import java.util.*;
public class Iterate {
public static void main (String args[]) {
String elements[] = {"Irish Setter", "Poodle",
"English Setter", "Gordon Setter", "Pug"};
Set set = new HashSet(Arrays.asList(elements));
Iterator iter = set.iterator();
while (iter.hasNext()) {
System.out.println(iter.next());
}
}
}