TreeSet comparator() method in java
import java.util.TreeSet; public class TreeSetComparatorMethodExample { public static void main(String[] args) { TreeSet<Integer> ts = new TreeSet<Integer>(); TreeSet<Integer> comp = new TreeSet<Integer>(); ts.add(5); ts.add(6); ts.add(7); ts.add(8); ts.add(9); ts.add(10); // use comparator comp = (TreeSet)ts.comparator(); if(comp != null) { for(Integer element : comp) { System.out.println(element + " "); } } else { System.out.println("TreeSet comparator value: " + comp); System.out.println("Hence it is using natural ordering."); } } }
