第14題
Given:
11. class Person{
12. String name = "No name";
13. public Person(String nm){name = nm;}
14. }
15.
16. class Employee extends Person{
17. String empID = "0000";
18. public Employee(String id){empID = id;}
19. }
20.
21. class EmployeeTest{
22. public static void main(String[] args){
23. Employee e = new Employee("4321");
24. System.out.println(e.empID);
25. }
26. }
What is the result?
(A) 4321
(B) 0000
(C) An exception is thrown at runtime.
(D) Compilation fails because of an error in line 18.
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