Why a lot of this posts in this thread ? I don't understand

MOD.
There's a lot of confusion out there, a lot of new posts everyday and for the same things and so, infos are here and there and u can't understand how solve something if all infos are in 3 mln posts ...
Is this normal ?
Solved!
Go to Solution.

Hi, you will always get that i'm afraid or someone adding a new question on an older thread that just pushes that thread to the top......it is easier for some people to ask a new question rather than look for a simiar one or do a search.....

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Hi,
Ok, I'll preface this by saying there's a lotta code pasted in here but it really quite an easy question, I just need to post all the code so you understand where what came from.
Now.............the question I'm trying to do is to create an applet that has 2 buttons -- each button when clicked opens an application (one is a simple calculator, the other a Mortgage calculation app). When you click one of the buttons (calc or mortgage), that app opens infront of the 2 button menu so its in "focus". The button on the 2 button menu then switches to a "hide app X" button (ie: "Mortgage", changes to "Hide Mortgage"). Thus if you click the hide button, the app that was opened is hidden, and then that "hide" button switches back to the original "app X" button. Pretty simple.
Now, I have from my text book an example that does exactly this, with the simple calculator already in it, and with another app (a traffic light thing) where the Mortgage should be in my final product. I also already have the Mortgage applet I need to insert from another book example in place of that Traffic Light portion.
Now, common sense would dictate that I should be able to just copy my code for the Mortgage applet into the example that has the 2 button menu structure, and overwrite the code I want to get rid of (the traffic light) with the mortgage code & rename the menu buttons. Right?? A simple switch of one thing for another... but therein lies my problem.
I copied all the Mortgage code in correctly over the traffic lights, switched the button names, tried to compile it but I get one error....
Exercise12_17.java:52: cannot resolve symbol
symbol : method pack ()
location: class MortgageApplet
        mortgageAppletFrame.pack();I don't understand why..... mortgageAppletFrame.pack(); was a simple rewrite from lightsFrame.pack(); like every other line...... it should work. I've gone over it for 2 days......... Anyone know why it comes up as an error???
Below, in order going down is (1)my code with the 1 error I can't solve, (2)the original menu example I tried to edit, and (3)the Mortgage app code...........
Does anyone know what my error is?? Help or a hint would be greatly appreciated........ Thanks.
My erroring app.......
// Exercise12_17.java: Create multiple windows
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.TitledBorder;
public class Exercise12_17 extends JFrame implements ActionListener {
// Declare and create a frame: an instance of MenuDemo
MenuDemo calcFrame = new MenuDemo();
// Declare and create a frame: an instance of RadioButtonDemo
MortgageApplet mortgageAppletFrame = new MortgageApplet();
// Declare two buttons for displaying frames
private JButton jbtCalc;
private JButton jbtMortgage;
public static void main(String[] args) {
    Exercise12_17 frame = new Exercise12_17();
    frame.setSize( 400, 70 );
    frame.setTitle("Exercise 11.8: Multiple Windows Demo");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setVisible(true);
public Exercise12_17() {
    // Add buttons to the main frame
    getContentPane().setLayout(new FlowLayout());
    getContentPane().add(jbtCalc = new JButton("Simple Calculator"));
     getContentPane().add(jbtMortgage = new JButton("Mortgage"));
    // Register the main frame as listener for the buttons
    jbtCalc.addActionListener(this);
     jbtMortgage.addActionListener(this);
public void actionPerformed(ActionEvent e) {
    String arg = e.getActionCommand();
    if (e.getSource() instanceof JButton)
      if ("Simple Calculator".equals(arg)) {
        //show the MenuDemo frame
