What do the keywords virtual and override do in C++?
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What do the keywords virtual and override do in C++?
Create a class called Student. It should have variables name, a dynamically allocated array
of grades (strings), and a RAM number assigned randomly (int between 1,000 and 9,999).
A. Create student1 in main and let the user put in 3 grades using functions from Student.
B. Create an array of 3 students and let them be instantiated to the default settings by
the default constructor.
C. Create a function/hack in your Student class called Doomsday (use a bool to trigger
it). If the function is called and the bool is set to 1, it should erase that objects information and
set it to 0, null, etc. Show Doomsday’ execution by example in main.
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- Create a class Employee with following data members, name, id, and salary as private datamember. Create array of objects for four employees, compare their salary using operatoroverloading, and display the records of the student who is getting less salary. by c++Write a C# program that uses a class called ClassRegistration as outlined below: The ClassRegistration class is responsible for keeping track of the student id numbers for students that register for a particular class. Each class has a maximum number of students that it can accommodate. Responsibilities of the ClassRegistration class: It is responsible for storing the student id numbers for a particular class (in an array of integers) It is responsible for adding new student id numbers to this list (returns boolean) It is responsible for checking if a student id is in the list (returns a boolean) It is responsible for getting a list of all students in the class (returns a string). It is responsible for returning the number of students registered for the class (returns an integer) It is responsible for returning the maximum number of students the class is allowed (returns an integer) It is responsible for returning the name of the class. (returns a string)Write a C#program that uses a class called ClassRegistration as outlined below: The ClassRegistration class is responsible for keeping track of the student id numbers for students that register for a particular class. Each class has a maximum number of students that it can accommodate. Responsibilities of the ClassRegistration class: It is responsible for storing the student id numbers for a particular class (in an array of integers) It is responsible for adding new student id numbers to this list (returns boolean) It is responsible for checking if a student id is in the list (returns a boolean) It is responsible for getting a list of all students in the class (returns a string). It is responsible for returning the number of students registered for the class (returns an integer) It is responsible for returning the maximum number of students the class is allowed (returns an integer) It is responsible for returning the name of the class. (returns a string) ClassRegistration -…
- Write a c++ program Class student contains roll number, name and course as data members and Input_student and display_student as member functions. Create a class exam and publicly inherit it from student class. The derived class contains an array of marks and no_of_subjects as data members, and input_marks and display_result as member functions. Overload “IN C++ In your previous class, move the member variables (student name and grades) as private. Create the proper functions to fill data in them. In main, create an instance of that array and fill that instance with data. Call the DisplayInfo() function from main so it prints the content of the object. A screenshot showing the code in Visual Studio and the output (on the console screen). previous activity class code:- #include <iostream>using namespace std;class student{ public: string Name; string grade[3]; void DisplayInfo() { cout<<"Student Name:"<<Name; cout<<"\nGrade:"<<grade[1]; }};int main(){ cout << "Welcome to my world..." << endl; system("pause"); student obj; obj.Name="Rahul"; obj.grade[1]="A++"; obj.DisplayInfo(); return 0;}This is question of c++ language. Create a class named as car with data members as carcompany,cost of car,number of airbags. Create a file and write the array of objects into file. Search the data by carcompanyfrom the stored file and displaythe result .
- In C++ Create a class called Pencil. Pencil has a type. Create another class called Customer. The customer class should have a ID number, array (using pointers) called purchases, and a Pencil variable. Make sure to create the purchases array in the constructor. Create a function to fill in purchase amount. Create a way to output all the information about a customer, including all the details about their type of pencil.For this assignment *c++ & no ifstream, you need to build a class that contains basic information about students and courses that have those students on the roster. You also need to build a menu that supports basic CRUD functionality for those courses. The requirements are as follows: The student class should contain the following data about a student: Name (dynamic char array) Classification (char) Major (dynamic char array) StudentId (can be an int or a dynamic char array) The course class should contain the following data about a course: Course Name (dynamic char array) Course Code (char array of size 7) Location (char array of size 10) Roster (dynamic student array) The menu program should act as a driver program that manages a dynamically allocated array of courses and allows the user to: Add a course to the list Add students to a course Update a course to change any of the data above including edits to students or adding/removing students from the roster List courses…Problem Write a C++ program that will display multiple-choice trivia questions, accept the user's answers, and provide a full key and a score at the end. Question class Design and implement a class called Question. The Question class contains the following information: a stem (the text of the trivia question), an array of 4 multiple choice answers (the text of each possible answer) the letter of the correct answer (A, B, C, or D), called the key. This class will be used to represent trivia questions in a trivia game. The following operations should be available for Question objects (use the provided names). Construct a Question with no values (use empty strings for stem and answers and ‘X’ for the key). Construct a Question given its 3 components (). setStem: Set the stem question. getStem : Return the stem question. setAnswers : Set the 4 answers given an array. The answers will NOT include the letter (A, B, C, or D). getAnswer(i) : Return the single answer at index i. setKey: Set…
- 1. Implement a Student class. a. Create a class Student with the following private data members: 1. name 2. exam_1 grade 3. exam_2 grade b. Create all appropriate accessor and mutator functions. c. Assign appropriate access modifiers to insure encapsulation. d. Add a private calcGPA() function that calculates and returns the GPA based upon the two exam grades. e. Add a public getGrade() function that: 1. Obtains the GPA from the private calcGPA() function. 2. Returns a letter grade based upon the numerical GPA value. 90 to 100 = A 80 to 90 = B 70 to 80 = C 60 to 70 = D 0 to 60 = F f. Test all functions from main. 2. Using the class from problem 1, replace main with the following: a. Implement a partially filled array of type Student named students of capacity 10. b. Implement a non-member addStudent() function that: 1. Creates a new student with data populated by input parameters. 2. Adds the new student to the students array. c. Implement a non-member output() function that: 1.…1. Implement a Student class. a. Create a class Student with the following private data members: 1. name 2. exam_1 grade 3. exam_2 grade b. Create all appropriate accessor and mutator functions. c. Assign appropriate access modifiers to insure encapsulation. d. Add a private calcGPA() function that calculates and returns the GPA based upon the two exam grades. e. Add a public getGrade() function that: 1. Obtains the GPA from the private calcGPA() function. 2. Returns a letter grade based upon the numerical GPA value. 90 to 100 = A 80 to 90 = B 70 to 80 = C 60 to 70 = D 0 to 60 = F f. Test all functions from main. 2. Using the class from problem 1, replace main with the following: a. Implement a partially filled array of type Student named students of capacity 10. b. Implement a non-member addStudent() function that: 1. Creates a new student with data populated by input parameters. 2. Adds the new student to the students array. c. Implement a non-member output() function that: 1.…Write c# equivalent statements for the following: There is a book library. Define classes respectively for a library. The library must contain a name and a list of books (use array). The books only contain author name as information. In the class, which describes the library, create methods to add a book to the library, to search for a book by a predefined author, and to delete a book from the library. Write a test class, which creates an object of type library, adds several books to it. Implement a test functionality, which finds all books authored by Stephen King and deletes them. Finally, display information for each of the remaining books.