Friend Class In C++ | Friend Class In C++ With Example | Friend Class In C++ Syntax | Friend Class In C++ Hindi

Friend Class In C++

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.

 

Fig: Friend Class In C++

Syntax:

class B;

class A

{

private:

data member;

public:

friend class B;

};

 

Program:

#include<iostream.h>

#include<conio.h>

class A

{

private:

int a;

public:

A()

{

a=10;

}

friend class B;

};

class B

{

private:

int b;

public:

void show(A & x)

{

cout<<”x.a=”<<x.a;

}

};

void main()

{

A  a;

B  b;

b.show(a);

getch();

}

         

Output:

x.a 10