ArrayList<String> mylist = new ArrayList<String>();
        mylist.add("DE");
        mylist.add("AT");

        for(int i=0; i<mylist.size(); i++)
            System.out.println(mylist.get(i));

        Iterator<String> it = mylist.iterator();

        while(it.hasNext())
        {

            String s = it.next();
            System.out.println(s);

        }