問題詳情

214.Given: 12. import java.util.*;13. public class Explorer3{ 14. public static void main(String[] args){ 15. TreeSet<Integer> s = new TreeSet<Integer>(); 16. TreeSet<Integer> subs = new TreeSet<Integer>(); 17. for(int i=606; i<613; i++) 18. if(i%2 == 0) s.add(i); 19. subs = (TreeSet)s.subSet(608, true, 611, true); 20. subs.add(629); 21. System.out.println(s + " " + subs); 22. } 23. } What is the result?
(A) Compilation fails.
(B) An exception is thrown at runtime.
(C) [608, 610, 612, 629] [608, 610]
(D) [608, 610, 612, 629] [608, 610, 629]
(E) [606, 608, 610, 612, 629] [608, 610]

參考答案