        jbtCalc.setText("Hide Simple Calculator");
        calcFrame.pack();
        calcFrame.setVisible(true);
      else if ("Hide Simple Calculator".equals(arg)) {
        calcFrame.setVisible(false);
        jbtCalc.setText("Simple Calculator");
      else if ("Mortgage".equals(arg)) {
        //show the CheckboxGroup frame
        mortgageAppletFrame.pack();
        jbtMortgage.setText("Hide Mortgage");
        mortgageAppletFrame.setVisible(true);
      else if ("Hide Mortgage".equals(arg)) {
        mortgageAppletFrame.setVisible(false);
        jbtMortgage.setText("Mortgage");
class MortgageApplet extends JApplet
implements ActionListener {
// Declare and create text fields for interest rate
// year, loan amount, monthly payment, and total payment
private JTextField jtfAnnualInterestRate = new JTextField();
private JTextField jtfNumOfYears = new JTextField();
private JTextField jtfLoanAmount = new JTextField();
private JTextField jtfMonthlyPayment = new JTextField();
private JTextField jtfTotalPayment = new JTextField();
// Declare and create a Compute Mortgage button
private JButton jbtComputeMortgage = new JButton("Compute Mortgage");
/** Initialize user interface */
public void init() {
    // Set properties on the text fields
    jtfMonthlyPayment.setEditable(false);
    jtfTotalPayment.setEditable(false);
    // Right align text fields
    jtfAnnualInterestRate.setHorizontalAlignment(JTextField.RIGHT);
    jtfNumOfYears.setHorizontalAlignment(JTextField.RIGHT);
    jtfLoanAmount.setHorizontalAlignment(JTextField.RIGHT);
    jtfMonthlyPayment.setHorizontalAlignment(JTextField.RIGHT);
    jtfTotalPayment.setHorizontalAlignment(JTextField.RIGHT);
    // Panel p1 to hold labels and text fields
    JPanel p1 = new JPanel();
    p1.setLayout(new GridLayout(5, 2));
    p1.add(new Label("Annual Interest Rate"));
    p1.add(jtfAnnualInterestRate);
    p1.add(new Label("Number of Years"));
    p1.add(jtfNumOfYears);
    p1.add(new Label("Loan Amount"));
    p1.add(jtfLoanAmount);
    p1.add(new Label("Monthly Payment"));
    p1.add(jtfMonthlyPayment);
    p1.add(new Label("Total Payment"));
    p1.add(jtfTotalPayment);
    p1.setBorder(new
      TitledBorder("Enter interest rate, year and loan amount"));
    // Panel p2 to hold the button
    JPanel p2 = new JPanel();
    p2.setLayout(new FlowLayout(FlowLayout.RIGHT));
    p2.add(jbtComputeMortgage);
    // Add the components to the applet
    getContentPane().add(p1, BorderLayout.CENTER);
    getContentPane().add(p2, BorderLayout.SOUTH);
    // Register listener
    jbtComputeMortgage.addActionListener(this);
/** Handle the "Compute Mortgage" button */
public void actionPerformed(ActionEvent e) {
    if (e.getSource() == jbtComputeMortgage) {
      // Get values from text fields
      double interest = (Double.valueOf(
        jtfAnnualInterestRate.getText())).doubleValue();
      int year =
        (Integer.valueOf(jtfNumOfYears.getText())).intValue();
      double loan =
        (Double.valueOf(jtfLoanAmount.getText())).doubleValue();
      // Create a mortgage object
      Mortgage m = new Mortgage(interest, year, loan);
      // Display monthly payment and total payment
      jtfMonthlyPayment.setText(String.valueOf(m.monthlyPayment()));
      jtfTotalPayment.setText(String.valueOf(m.totalPayment()));
class MenuDemo extends JFrame implements ActionListener {
// Text fields for Number 1, Number 2, and Result
private JTextField jtfNum1, jtfNum2, jtfResult;
// Buttons "Add", "Subtract", "Multiply" and "Divide"
private JButton jbtAdd, jbtSub, jbtMul, jbtDiv;
// Menu items "Add", "Subtract", "Multiply","Divide" and "Close"
private JMenuItem jmiAdd, jmiSub, jmiMul, jmiDiv, jmiClose;
/** Main method */
public static void main(String[] args) {
    MenuDemo frame = new MenuDemo();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.pack();
    frame.setVisible(true);
/** Default constructor */
public MenuDemo() {
    setTitle("Menu Demo");
    // Create menu bar
    JMenuBar jmb = new JMenuBar();
    // Set menu bar to the frame
    setJMenuBar(jmb);
    // Add menu "Operation" to menu bar
    JMenu operationMenu = new JMenu("Operation");
