import javax.swing.JOptionPane;
import java.io.*;

public class ReadData1 {

  public static void main ( String args[])
{
  int data [ ] = new int [5];
    int num, total = 0;
    BufferedReader pr = null;
    File newFile = new File ("results.txt");
    try {

    pr = new BufferedReader ( new FileReader (newFile));

    String s = new String ( pr.readLine ( )); //read name
    String output = new String(s);

    for( int i = 0; i<4; i++){              //read 4 grades
      s = pr.readLine ();
      num = Integer.parseInt(s);      // convert string to num
      data[i] = num;                  // store number in the array
      total = total + num;
      output = output + " " + num;
    }
    output = output + " Avg = " + (total/ 4.0);
    pr.close();

    JOptionPane.showMessageDialog( null, output, "Read From File",
                                     JOptionPane.INFORMATION_MESSAGE);
  }
  catch (IOException ex){
    JOptionPane.showMessageDialog( null, "IO error", "Read File failed",
                                     JOptionPane.INFORMATION_MESSAGE);
    }

  }
}