? int count; public: Category(string name, string code): name(name), code(code){} /* Implement the count function below. Consider the use of the function as depicted in main() */ ? /* Implement the add function which fills the category with contents below. Consider the use of the function as depicted in main() */ ?
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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:
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- class Vehicle { private: int wheels; protected : int passenger: public : void inputdata(int, int); void outputdata(); }; class Heavyvehicle : protected Vehicle { int diesel_petrol; protected : int load; public: void readdata(int, int); void writedata(); }; class Bus : private Heavyvehicle char make[20]; public : void fetchdata(char); void displaydata(); (1) Name the base class and derived class of the class Heavyvehicle. (ii) Name the data member(s) that can be accessed from function displaydata(). (iii) Name the data member's that can be accessed by an object of Bus class. (iv) Is the member function outputdata() accessible to the objects of Heavyvehicle class.public class Aircraft { // instance vairables private String aircraftName; private String regNumber; private String manufacturer; privateintmaxRange; privateintcrewSize; private LocalDate yearPutInService; privateintmaxServiceWeight; privateintnumberOfPassengers; privateintcurrentAirMiles; private LocalDate lastMaintenanceDate; privateintlastMaintenanceMiles; /** * Default Constructor * * @param lastMaintenanceMiles * @param lastMaintenanceDate * @param totalMiles * @param model * @param manufacturer * @param regNumber * @param vehicleType */ public Aircraft(String aircraftName, String regNumber, String manufacturer, intmaxRange, intcrewSize, LocalDate yearPutInService, int maxServiceWeight, int numberOfPassengers, int currentAirMiles, LocalDate lastMaintenanceDate, int lastMaintenanceMiles) { { this.aircraftName = aircraftName; this.regNumber = regNumber; this.manufacturer = manufacturer; this.maxRange = maxRange; this.crewSize = crewSize; this.yearPutInService = yearPutInService;…class Player { protected: string name; double weight; double height; public: Player(string n, double w, double h) { name = n; weight = w; height = h; } string getName() const { return name; } virtual void printStats() const = 0; }; class BasketballPlayer : public Player { private: int fieldgoals; int attempts; public: BasketballPlayer(string n, double w, double h, int fg, int a) : Player(n, w, h) { fieldgoals = fg; attempts = a; } void printStats() const { cout << name << endl; cout << "Weight: " << weight; cout << " Height: " << height << endl; cout << "FG: " << fieldgoals; cout << " attempts: " << attempts; cout << " Pct: " << (double) fieldgoals / attempts << endl; } }; a. What does = 0 after function printStats() do? b. Would the following line in main() compile: Player p; -- why or why not? c. Could…
- public class Book { protected String title; protected String author; protected String publisher; protected String publicationDate; public void setTitle(String userTitle) { title = userTitle; } public String getTitle() { return title; } public void setAuthor(String userAuthor) { author = userAuthor; } public String getAuthor(){ return author; } public void setPublisher(String userPublisher) { publisher = userPublisher; } public String getPublisher() { return publisher; } public void setPublicationDate(String userPublicationDate) { publicationDate = userPublicationDate; } public String getPublicationDate() { return publicationDate; } public void printInfo() { System.out.println("Book Information: "); System.out.println(" Book Title: " + title); System.out.println(" Author: " + author); System.out.println(" Publisher: " + publisher); System.out.println(" Publication…public class LabProgram { public static void main(String args[]) { Course course = new Course(); String first; // first name String last; // last name double gpa; // grade point average first = "Henry"; last = "Cabot"; gpa = 3.5; course.addStudent(new Student(first, last, gpa)); // Add 1st student first = "Brenda"; last = "Stern"; gpa = 2.0; course.addStudent(new Student(first, last, gpa)); // Add 2nd student first = "Jane"; last = "Flynn"; gpa = 3.9; course.addStudent(new Student(first, last, gpa)); // Add 3rd student first = "Lynda"; last = "Robison"; gpa = 3.2; course.addStudent(new Student(first, last, gpa)); // Add 4th student course.printRoster(); } } // Class representing a student public class Student { private String first; // first name private String last; // last name private double gpa; // grade point average…True or false ? Assuming class Quiz { public: void TakeIt ( ); }; Quiz cs2b_quiz; Quiz * p_quiz = & cs2b_quiz; The syntax to invoke TakeIt ( ) member function using the pointer is: p_quiz->TakeIt ( );
