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);
}