. It is defined entirely in-line in the following file: NumberGuesser.h // NumberGuesser.h // #ifndef NUMBERGUESSER_H #define NUMBERGUESSER_H #include <iostream> class NumberGuesser { protected: int low; int originalLow; int high; int originalHigh; public: NumberGuesser(int l, int h) { low = originalLow = l; high = originalHigh = h; } virtual int getCurrentGuess() { return (high + low) / 2; } virtual void higher() { low = getCurrentGuess() + 1; } virtual void lower() { high = getCurrentGuess() - 1; } virtual…
- In C++ Q1.) Write a Review class that has: • These private data members: • string user: ID of the user • string item: ID of the item • double paid: the price of the item that the user buys • double rating: the rating that the user gives to the item • string review: the review content that the user gives to the item • These public member functions: • A default constructor to set all instance variables to a default value • A parameterized constructor (i.e., a constructor with arguments) to set all instance variables • A method for getting/setting the instance variables. • A method for printing the Review's information.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.PROGRAMMING LANGUAGE: C++ Write a program that has a base class named FlightCrew. This class shouldhave three data members: an integer to store the ID of the crew member, aninteger to store the number of years of service and another integer to storethe total salary of the member. Provide a parameterized constructor in theclass to set the values of the data members.Derive a class Pilot from FlightCrew to contain two additional data members,an integer to store the number of hours of flight and a boolean to storewhether the Pilot has military experience or not. Provide a paramete rizedconstructor in the Pilot class. Provide a function bonus() in the class wherethe bonus of a pilot is his number of flight hours times the 10% of his salary.Likewise, provide a function isEligible() in the class to find out if the pilot iseligible for promotion or not. A pilot is eligible for promotion to the nextrank if he has at least 5 years of experience and the number of total flighthours is greater…
- C++ Create a Human class with the following features: Each Human needs a name, an age, and some phrase that they say. Each Human needs appropriate getters and setters for all attributes. For every interaction with this human, increment the age by 1 year. Default constructor with no arguments. Constructor that takes the name, age, and phrase arguments\ Create a driver to demonstrate all of the features of your Human class. The driver is the only class with main().The driver must create a dynamic array of Human Objects of some user-defined size. This requires prompting the user for a number of Humans to create.Be sure to iterate through your array of Humans. Interact with every Human object. Demonstrate ALL features of the Human class.C++ You may work on a single class. The parameter and return type s of each function and class member function should be decided in advance. The program will be best implemented as a multi-file program, (header file, the main program,..) Design a generic class to hold the following information about a bank account: Balance Number of deposits this month Number of withdrawals Annual Interest Rate Monthly service charges The class should have the following member function: Constructors Accepts arguments for the balance and annual interest rate. deposit a virtual function that accepts an argument for the amount of the deposit. The function should add the argument to the account balance. It should also increment the variable holding the number of deposits. withdraw a virtual function that accepts an argument for the amount of the withdrawal. The function should subtract the argument from the account balance. It should also increment the variable…PPM (Portable Pixmap) use three integers to represent a pixel – this means we can have images with RGB colors. You will create a Pixel class in C++ which has three attributes: red: int green: int blue: int You will create a default constructor that initializes those values to 255, and an overloaded constructor that takes user input to assign the values. The class will also have the following functions: changeRGB (): Takes in three integers to update the red, green, and blue attributes. Returns nothing. printRGB (): Takes in nothing. Prints the red, green, and blue attributes in order with a single space in-between each value. Returns nothing. You will then recreate the art program from Assignment 5 with the following changes: Instead of a 2D array of integers, you will create a 2D array of Pixel object. Don’t be scared! This is similar to creating a 2D array of strings. You will prompt for three color values instead of one – red, green, and blue. These must be stored in a Pixel…
- What is the difference between a friend function of a class and a member function of a class? (3)writte in c++ Write a Circle class that has the following member variables: • radius : a double • pi : a double initialized with the value 3.14159 The class should have the following member functions: • Default Constructor. A default constructor that sets radius to 0.0. • Constructor. Accepts the radius of the circle as an argument. • setRadius. A mutator function for the radius variable. • getRadius. An accessor function for the radius variable. • getArea. Returns the area of the circle, which is calculated as area = pi * radius * radius • getCircumference. Returns the circumference of the circle, which is calculated as circumference = 2 * pi * radiusC++ Program: Random Number Guesser. Write a derived class of the NumberGuesser class named RandomNumberGuesser. The derived class should override the behavior of the getCurrentGuess method. It may also add member data and its own constructor. It may also override the higher(), lower() and reset() methods as you see fit. To get everyone started off on the same page I have written a NumberGuesser class. It is defined entirely in-line in the following file: NumberGuesser.h (Links to an external site.) https://fog.ccsf.edu/~mluttrel/cs110b/NumberGuesser.h In the current NumberGuesser class the getCurrentGuess() method returns the midpoint of the range of possible values. In your RandomNumberGuesser class the getCurrentGuess() method should return a randomly generated number in the range of possible values. Note that repeated calls to getCurrentGuess() should always return the same value for both classes if neither the higher() or the lower() functions are called. Consider the…