    operationMenu.setMnemonic('O');
    jmb.add(operationMenu);
    // Add menu "Exit" in menu bar
    JMenu exitMenu = new JMenu("Exit");
    exitMenu.setMnemonic('E');
    jmb.add(exitMenu);
    // Add menu items with mnemonics to menu "Operation"
    operationMenu.add(jmiAdd= new JMenuItem("Add", 'A'));
    operationMenu.add(jmiSub = new JMenuItem("Subtract", 'S'));
    operationMenu.add(jmiMul = new JMenuItem("Multiply", 'M'));
    operationMenu.add(jmiDiv = new JMenuItem("Divide", 'D'));
    exitMenu.add(jmiClose = new JMenuItem("Close", 'C'));
    // Set keyboard accelerators
    jmiAdd.setAccelerator(
      KeyStroke.getKeyStroke(KeyEvent.VK_A, ActionEvent.CTRL_MASK));
    jmiSub.setAccelerator(
      KeyStroke.getKeyStroke(KeyEvent.VK_S, ActionEvent.CTRL_MASK));
    jmiMul.setAccelerator(
      KeyStroke.getKeyStroke(KeyEvent.VK_M, ActionEvent.CTRL_MASK));
    jmiDiv.setAccelerator(
      KeyStroke.getKeyStroke(KeyEvent.VK_D, ActionEvent.CTRL_MASK));
    // Panel p1 to hold text fields and labels
    JPanel p1 = new JPanel();
    p1.setLayout(new FlowLayout());
    p1.add(new JLabel("Number 1"));
    p1.add(jtfNum1 = new JTextField(3));
    p1.add(new JLabel("Number 2"));
    p1.add(jtfNum2 = new JTextField(3));
    p1.add(new JLabel("Result"));
    p1.add(jtfResult = new JTextField(4));
    jtfResult.setEditable(false);
    // Panel p2 to hold buttons
    JPanel p2 = new JPanel();
    p2.setLayout(new FlowLayout());
    p2.add(jbtAdd = new JButton("Add"));
    p2.add(jbtSub = new JButton("Subtract"));
    p2.add(jbtMul = new JButton("Multiply"));
    p2.add(jbtDiv = new JButton("Divide"));
    // Add panels to the frame
    getContentPane().setLayout(new BorderLayout());
    getContentPane().add(p1, BorderLayout.CENTER);
    getContentPane().add(p2, BorderLayout.SOUTH);
    // Register listeners
    jbtAdd.addActionListener(this);
    jbtSub.addActionListener(this);
    jbtMul.addActionListener(this);
    jbtDiv.addActionListener(this);
    jmiAdd.addActionListener(this);
    jmiSub.addActionListener(this);
    jmiMul.addActionListener(this);
    jmiDiv.addActionListener(this);
    jmiClose.addActionListener(this);
/** Handle ActionEvent from buttons and menu items */
public void actionPerformed(ActionEvent e) {
    String actionCommand = e.getActionCommand();
    // Handle button events
    if (e.getSource() instanceof JButton) {
      if ("Add".equals(actionCommand))
        calculate('+');
      else if ("Subtract".equals(actionCommand))
        calculate('-');
      else if ("Multiply".equals(actionCommand))
        calculate('*');
      else if ("Divide".equals(actionCommand))
        calculate('/');
    else if (e.getSource() instanceof JMenuItem) {
      // Handle menu item events
      if ("Add".equals(actionCommand))
        calculate('+');
      else if ("Subtract".equals(actionCommand))
        calculate('-');
      else if ("Multiply".equals(actionCommand))
        calculate('*');
      else if ("Divide".equals(actionCommand))
        calculate('/');
      else if ("Close".equals(actionCommand))
        System.exit(0);
/** Calculate and show the result in jtfResult */
private void calculate(char operator) {
    // Obtain Number 1 and Number 2
    int num1 = (Integer.parseInt(jtfNum1.getText().trim()));
    int num2 = (Integer.parseInt(jtfNum2.getText().trim()));
    int result = 0;
    // Perform selected operation
    switch (operator) {
      case '+': result = num1 + num2;
                break;
      case '-': result = num1 - num2;
                break;
      case '*': result = num1 * num2;
                break;
      case '/': result = num1 / num2;
    // Set result in jtfResult
    jtfResult.setText(String.valueOf(result));
Original 2 button menu example....
// Exercise11_8.java: Create multiple windows
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Exercise11_8 extends JFrame implements ActionListener {
// Declare and create a frame: an instance of MenuDemo
MenuDemo calcFrame = new MenuDemo();
// Declare and create a frame: an instance of RadioButtonDemo
RadioButtonDemo lightsFrame = new RadioButtonDemo();
