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- In c++ Make the print function in the petRecord class virtual. Create a new main that creates a PetRecord pointer, then asks the user if they want a cat, dog or bird, and creates the appropriate pet type at the pointer (use the keyword new and the default constructor). Print its’ information using the print function, including the information specific to that pet type (works due to polymorphism). Finally, delete the object at the pointer. NOTE: Answer only if you know this answer otherwise I wil downvote also don't copy from other platforms ThankyouINSTRUCTIONS: In this assignment, you will make your own smart pointer type. You will write the following class to develop a referenced counted smart pointer. You will also implement a few other member functions to resemble the functionality of an ordinary raw pointer. Basically, this is a problem of designing a single, non-trivial class and overloading a few pointer related operators. You may not use any of the STLs except for stdexcept, to do this, i.e., please dont try and use a shared_ptr to implement the class. You can start with this code, and you may add other member functions, if you want. C++ LANGUAGE Only need smart_ptr.h file.Write a c++ program by creating a class for handling 3D coordinates (x,y,z) of type integer. Write down allpossible constructors for initialization and copying. By default (x=y=z=0), at the time ofinitialization the user may omit any axis, should be considered as 0. Write the member functionsto perform the addition and subtraction operations between two objects. (Use the pointers tohandle the objects and use references while passing them between functions).
- Create parent class Shapes with protected parameters width and height and function printarea() and a virtual function cal_area(). Create two sub classes Rectangle and Sqaure. In main() create 2 pointers of Shapes and assign Rectangle and Square to it. Call printarea function with the pointers. Note: use OOP C++: A designer in 3D graphics company wants to design a matrix as a two-dimensional array. The size of 2D array could be the last two digit of arid number. Initially he creates a class matrix that provides the member function to check that no array index is out of bounds. Make the member data in the matrix class a 10-by-10 array. A constructor should allow the programmer to specify the actual dimensions of the matrix (provided they’re less than 10 by 10). The member functions that access data in the matrix will now need two index numbers: one for each dimension of the array. Here’s what a fragment of a main() program that operates on such a class might look like: If my Arid Number is 20-Arid-254 then: // in case of zero consider next digit matrix m1(5, 4); // define a matrix object int temp = 12345; // define an int value m1.put(3, 4, temp); // insert value of temp into matrix at 3,4 temp = m1.get(3, 4); // obtain value from matrix at 3,4This question was already answered which was incorrect.Please use pointers In c++ Make the print function in the petRecord class virtual. Create a new main that creates a PetRecord pointer, then asks the user if they want a cat, dog or bird, and creates the appropriate pet type at the pointer (use the keyword new and the default constructor). Print its’ information using the print function, including the information specific to that pet type (works due to polymorphism). Finally, delete the object at the pointer. NOTE: Answer only if you know this answer otherwise I wil downvote also don't copy from other platforms Thankyou
- A(n)_ is a class that only has pure virtual functions. Fill in the blanks with your response.PROGRAMMING LANGUAGE :C++ QUESTION; You need to store hiring date and date of birth for Managers and Employees. You need to create a Date class for this purpose. Create objects of Date class in Manager and Employee classes to store respective dates. You need to write print function in Manager and Employee classes as well to print all information of Managers and Employees. You need to perform composition to implement this task. Create objects of Manager and Employee classes in main function and call print function for both objects. ______________________________________________________________ note : print the specific part of code in following ... Print Date class here: Print updated Manager class here: Print updated Employee class here: Print main function here:A(n)_ is a class that only contains virtual functions that are pure virtual. Fill in the blanks with your answer to this question.
- In C++, write a Employee class with id, name and salary; declare 3 dynamic objects (pointer and new keywords) and push them to the vector and print the vector.Create a class named Line: (a) Define private data members p1 and p2 as pointer to Point objects (the one we had in lectures), slope and length as double variables. (b) Define setter and getter functions. (c) Define a null-constructor that initializes numeric variables with zero and allocate dynamic memory for points and initialize them to [0,0] as well. (d) Overload a constructor that allocates memory for points, initilize them with given arguments, and calculate the slope and length. (e) Implement destructor, copy constructor and copy assignment operator. (f) Create a function called ”parallel” that takes too Line objects, returns true when given lines are parallel and returns false otherwise. (g) Overload the less than (<) and greater than (>) and equality (==) operators (compare the length). (h) Write a functions that reads lines in the format provided in the lines.txt from the file (without any change) and stores them in a vector named Lines. (i) Sort the objects of Lines…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.…