// Klassenmethode
public static int Bigger(GeometricObject object1, GeometricObject object2)
{
if (object1 == null || object2 == null) return 0;
if (object1 == null) return -1;
if (object2 == null) return 1;
if (object1.GetArea() > object2.GetArea()) return 1;
if (object1.GetArea() < object2.GetArea()) return -1;
return 0;
}
public virtual int Bigger(GeometricObject @object)
{
if (@object == null || GetArea() > @object.GetArea())
{
return(1);
}
if (GetArea() < @object.GetArea())
{
return(-1);
}
return(0);
}
public virtual int Bigger(GeometricObject obj)
{
if (obj == null || GetArea() > obj.GetArea())
{
return(1);
}
if (GetArea() < obj.GetArea())
{
return(-1);
}
return(0);
}
public static int Bigger(GeometricObject rect1, GeometricObject rect2)
{
if (rect1.GetArea() > rect2.GetArea())
{
return(1);
}
else if (rect1.GetArea() == rect2.GetArea())
{
return(0);
}
else
{
return(-1);
}
}
public virtual int Bigger(GeometricObject rect)
{
if (GetArea() > rect.GetArea())
{
return(1);
}
else if (GetArea() == rect.GetArea())
{
return(0);
}
else
{
return(-1);
}
}
public virtual int CompareTo(Object @object)
{
GeometricObject geoObject = @object as GeometricObject;
if (geoObject != null)
{
if (GetArea() < geoObject.GetArea())
{
return(-1);
}
if (GetArea() == geoObject.GetArea())
{
return(0);
}
return(1);
}
throw new ArgumentException("Ungültige Objektübergabe. Es wird der Typ 'GeometricObject' erwartet.");
}
public virtual int CompareTo(object obj)
{
GeometricObject geoObject = obj as GeometricObject;
if (geoObject != null)
{
if (GetArea() < geoObject.GetArea())
{
return(-1);
}
if (GetArea() == geoObject.GetArea())
{
return(0);
}
return(1);
}
throw new ArgumentException("Es wird der Typ GeometricObject erwartet.");
}
public static int Bigger(GeometricObject object1, GeometricObject object2)
{
if (object1 == null && object2 == null)
{
return(0);
}
if (object1 == null)
{
return(-1);
}
if (object2 == null)
{
return(1);
}
if (object1.GetArea() > object2.GetArea())
{
return(1);
}
if (object1.GetArea() < object2.GetArea())
{
return(-1);
}
return(0);
}
// Instanzmethoden
public virtual int Bigger(GeometricObject rect)
{
return(Math.Sign(GetArea() - rect.GetArea()));
}
// Instanzmethoden
// Die virtuelle Methode ist allgemein formuliert und gilt daher
// sowohl für die Klasse <Circle> wie <Rectangle>
public virtual int Bigger(GeometricObject @object)
{
if (@object == null || GetArea() > @object.GetArea()) return 1;
if (GetArea() < @object.GetArea()) return -1;
return 0;
}
