h the same name, excess the function using pointer and virtual functions using c++
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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:
create a base class and derive classes all having functions with the same name, excess the function using pointer and virtual functions using c++
Step by step
Solved in 2 steps
- How should a software call a base class virtual function so that it may make use of the same virtual function in a variety of different forms and structures? A base class pointer or reference is required.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 C++ language with well explaination. After performing this program. Implement this program using an abstract class.Create a class in C++ called ADDITION has one integer and one float data member. Use pointer to data member to find their sum and print it from main method and also use the concept of dynamic constructor.
- using pointers or references to base classes to access virtual functions throughout a program's many implementations.accessing virtual functions in different implementations of a program by pointing or referring to the base classes they are defined in.How do function objects enable functional compositions, aiding in more readable and maintainable code?
- IN C++ To gain a better understanding of polymorphic and virtual functions start with the following simple example. Notice we have not defined a virtual function yet. // Part1.h. Note, this header file will have TWO classes declared.#include <iostream>using namespace std;class Base{public:void testFunction ();};class Derived : public Base{public:void testFunction ();};// Part1.cpp. Note this implementation file will have TWO class defined.#include "Part1.h"void Base::testFunction (){cout << "Base class" << endl;}void Derived::testFunction (){cout << "Derived class" << endl;}// main.cpp #include "Part1.h"int main(){Base* ptr = new Base;ptr -> testFunction (); // prints "Base class"delete ptr;ptr = new Derived;ptr -> testFunction (); // prints "Base class" because the base class // function is not virtualdelete ptr;return 0;} Now modify the code with the following (all other code should remain the same). class Base{public:virtual void testFunction…in c++ To gain a better understanding of polymorphic and virtual functions start with the following simple example. Notice we have not defined a virtual function yet. // Part1.h. Note, this header file will have TWO classes declared.#include <iostream>using namespace std;class Base{public:void testFunction ();};class Derived : public Base{public:void testFunction ();};// Part1.cpp. Note this implementation file will have TWO class defined.#include "Part1.h"void Base::testFunction (){cout << "Base class" << endl;}void Derived::testFunction (){cout << "Derived class" << endl;}// main.cpp #include "Part1.h"int main(){Base* ptr = new Base;ptr -> testFunction (); // prints "Base class"delete ptr;ptr = new Derived;ptr -> testFunction (); // prints "Base class" because the base class // function is not virtualdelete ptr;return 0;} Now modify the code with the following (all other code should remain the same). class Base{public:virtual void testFunction…How should a software utilize pointers or references from the base class to invoke the same virtual function so that it may be used in different data types?
- How can code use pointers or references from the base class to execute the same virtual function so that it may be utilised across multiple data types?What are Abstract Base Classes and Pure Virtual Functions?IN C++ Demonstrate overriding and overloading functions using the class you built in previous activities. Explain your work by commenting your class. Submit a screenshot showing the output of a class that has overloading and overriding functions.