// 13B
import java.util.*;
public class TestJavaColection2 {
  public static void main(String args[]){
    LinkedList<String> al = new LinkedList<>();
    al.add("Ravi");
    al.add("Vijay");
    al.add("Ravi");
    al.add("Ajay");
    Iterator<String> itr = al.iterator();
    while(itr.hasNext()){
      System.out.println(itr.next());
    }
  }
}