need help about class average,do while statement..please

[xduh9]

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class ClassAverage1 extends JFrame
{

private JLabel gradeListJLabel;
private JTextArea gradeListJTextArea;


private JButton ContinueJButton;


private JButton getGradesJButton;



private JButton averageJButton;


private JLabel classAverageJLabel;
private JTextField classAverageJTextField;


private int total = 0;

public ClassAverage1()
{
createUserInterface();
}


private void createUserInterface()
{

Container contentPane = getContentPane();


contentPane.setLayout( null );


gradeListJLabel = new JLabel();
gradeListJLabel.setBounds( 16, 8, 70, 23 );
gradeListJLabel.setText( "Grade list:" );
contentPane.add( gradeListJLabel );




gradeListJTextArea = new JTextArea();
gradeListJTextArea.setBounds( 16, 32, 88, 180 );
contentPane.add( gradeListJTextArea );



getGradesJButton = new JButton();
getGradesJButton.setBounds( 128, 50, 100, 26 );
getGradesJButton.setText( "Get Grades" );
contentPane.add( getGradesJButton );
getGradesJButton.addActionListener(



new ActionListener()
{

public void actionPerformed( ActionEvent event )
{
getGradesJButtonActionPerformed( event );
}

}

);

averageJButton = new JButton();
averageJButton.setBounds( 128, 90, 100, 26 );
averageJButton.setText( "Average" );
averageJButton.setEnabled( false );
contentPane.add( averageJButton );
averageJButton.addActionListener(

new ActionListener()
{

public void actionPerformed( ActionEvent event )
{
averageJButtonActionPerformed( event );
}

}

);


classAverageJLabel = new JLabel();
classAverageJLabel.setBounds( 128, 132, 90, 23 );
classAverageJLabel.setText( "Class average:" );
contentPane.add( classAverageJLabel );


classAverageJTextField = new JTextField();
classAverageJTextField.setBounds( 128, 156, 100, 21 );
classAverageJTextField.setEditable( false );
classAverageJTextField.setHorizontalAlignment(
JTextField.CENTER );
contentPane.add( classAverageJTextField );


setTitle( "Class Average" );
setSize( 250, 250 );
setVisible( true );

}


private void getGradesJButtonActionPerformed( ActionEvent event )
{
total = 0;
int counter = 1;
String input;
int grade;

gradeListJTextArea.setText( "" );
classAverageJTextField.setText( "" );

do
{

input = JOptionPane.showInputDialog( null, "Enter Grade" );
grade = Integer.parseInt( input );


gradeListJTextArea.append( grade + "\n" );
total += grade;
counter++;
}
while ( counter <= 7 );

averageJButton.setEnabled( true );
averageJButton.requestFocusInWindow();

}

private void averageJButtonActionPerformed( ActionEvent event )
{
double average = ( double ) total / 7;
classAverageJTextField.setText( String.valueOf( average ) );

}


public static void main( String[] args )
{
ClassAverage1 application = new ClassAverage1();
application.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );

}

}


=please help me how to insert do,while condition which is if i continue to give another grades.
thank you!

[Fubarable]

Come on now. This is your second identical question, and the first one was never answered because it was a terrible question -- likewise for this which is identical.

First at least make a good faith attempt to solve this on your own before dumping the assignment here in this forum. Then ask about specific problems with your existing attempted implementation.