PC^2/pc2board/samps/sumit.java

   1 import java.io.*;
   2
   3 //
   4 // File:    sumit.java
   5 // Purpose: to sum the integers in the file sumit.dat
   6 // Author:  pc2@ecs.csus.edu or http://www.ecs.csus.edu/pc2
   7 //
   8 // $Id: sumit.java,v 1.2 2005/03/06 05:19:05 laned Exp $
   9 //
  10
  11 public class sumit {
  12     public static void main(String[] args)
  13     {
  14         try
  15         {
  16                 RandomAccessFile file = new RandomAccessFile("sumit.dat", "r");
  17                 String line;
  18                 int sum = 0;
  19                 int rv = 0;
  20                 while((line = file.readLine()) != null)
  21                 {
  22                         rv = new Integer(line.trim()).intValue();
  23                         if (rv > 0)
  24                                 sum = sum + rv;
  25                         // System.out.println(line);
  26                 }
  27                 System.out.print("The sum of the integers is ");
  28                 System.out.println(sum);
  29         }
  30         catch(Exception e)
  31         {
  32                 System.out.println("Possible trouble reading sumit.dat");
  33         }
  34     }
  35 }
  36
  37 // eof sumit.java $Id: sumit.java,v 1.2 2005/03/06 05:19:05 laned Exp $