public static string formatForWrite(Student stIn)
{
if (stIn is FullTimeStudent)
{
FullTimeStudent fts = (FullTimeStudent)stIn;
return($"F#{fts.getId()}#{fts.getFirstName()}#{fts.getLastName()}#{fts.getCampus()}");
}
else if (stIn is DistanceStudent)
{
DistanceStudent dts = (DistanceStudent)stIn;
return($"D#{dts.getId()}#{dts.getFirstName()}#{dts.getLastName()}#{dts.getFacilitator()}");
}
else
{
return($"E#{stIn.getId()}");
}
}