// Declare two buttons for displaying frames
private JButton jbtCalc;
private JButton jbtLights;
public static void main(String[] args) {
    Exercise11_8 frame = new Exercise11_8();
    frame.setSize( 400, 70 );
    frame.setTitle("Exercise 11.8: Multiple Windows Demo");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setVisible(true);
public Exercise11_8() {
    // Add buttons to the main frame
    getContentPane().setLayout(new FlowLayout());
    getContentPane().add(jbtCalc = new JButton("Simple Calculator"));
    getContentPane().add(jbtLights = new JButton("Traffic Lights"));
    // Register the main frame as listener for the buttons
    jbtCalc.addActionListener(this);
    jbtLights.addActionListener(this);
public void actionPerformed(ActionEvent e) {
    String arg = e.getActionCommand();
    if (e.getSource() instanceof JButton)
      if ("Simple Calculator".equals(arg)) {
        //show the MenuDemo frame
        jbtCalc.setText("Hide Simple Calculator");
        calcFrame.pack();
        calcFrame.setVisible(true);
      else if ("Hide Simple Calculator".equals(arg)) {
        calcFrame.setVisible(false);
        jbtCalc.setText("Simple Calculator");
      else if ("Traffic Lights".equals(arg)) {
        //show the CheckboxGroup frame
        lightsFrame.pack();
        jbtLights.setText("Hide Traffic Lights");
        lightsFrame.setVisible(true);
      else if ("Hide Traffic Lights".equals(arg)) {
        lightsFrame.setVisible(false);
        jbtLights.setText("Traffic Lights");
     class RadioButtonDemo extends JFrame
implements ItemListener {
// Declare radio buttons
private JRadioButton jrbRed, jrbYellow, jrbGreen;
// Declare a radio button group
private ButtonGroup btg = new ButtonGroup();
// Declare a traffic light display panel
private Light light;
/** Main method */
public static void main(String[] args) {
    RadioButtonDemo frame = new RadioButtonDemo();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setSize(250, 170);
    frame.setVisible(true);
/** Default constructor */
public RadioButtonDemo() {
    setTitle("RadioButton Demo");
    // Add traffic light panel to panel p1
    JPanel p1 = new JPanel();
    p1.setSize(200, 200);
    p1.setLayout(new FlowLayout(FlowLayout.CENTER));
    light = new Light();
    light.setSize(40, 90);
    p1.add(light);
    // Put the radio button in Panel p2
    JPanel p2 = new JPanel();
    p2.setLayout(new FlowLayout());
    p2.add(jrbRed = new JRadioButton("Red", true));
    p2.add(jrbYellow = new JRadioButton("Yellow", false));
    p2.add(jrbGreen = new JRadioButton("Green", false));
    // Set keyboard mnemonics
    jrbRed.setMnemonic('R');
    jrbYellow.setMnemonic('Y');
    jrbGreen.setMnemonic('G');
    // Group radio buttons
    btg.add(jrbRed);
    btg.add(jrbYellow);
    btg.add(jrbGreen);
    // Place p1 and p2 in the frame
    getContentPane().setLayout(new BorderLayout());
    getContentPane().add(p1, BorderLayout.CENTER);
    getContentPane().add(p2, BorderLayout.SOUTH);
    // Register listeners for check boxes
    jrbRed.addItemListener(this);
    jrbYellow.addItemListener(this);
    jrbGreen.addItemListener(this);
/** Handle checkbox events */
public void itemStateChanged(ItemEvent e) {
    if (jrbRed.isSelected())
      light.turnOnRed(); // Set red light
    if (jrbYellow.isSelected())
      light.turnOnYellow(); // Set yellow light
    if (jrbGreen.isSelected())
      light.turnOnGreen(); // Set green light
// Three traffic lights shown in a panel
class Light extends JPanel {
private boolean red;
private boolean yellow;
private boolean green;
/** Default constructor */
public Light() {
    turnOnGreen();
/** Set red light on */
public void turnOnRed() {
    red = true;
    yellow = false;
    green = false;
    repaint();
/** Set yellow light on */
public void turnOnYellow() {
    red = false;
    yellow = true;
    green = false;
    repaint();
/** Set green light on */
public void turnOnGreen() {
    red = false;
    yellow = false;
    green = true;
    repaint();
/** Display lights */
public void paintComponent(Graphics g) {
    super.paintComponent(g);
    if (red) {
      g.setColor(Color.red);
