public int CompareTo(object obj)
{
Figure f = (Figure)obj;
if (this.Area() < f.Area())
{
return(-1);
}
else if (this.Area() == f.Area())
{
return(0);
}
else
{
return(1);
}
}
public int CompareTo(object obj)
{
Figure p = (Figure)obj;
if (this.Area() > p.Area())
{
return(1);
}
else if (this.Area() < p.Area())
{
return(-1);
}
else if (this.Area() == p.Area())
{
return(0);
}
else
{
throw new NotImplementedException();
}
}
public int CompareTo(object obj)
{
if (obj == null)
{
return(1);
}
Figure fig = obj as Figure;
if (fig != null)
{
return(this.Area().CompareTo(fig.Area()));
}
else
{
throw new ArgumentNullException("Object is not a Figure");
}
}
public int CompareTo(Object obj)
{
if (obj == null)
{
return(1);
}
Figure com = (Figure)obj;
if (com != null)
{
return(Area().CompareTo(com.Area()));
}
else
{
Console.WriteLine("obj is not a Figure");
return(1);
}
}
