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); }