Action Point Of Sale Code

package cellbase;
final public class CellFinal extends CellReader
{
 CellBase boot(String fileName)
 {
  return new CellFinal(fileName);
  }
 void writeRow(short row, Object[] r)
 {
  String s = "";
  for (int i=0;i< r.length;i++)
  {
   String n = r[i] +"";
   n = n.replace(',', '.');
   s = s + "," + n;
   }
  while (s.length() < RECORD) s = " " + s;
  buffer(row, s.toCharArray(), "W");
  }
 public void so(byte col, short row, Object val)
 {
  super.so(col, row, val);
  if (!loaded) return;
  Object[] r = new Object[ramCols(row)];
  for (byte  i = 0; i< r.length; i++) r[i] = go(i, row);
  r[col] = val;
  writeRow(row, r);
  }
 public CellFinal(String  fileName)
 {
  super(fileName);
  }
 }