Test Index

Collections and Generics

Question : 8

Total: 53

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();

Validate

Go to Question:

Prev Question

Next Question