      g.fillOval(10, 10, 20, 20);
      g.setColor(Color.black);
      g.drawOval(10, 35, 20, 20);
      g.drawOval(10, 60, 20, 20);
      g.drawRect(5, 5, 30, 80);
    else if (yellow) {
      g.setColor(Color.yellow);
      g.fillOval(10, 35, 20, 20);
      g.setColor(Color.black);
      g.drawRect(5, 5, 30, 80);
      g.drawOval(10, 10, 20, 20);
      g.drawOval(10, 60, 20, 20);
    else if (green) {
      g.setColor(Color.green);
      g.fillOval(10, 60, 20, 20);
      g.setColor(Color.black);
      g.drawRect(5, 5, 30, 80);
      g.drawOval(10, 10, 20, 20);
      g.drawOval(10, 35, 20, 20);
    else {
      g.setColor(Color.black);
      g.drawRect(5, 5, 30, 80);
      g.drawOval(10, 10, 20, 20);
      g.drawOval(10, 35, 20, 20);
      g.drawOval(10, 60, 20, 20);
/** Set preferred size */
public Dimension getPreferredSize() {
    return new Dimension(40, 90);
class MenuDemo extends JFrame implements ActionListener {
// Text fields for Number 1, Number 2, and Result
private JTextField jtfNum1, jtfNum2, jtfResult;
// Buttons "Add", "Subtract", "Multiply" and "Divide"
private JButton jbtAdd, jbtSub, jbtMul, jbtDiv;
// Menu items "Add", "Subtract", "Multiply","Divide" and "Close"
private JMenuItem jmiAdd, jmiSub, jmiMul, jmiDiv, jmiClose;
/** Main method */
public static void main(String[] args) {
    MenuDemo frame = new MenuDemo();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.pack();
    frame.setVisible(true);
/** Default constructor */
public MenuDemo() {
    setTitle("Menu Demo");
    // Create menu bar
    JMenuBar jmb = new JMenuBar();
    // Set menu bar to the frame
    setJMenuBar(jmb);
    // Add menu "Operation" to menu bar
    JMenu operationMenu = new JMenu("Operation");
    operationMenu.setMnemonic('O');
    jmb.add(operationMenu);
    // Add menu "Exit" in menu bar
    JMenu exitMenu = new JMenu("Exit");
    exitMenu.setMnemonic('E');
    jmb.add(exitMenu);
    // Add menu items with mnemonics to menu "Operation"
    operationMenu.add(jmiAdd= new JMenuItem("Add", 'A'));
    operationMenu.add(jmiSub = new JMenuItem("Subtract", 'S'));
    operationMenu.add(jmiMul = new JMenuItem("Multiply", 'M'));
    operationMenu.add(jmiDiv = new JMenuItem("Divide", 'D'));
    exitMenu.add(jmiClose = new JMenuItem("Close", 'C'));
    // Set keyboard accelerators
    jmiAdd.setAccelerator(
      KeyStroke.getKeyStroke(KeyEvent.VK_A, ActionEvent.CTRL_MASK));
    jmiSub.setAccelerator(
      KeyStroke.getKeyStroke(KeyEvent.VK_S, ActionEvent.CTRL_MASK));
    jmiMul.setAccelerator(
      KeyStroke.getKeyStroke(KeyEvent.VK_M, ActionEvent.CTRL_MASK));
    jmiDiv.setAccelerator(
      KeyStroke.getKeyStroke(KeyEvent.VK_D, ActionEvent.CTRL_MASK));
    // Panel p1 to hold text fields and labels
    JPanel p1 = new JPanel();
    p1.setLayout(new FlowLayout());
    p1.add(new JLabel("Number 1"));
    p1.add(jtfNum1 = new JTextField(3));
    p1.add(new JLabel("Number 2"));
    p1.add(jtfNum2 = new JTextField(3));
    p1.add(new JLabel("Result"));
    p1.add(jtfResult = new JTextField(4));
    jtfResult.setEditable(false);
    // Panel p2 to hold buttons
    JPanel p2 = new JPanel();
    p2.setLayout(new FlowLayout());
    p2.add(jbtAdd = new JButton("Add"));
    p2.add(jbtSub = new JButton("Subtract"));
    p2.add(jbtMul = new JButton("Multiply"));
    p2.add(jbtDiv = new JButton("Divide"));
    // Add panels to the frame
    getContentPane().setLayout(new BorderLayout());
    getContentPane().add(p1, BorderLayout.CENTER);
    getContentPane().add(p2, BorderLayout.SOUTH);
    // Register listeners
    jbtAdd.addActionListener(this);
    jbtSub.addActionListener(this);
    jbtMul.addActionListener(this);
    jbtDiv.addActionListener(this);
    jmiAdd.addActionListener(this);
    jmiSub.addActionListener(this);
    jmiMul.addActionListener(this);
    jmiDiv.addActionListener(this);
    jmiClose.addActionListener(this);
/** Handle ActionEvent from buttons and menu items */
public void actionPerformed(ActionEvent e) {
    String actionCommand = e.getActionCommand();
    // Handle button events
    if (e.getSource() instanceof JButton) {
      if ("Add".equals(actionCommand))
        calculate('+');
