Help please--cannot get summary button to work???!!!!

Question

Hi all,
I am trying to get a summary of results on a survey, and I did have a portion of it working, but needed to add more code to complete it.
When I hit the display summary button--nothing happens. There is a problem with my logic, but no logic errors come up. I must have created an infinite loop.
Your help is much appreciated!!!!!
Here is the code
rivate void summaryJButtonActionPerformed( ActionEvent event )
       //declare variables
       double perAgree = 0.00;
       double perDisagree = 0.00;
       double perNuetral = 0.00;
       //calculate percent response for each category
       perAgree =  ((double)numAgree/total) * 100;
       perDisagree = ((double)numDisagree/total ) * 100;
       perNuetral =  ((double)numNuetral/total) * 100;
       //clear old results
              summaryJButton.setText("");
       //add header to output area
       resultsJTextArea.append( "RESPONSE\tFREQUENCY\tPERCENT\tHISTOGRAM");
       //display results
       resultsJTextArea.append("\n" + "Agree" + "\t" + numAgree + "\t" + perAgree + "%"  );
       resultsJTextArea.append("\n" + "Disagree" + "\t" + numDisagree + "\t" + perDisagree + "%"  );
       resultsJTextArea.append("\n" + "No Opinion" + "\t" + numNuetral + "\t" + perNuetral + "%"  );
       do
            if (numAgree < total)
                 resultsJTextArea.append("\t" + "\t" + "\t" + "*");
            if (numDisagree < total)
                 resultsJTextArea.append("\t" + "\t" + "\t" + "*" );
            if (numNuetral < total)
               resultsJTextArea.append("\t" + "\t" + "\t" + "*");
      } while (numAgree + numDisagree + numNuetral <= total);
   } // end method summaryJButtonActionPerformed
/code]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           

