public static void main(String[] args) {
// Kopieren durch Klonen
final BaseCloneable original = new BaseCloneable(47, 11);
final BaseCloneable clone = original.clone();
System.out.println("Original: " + original);
System.out.println("Kopie: " + clone);
// Verschiedene Prüfungen durchführen
checkContract(original, clone);
modify(original, clone);
}
