Examveda

What will be the output of the following C# code?
interface calc
{
    void cal(int i);
}
public  class maths :calc 
{
    public int x;
    public void cal(int i) 
    {
        x = i * i;            
    }
}
class Program
{
    public static void Main(string[] args)
    {            
        display arr = new display();
        arr.x = 0;      
        arr.cal(2);
        Console.WriteLine(arr.x);
        Console.ReadLine();
    }
}

A. 0

B. 2

C. 4

D. None of the mentioned

Answer: Option C


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