public class Wormhole
{
    public Wormhole (char first, char second, Coordinate location)
    {
        _name = first + second;
        _position = location;
    }

    private String _name;
    private Coordinate _position;
}
@@ -105,16 +105,21 @@
  _name =
+ %22%22 +
  first +

Update Wormhole.java