1import java.util.TreeSet;
2public class TreeSetComparatorMethodExample
3{
4 public static void main(String[] args)
5 {
6 TreeSet<Integer> ts = new TreeSet<Integer>();
7 TreeSet<Integer> comp = new TreeSet<Integer>();
8 ts.add(5);
9 ts.add(6);
10 ts.add(7);
11 ts.add(8);
12 ts.add(9);
13 ts.add(10);
14 // use comparator
15 comp = (TreeSet)ts.comparator();
16 if(comp != null)
17 {
18 for(Integer element : comp)
19 {
20 System.out.println(element + " ");
21 }
22 }
23 else
24 {
25 System.out.println("TreeSet comparator value: " + comp);
26 System.out.println("Hence it is using natural ordering.");
27 }
28 }
29}