public class Door
{
    public static final String START = "AA";
    public static final String EXIT = "ZZ";
    
    public Door (Coordinate position, boolean horizontalRepresentation)
    {
        _location = position;
        _horizontal = horizontalRepresentation;
    }

    private Coordinate _location;
    private boolean _horizontal;
}
@@ -10,17 +10,30 @@
 ass Door
+ extends Tile
 %0A
-
 %7B%0A    pu
@@ -119,13 +119,9 @@
 Z%22;%0A
-    
 %0A
+
     
@@ -192,14 +192,61 @@
 on)%0A
-
     %7B%0A
+        super(position, TileId.DOOR);%0A        %0A
     

Update Door.java