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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
Bclass(int v)
Bvar = v;
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);
program and solution for the above question
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Static Member Functions All the objects of the class share static data members of a class. The example above demonstrates how to keep track of all the objects of a class which
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Passing and Returning Objects Objects can be passed to a function and returned back just like normal variables. When an object is passed by content, the compiler makes another
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