Question

Write a complete Java program using the StringTokenizer class that computes and displays the average of a list of grades read from the command line. Each grade should be entered on the same line separated by commas. Enter signifies the end of the input.

Answer 1

Here is the answer..

CODE:

import java.util.*;
class Token{
   public static void main(String[] args) {
       StringTokenizer s = new StringTokenizer(args[0], ","); //split at comma
       int sum=0,count=0;
       while(s.hasMoreTokens()){           //iterate through tokens
           int n=Integer.parseInt(s.nextToken());
           sum+=n;               //sum up the number
           count+=1;
       }
       System.out.println("Average is : "+(float)sum/count );
   }
}

OUTPUT:

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