int maxHeight = 0;
int maxHeight = tileHeight;
    public int getTileHeightMax() {        int maxHeight = 0;        Iterator itr = tilesets.iterator();        while (itr.hasNext()) {            int height = ((TileSet)itr.next()).getTileHeightMax();            if (height > maxHeight) {                maxHeight = height;            }        }        return maxHeight;    }