      else if ("Subtract".equals(actionCommand))
        calculate('-');
      else if ("Multiply".equals(actionCommand))
        calculate('*');
      else if ("Divide".equals(actionCommand))
        calculate('/');
    else if (e.getSource() instanceof JMenuItem) {
      // Handle menu item events
      if ("Add".equals(actionCommand))
        calculate('+');
      else if ("Subtract".equals(actionCommand))
        calculate('-');
      else if ("Multiply".equals(actionCommand))
        calculate('*');
      else if ("Divide".equals(actionCommand))
        calculate('/');
      else if ("Close".equals(actionCommand))
        System.exit(0);
/** Calculate and show the result in jtfResult */
private void calculate(char operator) {
    // Obtain Number 1 and Number 2
    int num1 = (Integer.parseInt(jtfNum1.getText().trim()));
    int num2 = (Integer.parseInt(jtfNum2.getText().trim()));
    int result = 0;
    // Perform selected operation
    switch (operator) {
      case '+': result = num1 + num2;
                break;
      case '-': result = num1 - num2;
                break;
      case '*': result = num1 * num2;
                break;
      case '/': result = num1 / num2;
    // Set result in jtfResult
    jtfResult.setText(String.valueOf(result));
Mortgage applet code....
// MortgageApplet.java: Applet for computing mortgage payments
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.TitledBorder;
public class MortgageApplet extends JApplet
implements ActionListener {
// Declare and create text fields for interest rate
// year, loan amount, monthly payment, and total payment
private JTextField jtfAnnualInterestRate = new JTextField();
private JTextField jtfNumOfYears = new JTextField();
private JTextField jtfLoanAmount = new JTextField();
private JTextField jtfMonthlyPayment = new JTextField();
private JTextField jtfTotalPayment = new JTextField();
// Declare and create a Compute Mortgage button
private JButton jbtComputeMortgage = new JButton("Compute Mortgage");
/** Initialize user interface */
public void init() {
    // Set properties on the text fields
    jtfMonthlyPayment.setEditable(false);
    jtfTotalPayment.setEditable(false);
    // Right align text fields
    jtfAnnualInterestRate.setHorizontalAlignment(JTextField.RIGHT);
    jtfNumOfYears.setHorizontalAlignment(JTextField.RIGHT);
    jtfLoanAmount.setHorizontalAlignment(JTextField.RIGHT);
    jtfMonthlyPayment.setHorizontalAlignment(JTextField.RIGHT);
    jtfTotalPayment.setHorizontalAlignment(JTextField.RIGHT);
    // Panel p1 to hold labels and text fields
    JPanel p1 = new JPanel();
    p1.setLayout(new GridLayout(5, 2));
    p1.add(new Label("Annual Interest Rate"));
    p1.add(jtfAnnualInterestRate);
    p1.add(new Label("Number of Years"));
    p1.add(jtfNumOfYears);
    p1.add(new Label("Loan Amount"));
    p1.add(jtfLoanAmount);
    p1.add(new Label("Monthly Payment"));
    p1.add(jtfMonthlyPayment);
    p1.add(new Label("Total Payment"));
    p1.add(jtfTotalPayment);
    p1.setBorder(new
      TitledBorder("Enter interest rate, year and loan amount"));
    // Panel p2 to hold the button
    JPanel p2 = new JPanel();
    p2.setLayout(new FlowLayout(FlowLayout.RIGHT));
    p2.add(jbtComputeMortgage);
    // Add the components to the applet
    getContentPane().add(p1, BorderLayout.CENTER);
    getContentPane().add(p2, BorderLayout.SOUTH);
    // Register listener
    jbtComputeMortgage.addActionListener(this);
/** Handle the "Compute Mortgage" button */
public void actionPerformed(ActionEvent e) {
    if (e.getSource() == jbtComputeMortgage) {
      // Get values from text fields
      double interest = (Double.valueOf(
        jtfAnnualInterestRate.getText())).doubleValue();
      int year =
        (Integer.valueOf(jtfNumOfYears.getText())).intValue();
      double loan =
        (Double.valueOf(jtfLoanAmount.getText())).doubleValue();
      // Create a mortgage object
      Mortgage m = new Mortgage(interest, year, loan);
      // Display monthly payment and total payment
      jtfMonthlyPayment.setText(String.valueOf(m.monthlyPayment()));
      jtfTotalPayment.setText(String.valueOf(m.totalPayment()));
}

