Iterator Design Pattern Sample

import java.lang.String;
import java.io.File;
import java.util.Iterator;
import java.util.List;
import java.util.LinkedList;
import java.util.ArrayList;
import java.util.Arrays;

class IteratorPattern{
 public static void main(String[] args){
  
  String[] tmp = {"test1","test2","test3","test4"};
  
  List<String> l = new ArrayList<String>(Arrays.asList(tmp));
  /*  
  List<String> l = new LinkedList<String>();
  l.add("test1");
  l.add("test2");
  l.add("test3");
  */
    
  Iterator it = l.iterator();
  
  while(it.hasNext()){
   System.out.println(it.next());
  }
  
 }
}