- Class Quiz public Quiz (int quesList, int quesMissed) {quesList = this.quesList;quesMissed = this.quesMissed;} private void calculate(){// get the point worth of each question and calculate final scorepointsPerQues = (100/quesList);scoreQuiz = quesList - quesMissed;} Class PassFailQuiz public PassFailQuiz (int quesList, int quesMissed, int scoreQuiz) { super(quesList, quesMissed);} How do I move scoreQuiz from private void calculate() to equal the third constructor value in PassFailQuiz?class Clock { public: Clock() : hourValue_(0), minuteValue_(0), secondValue_(0) {}; Clock(const int hourValue, const int minuteValue, const int secondValue) : hourValue_(hourValue), minuteValue_(minuteValue), secondValue_(secondValue) {}; virtual std::string ShowTime(void) = 0; virtual void SetTime(int hourValue, int minuteValue, int secondValue) = 0; int hourValue_; int minuteValue_; int secondValue_; int GetHour() { return hourValue_; }; int GetMinute() { return minuteValue_; }; int GetSecond() { return secondValue_; }; void SetHour(const int hourValue) { hourValue_ = hourValue; }; void SetMinute(const int minuteValue) { minuteValue_ = minuteValue; }; void SetSecond(const int secondValue) { secondValue_ = secondValue; };}; class DigitalClock final : public Clock { public: DigitalClock(const int hourValue, const int minuteValue, const int secondValue); virtual std::string ShowTime(void) override; virtual void SetTime(const int…object oriented programming using c++ class decleration: class MyPhoneBook{ string* names; string* phones; int phoneBookSize; public: MyPhoneBook(int); //Takes size MyPhoneBook(const MyPhoneBook&); //Copy Constructor bool addEntry(string ,string); bool displayEntryAtIndex(int); void displayEntryAtIndices(int*); void displayAll(); int* findByName(string); int* findByPhone(string); bool updateNameAt(string, int); bool updatePhoneAt(string, int); ~MyPhoneBook();};
- public class Person { private String personID; private String firstName; private String lastName; private String birthDate; private String address; public Person(){ personID = ""; firstName = ""; lastName = ""; birthDate = ""; address = ""; } public Person(String id, String first, String last, String birth, String add){ setPerson(id,first,last,birth,add); } public void setPerson(String id, String first, String last, String birth, String add){ personID = id; firstName = first; lastName = last; birthDate = birth; address = add; } public String getFirstName(){ return firstName; } public String getLastName(){ return lastName; } public String getBirthdate(){ return birthDate; } public String getAddress(){ return address; } public void print(){ System.out.print("\nPerson ID = " + personID); System.out.print("\nFirst Name = " +firstName); System.out.print("\nLast Name = " +lastName); System.out.print("\nBirth Date = " +birthDate); System.out.print("\nAddress = " +address); } public String…Program: File GamePurse.h: class GamePurse { // data int purseAmount; public: // public functions GamePurse(int); void Win(int); void Loose(int); int GetAmount(); }; File GamePurse.cpp: #include "GamePurse.h" // constructor initilaizes the purseAmount variable GamePurse::GamePurse(int amount){ purseAmount = amount; } // function definations // add a winning amount to the purseAmount void GamePurse:: Win(int amount){ purseAmount+= amount; } // deduct an amount from the purseAmount. void GamePurse:: Loose(int amount){ purseAmount-= amount; } // return the value of purseAmount. int GamePurse::GetAmount(){ return purseAmount; } File main.cpp: // include necessary header files #include <stdlib.h> #include "GamePurse.h" #include<iostream> #include<time.h> using namespace std; int main(){ // create the object of GamePurse class GamePurse dice(100); int amt=1; // seed the random generator srand(time(0)); // to play the…public class Person { private String personID; private String firstName; private String lastName; private String birthDate; private String address; public Person(){ personID = ""; firstName = ""; lastName = ""; birthDate = ""; address = ""; } public Person(String id, String first, String last, String birth, String add){ setPerson(id,first,last,birth,add); } public void setPerson(String id, String first, String last, String birth, String add){ personID = id; firstName = first; lastName = last; birthDate = birth; address = add; } public String getFirstName(){ return firstName; } public String getLastName(){ return lastName; } public String getBirthdate(){ return birthDate; } public String getAddress(){ return address; } public void print(){ System.out.print("\nPerson ID = " + personID); System.out.print("\nFirst Name = " +firstName); System.out.print("\nLast Name = " +lastName); System.out.print("\nBirth Date = " +birthDate); System.out.print("\nAddress = " +address); } public String…