C++ Program to find Mean Value of number using Friend function

Mean Value of number using Friend function


Write a C++ Program to find Mean Value of number using Friend function. Here’s a Simple C++ Program to find Mean Value of number using Friend function in C++ Programming Language.


What is Class and Objects in C++?


  • Class is a user defined data type, which holds its own data members and member functions, which can be accessed and used by creating instance of that class.
  • The variables inside class definition are called as data members and the functions are called member functions.
  • Class is just a blue print, which declares and defines characteristics and behavior, namely data members and member functions respectively. And all objects of this class will share these characteristics and behavior.

  • Objects are instances of class, which holds the data variables declared in class and the member functions work on these class objects.
  • Each object has different data variables. Objects are initialized using special class functions called Constructors.

Below is the source code for C++ Program to find Mean Value of number using Friend function which is successfully compiled and run on Windows System to produce desired output as shown below :


SOURCE CODE : :


/*  C++ Program to find Mean Value of number using Friend function  */

#include<iostream>
using namespace std;

class  base
{
    int val1,val2;

   public:
        void get()
        {
           cout<<"\nEnter 1st value :: ";
           cin>>val1;
           cout<<"\nEnter 2nd value :: ";
           cin>>val2;
        }

        friend float mean(base ob);
};

float mean(base ob)
{
   return float(ob.val1+ob.val2)/2;
}

int main()
{


    base obj;
    obj.get();
    cout<<"\nMean value is :: "<<mean(obj)<<"\n";

    return 0;
}

OUTPUT : :


/*  C++ Program to find Mean Value of number using Friend function  */

Enter 1st value :: 5

Enter 2nd value :: 8

Mean value is :: 6.5

Process returned 0

Above is the source code and output for C++ Program to find Mean Value of number using Friend function which is successfully compiled and run on Windows System to produce desired output.

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