Write C++ Program to display the cube of the number upto a given integer using friend function.

If we declare a function friend int show(T4Tutorials); as a friend in a class T4Tutorials then this function int show(T4Tutorials object) can access the private and protected members of the class T4Tutorials. You must know that a global function can also be declared as a friend function of the class.

Syntax of friend function in C++

class class_name
{
…
friend return_type function_name(arguments);
…
}

#include<iostream>
using namespace std;
class T4Tutorials
{
	private:
		int i,n;
		public:
			function()
	        {
	        		cout<<"Please enter the number :"<<endl;
	            cin>>n;
			for(i=1; i<=n; i++)
			{
							cout<<" The cube of"<<i<<"is ="<<(i*i*i)<<endl;
			}
			}
    friend int show(T4Tutorials);
};
int show(T4Tutorials object)
{
 		cout<<" cube of"<<object.i<<"is ="<<(object.i*object.i*object.i)<<endl;	
}

int main()
{
	T4Tutorials object;
	object.function();
	show(object);
	
}

#include<iostream>

using namespace std;

class T4Tutorials

{

private:

int i,n;

public:

function()

{

cout<<"Please enter the number :"<<endl;

cin>>n;

for(i=1; i<=n; i++)

{

cout<<" The cube of"<<i<<"is ="<<(i*i*i)<<endl;

}

friend int show(T4Tutorials);

};

int show(T4Tutorials object)

{

cout<<" cube of"<<object.i<<"is ="<<(object.i*object.i*object.i)<<endl;

}

int main()

{

T4Tutorials object;

object.function();

show(object);

}

Output

Please enter the number:

cube of 1 is: 1

cube of 2 is: 8

cube of 3 is: 27

cube of 4 is: 64

Write C++ Program to display the cube of the number upto a given integer using friend function.

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