Example (contŐd)
 while( it.hasPrevious() )             // move to start
    {
    it.previous();
    }

  it.next();
  it.next();
  it.remove();                          // remove element
  System.out.println(ll);

  it.add("northeast");                  // insert
  System.out.println(ll);
  }

}
final output:
[north, east, southeast, south, southwest, west, northwest]
[north, northeast, east, southeast, south, southwest, west, northwest]