()
| 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();} |
| 13 | public static A getZbyA() {return new Z();} |
| 14 | public static B getZbyB() {return new Z();} |