Copy all elements in TreeSet to an Object Array : TreeSet « Collections « Java Tutorial

1. Java Tutorial
2. Collections
3. TreeSet

import java.util.TreeSet;

public class Main {
  public static void main(String[] args) {
    TreeSet<Integer> tSet = new TreeSet<Integer>();
    tSet.add(new Integer("1"));
    tSet.add(new Integer("2"));
    tSet.add(new Integer("3"));

    Object[] objArray = tSet.toArray();
    for (Object obj: objArray){
      System.out.println(obj);
    }
  }
}