public static Iterator reverse(List list) { Collections.reverse(list); return list.iterator(); } public static void main(String[] args) { List list = new ArrayList(); list.add(” 1”); list.add(”2”); list.add(”3”); for (Object obj: reverse(list)) System.out.print(obj + “,”); } What is the result?()
- A、 3,2,1,
- B、 1,2,3,
- C、 Compilation fails.
- D、 The code runs with no output.
- E、 An exception is thrown at runtime.
正确答案:C
答案解析:有
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