()
| 7 | public static B getXbyB() {return new X();} |
| 8 | public static X getX() {return new X();} |
| 9 | public static A getYbyA() {return new Y();} |
| 10 | public static B getYbyB() {return new Y();} |
| 11 | public static C getYbyC() {return new Y();} |
| 12 | public static Y getY() {return new Y();} |