Does it have to be an applet?
If you want the same behaviour as in the code with traffic lights, change
class MortgageApplet extends JApplet implements ActionListener {
to
class MortgageApplet extends JFrame implements ActionListener {
and change
public void init() {
to
public MortgageApplet() {

This is a test. Please do not reply to this post

This is a test. Please do not reply to this post.
Sorry everyone, I'm not able to post to the Safari category and I'm testing this category.

Okay this worked, so why am I not able to post to the Safari for Mac category?

The version of GroupWise you are using cannot access this post office

I built a new Server and added it to my PCSD Tree. The new server name is
GroupWise and has an IP Address of 10.10.0.13.
I followed the GroupWise 7 Installation Guide and installed GroupWise to
this server. At no point did I find any place to enter the GroupWise
License.
During the install I discovered that 4 of my long time employees were not
able to be assigned to this new GroupWise server. It appears that a one
time (Long time ago) these 4 employees were part of an old GroupWise Mail
server that must have been removed. I can not find any reference to this
old GroupWise server. My thought is to delete the accounts for there 4
users and recreate the accounts.
However the larger problem is this: I can not login to the GroupWise
Server. Below are two screen shots of what I’m getting when I
launch the GroupWise 7 Client. When I look at the .NLM loaded on the
Server for GroupWise MTA 7.0 it shows Domain Total=1 Closed=0, Post
Offices Total=1 Closed=1, Gateways Total=0 Closed=0.
On the Client, when I launch GroupWise, The Novell GroupWise Startup has a
message in the message window “The version of GroupWise you are
using cannot access this post office”. Then after clicking OK three
times, the following message appears on the screen “GroupWise did
not initialize successfully, Please run GroupWise Setup, or contact your
system administrator. Unspecified error OLE Error 80004005

*During the install I discovered that 4 of my long time employees were not
able to be assigned to this new GroupWise server. It appears that a one
time (Long time ago) these 4 employees were part of an old GroupWise Mail
server that must have been removed. I can not find any reference to this
old GroupWise server. My thought is to delete the accounts for there 4
users and recreate the accounts.
**You need to disassociate these four NDS users from any GW attributes.
Right-click each user in C1, GroupWise Utilities->GW / eDirectory
Association->Disassociate GroupWise Attributes.
*** When I do as instructed I get the following error:
[username] is missing the following attribute: NGW: Post Office
~~~~~~~~~~~~~~~~~~~~~~~~
*GroupWise MTA 7.0 it shows Domain Total=1 Closed=0, Post
Offices Total=1 Closed=1, Gateways Total=0 Closed=0.
**If the post office is closed, you need to determine why this is. On the
MTA, hit F10, Configuration Status, highlight your PO and hit enter,
select details, then look at the last closure reason.
*** Last Closure Reason= Missing or incomplete address information
[ When I installed GroupWise, I wanted all the e-mail to be stored on the
EMAIL Volume. During the install, I Changed the Install Directory to
\Groupwiseemail. After the install I have two directories in this volume.
One called DOMAIN and the other called PCAM (PCAM is name of my domain).
~~~~~~~~~~~~~~~~~~~~~~~~
*On the Client, when I launch GroupWise, The Novell GroupWise Startup has
a message in the message window 'The version of GroupWise you are
using cannot access this post office'.
**What version of GroupWise is on the server and what version client are
you
using? Also, if you pull up the properties of both the domain and post
office in C1 what is the database version listed as?
*** I installed GroupWise 7 both Server and Client. I'm thinking this is
due to the Post Office being closed. I only have 1 Post Office.
Thank You;
Lewis

How to attach files to the thread we post in this forum?

