Friend Class Example in C++


Description:

Friend Class A friend class can access private and protected members of other class in which it is declared as friend. It is sometimes useful to allow a particular class to access private members of other class.

Example Program:

Here is the simple program friend class in C++.

Source Code

#include <iostream>
//Friend Class
using namespace std;
class Your;
class My
{
private :
    int a;
protected :
    int b;
public:
    int c;
    friend Your;
};
class Your
{
public:
    void fun()
    {
        My t;
        t.a=10;
        t.b=20;
        t.c=30;
        cout<< "A : "<<t.a<<endl;
        cout<< "B : "<<t.b<<endl;
        cout<< "C : "<<t.c<<endl;
    }
};
int main()
{
    Your o;
    o.fun();
    return 0;
}
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Output

A : 10
B : 20
C : 30

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