Test Index

Collections and Generics

Question : 11

Total: 53

Given:

1. public static Iterator reverse(List list) {
2.   Collections.reverse(list);
3.   return list.iterator();
4. }
5. public static void main(String[] args) {
6.   List list = new ArrayList();
7.   list.add("1"); list.add("2"); list.add("3");
8.   for (Object obj: reverse(list))
9.   System.out.print(obj + ", ");
10. }

What is the result?

3, 2, 1,
1, 2, 3,
Compilation fails
The code runs with no output.
An exception is thrown at runtime

Validate

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