import java.util.*;

public class Generics {

  public static void main(String argv[]) {
    List<String> numbers = new ArrayList<String>();
    numbers.add("one"); 
    numbers.add("two");
    numbers.add("three");
    numbers.add("four");
    
    Iterator<String> iter = numbers.iterator();
    while (iter.hasNext()) {
      String anb = iter.next();
      System.out.println(anb);
    }
  }
}