public class School
{
  private String name;
  private int zip;
  private int enrol;

  /** Given a line of text from the input file, we need to parse out
   *  what we need:  the school's name, ZIP code and enrolment.
   *  According to the record layout, they are given at certain points
   *  on the line, as given below in the calls to substring().
   *  It turns out that for some schools, ZIP code or enrolment data are
   *  unknown, and in the data file this is signified by an "N".
   */
  public School(String line)
  {
    name = line.substring(106, 156);

    String zipString = line.substring(299, 304);
    if (zipString.indexOf('N') >= 0 || zipString.indexOf('M') >= 0)
      zip = 0;
    else
      zip = Integer.parseInt(line.substring(299, 304));

    String enrolString = line.substring(1322, 1326);
    if (enrolString.indexOf('N') >= 0 || enrolString.indexOf('M') >= 0)
      enrol = 0;
    else
      enrol = Integer.parseInt(line.substring(1322, 1326));
  }

  public int getZip()
  {
    return zip;
  }

  public int getEnrol()
  {
    return enrol;
  }

  public String toString()
  {
    return name + "  " + zip + "  " + enrol;
  }
}