public void handleUpArrow()
{
    int upCollisions[] = {15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,};
    for( int i =0; i < 16; i++)
    {
        if(goldenBallPosition == upCollisions[i])
        {
        }
        else
        {
            jBGrid[goldenBallPosition].setIcon(imageSand);
            jBGrid[goldenBallPosition -16].setIcon(imageBall);
            goldenBallPosition -=16;
            jBCompass.setIcon(imageCompassNorth);
            jTDirection.setText("N");
            jTSquare.setText((""+goldenBallPosition));
        }
    }
}