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Collections and Generics

Question : 8 of 53

Marks: +1, -0

Given:

1. import java.util.*;
2. public class Example {
3.   public static void main(String[] args) {
4.     /*insert code here*/
5.    set.add(new Integer(2));
6.    set.add(new Integer(1));
7.    System.out.println(set);
8.   }
9. }

Which code, inserted at line 4, guarantees that this program will output [1, 2]?

Set set = new TreeSet();
Set set = new HashSet();
Set set = new SortedSet();
List set = new SortedList();
Set set = new LinkedHashSet();

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