What will be the output of the following Java program?

class box 
{
    int width;
    int height;
    int length;
    int volume;
    void volume() 
    {
        volume = width * height * length;
    } 
    void volume(int x) 
    {
        volume = x;
    }
}    
class Output 
{ 
    public static void main(String args[]) 
    {
        box obj = new box();
        obj.height = 1;
        obj.length = 5;
        obj.width = 5;
        obj.volume(5);
        System.out.println(obj.volume);        
    } 
}

A. 0

B. 5

C. 25

D. 26

Answer: Option B