Answer 1

Hi and thanks for your help!
I did invoke the method with a handler. Maybe I should have given you the entire code that I have in the first place.
The first part of the code, and the other method seems to be working, so I was focusing on where the problem is.
By the way- tried the system.out.printli, but since nothing happens when I click the summary button, I cannot even get any values to print in the command prompt.
Here is the entire app:
// Application summarized results of a survey
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.text.DecimalFormat;
public class Survey extends JFrame
   // JLabel and JTextField read response
   private JLabel responseJLabel;
   private JTextField responseJTextField;
   // JButton initiates display of results
   private JButton summaryJButton;
   // JTextArea for survey results
   private JTextArea resultsJTextArea;
   // JButton resets to start again
   private JButton resetJButton;
   // DECLARE COUNTERS FOR VALID RESPONSES
   private int numAgree = 0;
   private int numDisagree = 0;
   private int numNuetral = 0;
   private int total = 0;
   // no-argument constructor
   public Survey()
      createUserInterface();
   // create and position GUI components; register event handlers
   private void createUserInterface()
      // get content pane for attaching GUI components
      Container contentPane = getContentPane();
      // enable explicit positioning of GUI components
      contentPane.setLayout( null );
      // set up responseJLabel
      responseJLabel = new JLabel();
      responseJLabel.setBounds( 116, 8, 70, 23 );
      responseJLabel.setText( "Response:" );
      contentPane.add( responseJLabel );
      // set up responseJTextField
      responseJTextField = new JTextField();
      responseJTextField.setBounds( 215, 8, 70, 23 );
      contentPane.add( responseJTextField );
      // ADD THE ACTION LISTENER TO THIS FIELD
      responseJTextField.addActionListener(
                new ActionListener() // anonymous inner class
                    // event handler called when user clicks responseJButton
                    public void actionPerformed ( ActionEvent event )
                       responseJTextFieldActionPerformed( event );
                } // end anonymous inner class
             ); // end call to addActionListener
      // set up summaryJButton
      summaryJButton = new JButton();
      summaryJButton.setBounds( 116, 40, 170, 26 );
      summaryJButton.setText( "Display Summary" );
      summaryJButton.setEnabled(false);
      contentPane.add( summaryJButton );
      summaryJButton.addActionListener(
                new ActionListener() // anonymous inner class
                    // event handler called when user clicks summaryJButton
                    public void actionPerformed ( ActionEvent event )
                       summaryJButtonActionPerformed( event );
                } // end anonymous inner class
             ); // end call to addActionListener
      // set up resultsJTextArea
      resultsJTextArea = new JTextArea();
      resultsJTextArea.setBounds( 16, 78, 400, 100 );
      resultsJTextArea.setEditable(false);
      contentPane.add( resultsJTextArea );
      // set up resetJButton
      resetJButton = new JButton();
      resetJButton.setBounds( 175, 200, 70, 23 );
      resetJButton.setText( "reset" );
      contentPane.add( resetJButton );
      // ADD THE ACTION LISTENER TO THIS BUTTON
      resetJButton.addActionListener(
                new ActionListener() // anonymous inner class
                    // event handler called when user clicks resetJButton
                    public void actionPerformed ( ActionEvent event )
                       resetJButtonActionPerformed( event );
                } // end anonymous inner class
             ); // end call to addActionListener
      // set properties of application's window
      setTitle( "Survey Summary" ); // set title bar text
      setSize( 450, 275 );         // set window size
      setVisible( true );          // display window
   } // end method createUserInterface
   // method reads user input and accumulates totals
   private void responseJTextFieldActionPerformed( ActionEvent event )
        String input;             //used to store user's input
        boolean valid;
        int response;
          //test for no input
        if (responseJTextField.getText().equals(""))
                          JOptionPane.showMessageDialog( null,
                        "Please enter a response to the survey ", "Message",
                         JOptionPane.INFORMATION_MESSAGE);
                             return;
          //read user input and convert to number
        input = ( responseJTextField.getText() );
        response = Integer.parseInt (input);
        // display error when response is not valid
                  if (response == 1 || response == 2 || response == 3)
                    valid = true;
                    total++;
                    summaryJButton.setEnabled (true);
                    responseJTextField.setText("");
               else
                    //display error message
                    JOptionPane.showMessageDialog( null,
                  "Please enter a valid response ", "Message",
                   JOptionPane.INFORMATION_MESSAGE);
                   return;
             //add totals for each category
             if (response == 1)
                    numAgree++;
               if (response == 2)
                    numDisagree++;
               if (response == 3)
                    numNuetral++;
   } // end method responseJTextFieldActionPerformed
   // method displays survey summary
   private void summaryJButtonActionPerformed( ActionEvent event )
       //declare variables
       double perAgree = 0.00;
       double perDisagree = 0.00;
       double perNuetral = 0.00;
       //calculate percent response for each category
       perAgree =  ((double)numAgree/total) * 100;
       perDisagree = ((double)numDisagree/total ) * 100;
       perNuetral =  ((double)numNuetral/total) * 100;
       //clear old results
              summaryJButton.setText("");
       //add header to output area
       resultsJTextArea.append( "RESPONSE\tFREQUENCY\tPERCENT\tHISTOGRAM");
       //display results
       resultsJTextArea.append("\n" + "Agree" + "\t" + numAgree + "\t" + perAgree + "%"  );
       resultsJTextArea.append("\n" + "Disagree" + "\t" + numDisagree + "\t" + perDisagree + "%"  );
       resultsJTextArea.append("\n" + "No Opinion" + "\t" + numNuetral + "\t" + perNuetral + "%"  );
       do
            if (numAgree < total)
                 resultsJTextArea.append("\t" + "\t" + "\t" + "*");
            if (numDisagree < total)
                 resultsJTextArea.append("\t" + "\t" + "\t" + "*" );
            if (numNuetral < total)
               resultsJTextArea.append("\t" + "\t" + "\t" + "*");
      } while (numAgree + numDisagree + numNuetral <= total);
   } // end method summaryJButtonActionPerformed
   // method resets and clears to enable re-start
   private void resetJButtonActionPerformed( ActionEvent event )
        numAgree = 0;
        numDisagree = 0;
        numNuetral = 0;
        total = 0;
       responseJTextField.setText( "" );
      resultsJTextArea.setText( "" );
      summaryJButton.setEnabled(false);
   } // end method resetJButtonActionPerformed
   // main method
   public static void main( String[] args )
      Survey application = new Survey();
      application.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
   } // end method main
} // end class Survey