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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);
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Mention 3 characteristics of object
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y=2x-3?_(i=1)^(n+1)¦?i+2?
For the circuit shown in Figure, verify (a) the battery voltage V , (b) the total resistance of the circuit, and (c) the values of resistance of resistors R 1 , R 2 and
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