1. A___________is a special member function used to initialize the data members of a class.
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OOPs
In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.
Constructor
The easiest way to think of a constructor in object-oriented programming (OOP) languages is:
1. A___________is a special member function used to initialize the data members of a class.
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- Design a class called Bird that includes three pieces of information as data members-name (type string), species (type string) and a sizeInInches (type int).Define virtual function getCageSize ().Your class should have a constructor that initializes the three data members. Provide setter and getter function for each data member.Overload the virtual function of inherited class. Write a main part which creates the Bird class and a derived class Vulture.C++ : Define a new class Fighter that inherits from the Spaceship class below. - Add a private member variable: int firePower; - Create a default constructor which initializes firePower to 10 and initializes name to "X-wing" - Create a member function in Fighter void warp(). This function should increase position by 10, and decrease health by 5. - Redefine function wasHit(). Instead of decrementing health by 5, decrement it by 2. class Spaceship { protected: string name; int health; int position; public: Spaceship() { name = ""; health = 100; position = 0; } void moveLeft() { position--; } void moveRight() { position++; } void wasHit() { health -= 5; } };Create a class Person with data member Name, age, address and citizenship number. Write a constructor to initialize the value of a person. Assign citizenship number if the age of the person is greater than 16 otherwise assign value zero to citizenship number. Also create a function to display the values.
- 3.10 (Invoice Class) Create a class called Invoice that a hardware store might use to represent an invoice for an item sold at the store. An Invoice should include four data members —a part number (type string ), a part description (type string ), a quantity of the item being purchased (type int ) and a price amount exceeded per item (type int). Your class should have a constructor that initializes the four data members. Provide a set and a get function for each data member. In addition, provide a member function named getInvoiceAmount that calculates the invoice amount (i.e., multiplies the quantity by the price per item), then returns the amount as an int value. If the quantity is not positive, it should be set to 0 . If the price per item is not positive, it should be set to 0 . Write a test program that demonstrates class Invoice ’s capabilities.Objective Create a base class named Circle with data members and functions related to circles and a derived class named Cylinder with data members and functions related to cylinders. There are no extra .h or .cpp needed for this assignment. Create a program named LastnameFirstname21.cpp, that does the following: Note: There is no user input for this program. Define a symbolic constant named PI with the value 3.1415926. Use this symbolic constant when dealing with calculations involving PI. Define a base class named Circle for storing the radius and calculating the area of a circle. Circle class contains the following: 1 protected double data member for the radius. 1 default constructor that creates a circle with radius 1. 1 overloaded constructor with a parameter that creates a circle with a given radius. 1 accessor function named getRadius for the radius. 1 mutator function named setRadius for the radius. 1 member function named area that calculates and returns the area of…Create a base class called shape. Use this class to store two double type values that could be used to compute the area of figures. Derive two specific classes called triangle and rectangle from the base shape. Add to base class, a member function get_data() to initialize base class data members and another member functions display_area() to compute and display the area of figures. Mark the display_area(as a virtual function and redefine this function in the derived class to suit their requirements.(Use pure virtual function)
- Below is some code for a rectangle class that needs to be completed. Add member function declarations to the class declaration and member function definitions below the declaration. For the accessor functions, you can add the definitions directly into the class declaration. The goal is to code the class so that it works wthout changing the main program #include <iostream>using namespace std; // rectangle has a vertical height and horizontal width// The class below is a rectangle. It has two private// data members: height and width.// TODO: Complete the class declaration and definition.class rectangle {public:// TODO: declare a default constructor// Make the height and width = 1. // TODO: declare member function void add// @param int height, int width // TODO: delcare member function void set// @param int height, int width // TODO: declare member function void draw // TODO: define accessor for width // TODO: define accessor for height private:int width;int height;}; // TODO:…C++ Q2. Write a program which has an abstract class called Number having an integer data member. The class contains a pure virtual function called operation. A class called Armstrong is derived from class called Number. Another class called Palindrome is derived from class Number. Use appropriate constructors and redefine the function called operation to display if the number is Armstrong number as well as Palindrome in case it falls in this category. You may make use of other data members and member functions if needed.Assume the existence of a Phone class.Define a derived class named CameraPhone that contains two member variables: An int named imageSize that contains the umber of megabytes that a picture uses on the phone. An int named memorySize that contains the number of megabytes in the camera's memory. Write the following member functions in the CameraPhone class: A constructor that accepts two int arguments. The first argument should be assigned to the imageSize member, and the second argument should be assigned to the memorySize argument. A member function named numPictures that returns (as an int) the number of pictures the camera's memory can hold.
- 7. PersonData and CustomerData classesDesign a class named PersonData with the following member variables:lastNamefirstNameaddresscitystatezipphoneWrite the appropriate accessor and mutator functions for these member variables. Next, design a class named CustomerData, which is derived from the PersonData class. The CustomerData class should have the following member variables:customerNumbermailingListThe customerNumber variable will be used to hold a unique integer for each customer. The mailingList variable should be a bool. It will be set to true if the customer wishes to be on a mailing list, or false if the customer does not wish to be on a mail- ing list. Write appropriate accessor and mutator functions for these member variables. Demonstrate an object of the CustomerData class in a simple program.Create a class Person with data members Name, Age and Address. Create another class Teacher with data members Qualification and Department. Also create another class Student with data member Program and Semester. Both classes are inherited from the class Person. Every class has at least one constructor which uses base class constructor. Create member function Show Data () in each to display the information of the class. C++Using C++ 11 Design a class called NumDays. The class’s purpose is to store a value that represents a number of work hours and converts it to a number of days. For example, 8 hours would be converted to 1 day. 12 hours would be converted to 1.5 days, and 18 hours would be converted to 2.25 days. The class should have a constructor that accepts a member of hours, as well as member functions for storing and retrieving the hours and days. The class should also have the following overloaded operators: + Addition operator. When two NumDays objects are added together, the overloaded + operator should return the sum of the two objects’ hours members. - Subtraction operator. When one NumDays object is subtracted from another, the overloaded – operator should return the difference of the two objects’ hours members. ++ Prefix and postfix increment operators. These operators should increment the number of hours stored in the object. When incremented, the number of days…