// Program to illustrate friend class example
#include<iostream.h>
class second;
class first
{
private:
int a;
int b;
public:
int multiply()
{
return a*b;
}
void assign(second s);
};
class second
{
private:
int c;
public:
void setvalue(int x)
{
c=x;
}
friend class first;
};
void first::assign(second s)
{
a=s.c;
b=s.c;
}
int main()
{
first obj1;
second obj2;
obj2.setvalue(10);
obj1.assign(obj2);
cout<<"\n Result ="<<obj1.multiply();
return 0;
}
Test data
Result = 100
