10. BufferedReader example: reading random access file sequentially

• 
  // Read through all records in RandomEmployees.txt file sequentially
  // if ID number is zero, skip and assume no user record was entered/stored there
  import java.nio.file.*;
  import java.io.*;
  import static java.nio.file.AccessMode.*;
  public class ReadEmployeesSequentially
  {
      public static void main(String[] args)
      {
          Path file =
              Paths.get("C:\\example\\RandomEmployees.txt");
          String[] array = new String[3];
          String s = "";
          String delimiter = ",";
          int id;
          String stringId;
          String name;
          double payRate;
          double gross;
          final double HRS_IN_WEEK = 40;
          double total = 0;
          try
          {
              InputStream input = new
                  BufferedInputStream(Files.newInputStream(file));
              BufferedReader reader = new
                  BufferedReader(new InputStreamReader(input));
              System.out.println();
              s = reader.readLine();
              while(s != null)
              {
                  array = s.split(delimiter);
                  stringId = array[0];
                  id = Integer.parseInt(array[0]);
                  if(id != 0)
                  {
                      name = array[1];
                      payRate = Double.parseDouble(array[2]);
                      gross = payRate * HRS_IN_WEEK;
                      System.out.println("ID#" + stringId + " " +
                          name + " $" + payRate + " $" + gross);
                      total += gross;
                  }
                  s = reader.readLine();
              }
              reader.close();
          }
          catch(Exception e)
          {
              System.out.println("Message: " + e);
          }
          System.out.println(" Total gross payroll is $" + total);
      }
  }//class ReadEmployeesSequentially