赞题库-背景图
单项选择题

Given:
4. class Electricity {int getCharge() {return 24; } }
5. public class Voltage extends Electricity {
6. enum volts {twelve, twentyfour, oneten};
7. public static void main(String[] args) {
8. volts v = velts.twentyfour;
9. switch (v) {
10. case twelve:
11. System.out.print("12 ");
12. default:
13. System.out.print (getCharge() + " ");
14. case oneten:
15. System.out.print("110 ");
16. } } }
What is the result (Choose all that apply.)

A.24
B.24 110
C.24 110 12
D.Compilation fails due to a misuse of enums.
E.Compilation fails due to a non-enum issue.