private boolean isAbleToMove(GameAreaBrick brick, int rowToMove, int columnToMove)
    {
        
        if(rowToMove < 0 || columnToMove < 0 || rowToMove >= rows || columnToMove >= columns)
            return false;

        if(bricks[rowToMove][columnToMove] == null)
             return true;
        
        return false;        
    }