In an interview it was asked, find the error
private interface Icalculate : ClassAdd, ClassSub
{
public void Add(int a, int b)
{
return(a+b);
}
public void Sub(int a, string b)
{
return(a-b);
}
}
Ans:
I told him-
1- INterfaces are bydefualt public
2- We can't inherit class by interface (what i asked to you, i was in confusion)
3- And we can't add string to int value
Was i right?