Get an iterator from a hash set

  import java.util.HashSet;
import java.util.Iterator;

public class Main{
    public static void main(String args[]) {
        HashSet<String> hs = new HashSet<String>();

        hs.add("java2s.com");
        hs.add("A");
        hs.add("D");
        hs.add("E");
        hs.add("C");
        hs.add("j a v a2s.com");

        Iterator<String> itr = hs.iterator();
        while(itr.hasNext()){
          System.out.println(itr.next());
        }
    }
}