public Tile getAbove() {
        int y = tileY - 1;
        if (y < 0) {
            y = getMaxTileNumber(this.zoomLevel);
        }
        return new Tile(this.tileX, y, this.zoomLevel, this.tileSize);
    }
public Tile getAbove ( ) { int y = tileY - 1 ; if ( y < 0 ) { y = getMaxTileNumber ( this . zoomLevel ) ; } return new Tile ( this . tileX , y , this . zoomLevel , this . tileSize ) ; }
Returns the tile above this tile.

@return tile above