How to attach files to the thread we post in this forum?
I’m wondering why there is no feature that allows attaching files from our hard drives! It is not practical to upload our file first in a certain web to provide it as a link in the post.
Is there a way to attach our files directly from our hard drive to the post?
Please, have a look on the screenshot below that shows a forum which includes all the very basic features!
Thank you for the help
Best
Jamal

Pierre,
Just a guess on my part, but I would suspect non-image files in this case.
As Ted points out, that WAS possible early on, and then the capbility to attach non-image files, was actually retained by a certain few forums, though not for long. This change was coincidental with a major spam attack, and at least one disgruntled user attempting to attach some rather nasty "stuff." I do ot know if those events prompted the change, as I was not part of the decision making group, that initiated the change.
Though 95% of the files that I wish to attach, ARE image files, there are times, where a TXT file would be ideal, say for a crash log, or similar. Now, I can convert that TXT to a PNG, but then one has to work with pixel x pixel dimensions, and some files, like those crash logs, can be rather long.
Personally, I find the loss of the Attach File (was via a button at the bottom-left of the editing screen) to be a sad comment on the actions of some, on these forums, but then that just reflects life outside of the forums.
Hunt
PS - I am glad that you found that little article useful Especially in the PS, PrPro, PrE and Encore forums, screen-caps can tell so very much about what is going on with a person's program, system or their Projects/Images.

Tried the solutions posted for this "SubVI filter not executable. Undefined error" but not solving the problem

Hello,
I am trying to use a lowpass filter for my application but getting the error "SubVI filter not executable. Undefined error".I tried working with the solutions at this post
http://forums.ni.com/t5/LabVIEW/SubVI-filter-not-executable-Undefined-error/m-p/1996701#M657751 and results with
1. Create a blank vi, put a VI filter in the block diagram (this should not be functional as it is not wired), copy it and paste it in my other project. I believe if the filter is the first vi of a blank project, it is funcitonal and then you may copy it wherever you need to.
Result:
2.Tried to open the filter panel of the Filter but showing the same error as shown inthe below image
Don't why the solutions worked for others are not working.Can someone suggest a solution for this.
thanks in advance.

Hi PatanGova,
Very strange error. Actually, there are no required inputs on this express VI, so it should be able to run even without wires. It is not correct as you said: "this should not be functional as it is not wired". Nothing will happen, true, but the run arrow should not be broken.
For some reason, the VI with the Filter express VI fails to compile. I tried it on my computer (LV 2013) and get no error when I add it to a new VI. As was suggested in the linked forum thread, you need to open the front panel of the Filter VI and run it to see the explicit error.
If you do, do you also get the error:
"This VI claims to be part of a library that does not include the VI. The VI might have been deleted from the library. Add the VI to the library again or select File - Disconnect from the library."?
If you do, it seems that you may have a project library somewhere that has taken ownership of the express VI. The ownership prevents you from running or editing the express VI. To free the VI, you need to do one of two things. Either, you need to load the library into memory, or you need to disconnect the VI from the library. Either way, you need to find the project library that has taken the ownership of the VI. As soon as it is released, it should run for you. You release it by selecting File»Disconnect from Library on the VI.
The workaround described in your link (and also here: http://forums.ni.com/t5/LabVIEW/compatibility-problem-labview-2009-2010-2011-quot-This-VI-claims/td-... tells that you can make a copy of the VI and thereby create another instance that is free. This solution may work for you as well, but if not, you may not have created the copy properly. Maybe your copy of the VI also became part of some project library that took ownership. In either way, you should rather find the project library to release the VI before trying the workaround to copy it.
If project library ownership is not the problem, maybe the problem is connected to LV 2011, as most forum posters report that it only happens here.

Report this post ?

Today I just noticed a link at the bottom of posts that says "report this post". I became level 2 two days ago, and am wondering if this is new to level 2 users, or if it is new to all users as of today (march 1st). I didn't notice this yesterday, but I have been known to miss things...

818/3264
Hi maciscool,
(I agree with your name
Yes, this ancient feature was disabled until last week, that's why you didn't notice it.
Also, I'm not sure it is available to Level 1 members.
Axl

Why a lot of this posts in this thread ? I don't understand

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