Action Point Of Sale Code

package cell;
import java.io.*;
abstract class CellMap extends CellLinkUp
{
 int RECORD = 256;
 void goTo(short row) throws IOException
 {
  for (int i = deletions.size()-1; i>= 0; i--)
  if (((Short)deletions.elementAt(i)).shortValue() <= row) row++;
  f.seek(2 * RECORD * (long)row);
  }
 CellMap(String fileName)
 {
  super(fileName);
  }
 }