Write a program using a friend function, C/C++ Programming

Assignment Help:

Using a Friend

Using a friend function is quite easy. The following example explains a friend function to access members of two classes.

class Bclass; // Forward Declaration

class Aclass

{

public :

Aclass(int v)

{

Avar = v;

}

friend int addup(Aclass &ac, Bclass &bc);

private :

int Avar;

};

class Bclass

{

public :

Bclass(int v)

{

Bvar = v;

}

friend int addup(Aclass &ac, Bclass &bc);

private :

int Bvar;

};

int addup(Aclass &ac, Bclass &bc)

{

return( ac.Avar + bc.Bvar);

}

void main()

{

Aclass aobj;

Bclass bobj;

int total;

total = addup(aobj,bobj);

}

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