// Find the avarage and the highest grades given a series of scores.
// A GUI implementation -- version 2.

import javax.swing.JOptionPane;

class TAGUI2  {

   public static void main (String[] args) {  

       int grade, sum, number, maxgrade, avarage, moregrades;
       String output;    

       sum = 0;
       number = 0;
       maxgrade = -1;
     
       do {

          grade = Integer.parseInt (JOptionPane.showInputDialog ("Enter a grade: "));
          
          ++number;
          sum = sum + grade;
          avarage = sum / number; 
          if (grade > maxgrade)
              maxgrade = grade;

	  output = "The current highest grade is " + maxgrade + "\n" +
                   "The current avarage grade is " + avarage + "\n" +
                   "The number of grades entered is " + number;

	  JOptionPane.showMessageDialog (null, output);

	  moregrades = JOptionPane.showConfirmDialog (null, "More Grades?");
      }

      while (moregrades == JOptionPane.YES_OPTION);
   }
}