問題詳情
208
Which code, inserted at line 4, guarantees that this program will output [1, 2]?
(A) Set set = new TreeSet();
(B) Set set = new HashSet();
(C) Set set = new SortedSet();
(D) List set = new SortedList();
(E) Set set = new LinkedHashSet();
Which code, inserted at line 4, guarantees that this program will output [1, 2]?
(A) Set set = new TreeSet();
(B) Set set = new HashSet();
(C) Set set = new SortedSet();
(D) List set = new SortedList();
(E) Set set = new LinkedHashSet();