Share on Google+Share on Google+

SCJP Module-9 Question-16

The Sample code given below will test your understanding of Collection framework of Java.

Given below the sample code :

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

Which line given below should place at line 4 to give output [1, 2] , by the above code?

1. Set set = new LinkedHashSet();

2. Set set = new SortedSet();

3. Set set = new HashSet();

4. Set set = new TreeSet();




Posted on: July 17, 2010 If you enjoyed this post then why not add us on Google+? Add us to your Circles

Share this Tutorial Follow us on Twitter, or add us on Facebook or Google Plus to keep you updated with the recent trends of Java and other open source platforms.