Question

Can you please help me to run this Java program? I have no idea why it is not running.

import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.text.DecimalFormat;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.ListSelectionModel;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
@SuppressWarnings({"unchecked", "rawtypes"})

public class SmartPhonePackages extends JFrame
{
private static final long serialVersionID= 6548829860028144965L;

private static final int windowWidth = 400;
private static final int windowHeight = 200;
private static final double SalesTax = 1.06;

private static JPanel panel;
private static JLabel lblPackages;
private static JLabel lblPhones;
private static JLabel lblOptions;
private static JLabel lblTotalls;
private static JLabel lblOutPutTotalls;
private static JComboBox cmbPackages;
private static JComboBox cmbCellPhones;
private static JList lstOptions;

private static String[] array = {
"8 gigabytes per month: 45.00 per"
+"month","16 gigabytes per month:65.00 per month"
+ "month", "20 gigabytes per"
+ "month: $99.00 per month"
};

private static String[] ArraySmartPhone =
{
"Model 100: $299.95",
"Model 110: $399.95",
"Model 200: $499.95"
};

private static String[] ArrayOptions =
{
"Phone Replacement Insurance: $5.00 per"
+ "month", "Wifi Hotspot Capability: $10.00 per month"
};

private DecimalFormat df = new DecimalFormat("#0.00");
private static double packageTotal;
private static double phoneTotal;
private static double optionTotal;

//Creating public constructor
public SmartPhonePackages()
{
//create a new window
JFrame window = new Jframe();

// Displaying the title
window.setTitle("Cell Phone Packages");

//Setting the size of the window
window.setTitle("Smart Phone Packages");

//Setting the size of the widnow
window.setSize(windowWidth, windowHeight);

//Close button
window.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);

//Building the panel and adding it to the frame
buildpanel();

//Adding the panel to the frame's content
window.add(panel);

//displaying window
windows.setVisible(true);
}

private void buildPanel()
{
lblPackages = new JLabel ("Select package:");
lblPhones = new JLabel ("Select cell phone:");
lblOptions = new JLabel ("select your options");
lblTotals = new Jlabel ("total:");
lblOutputTotal = new JLabel();

//Creating combo boxes
cmbPackages = new JComboBOX(array);
cmbCellPhones = new JComboBox(ArraySmartPhone);

lstOptions = new JList(ArrayOptions);
lstOptions.setSelectionMode (ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);

cmbPackages.AddActionListener (new packageListener());
cmbCellPhones.AddActionListener (new phoneListener());
lstOptions.AddListSelectionListener ( new optionsListerner());

panel = new Jpanel();

//Adding the components to the objects
panel.setLayout(new GridLayout(4.2));
panel.add(lblPakcages);
panel.add(cmbPackages);
panel.add(lblPhones);
panel.add(cmbCellPhones);
panel.add(lblOptions);
panel.add(lstOptions);
panel.add(lblTotalls);
panel.add(lblOutputTotal);
}

public class packageListener implements
ActionListener
{
@Override
public void ActionPerformed(ActionEvent e)
{
//collecting the data

int packageSelected = cmbPackages.getSelectedIndex();

if (packageSelected == 0)
{
packageTotal = 45;
}
else if (packageSelected ==1)
{
packageTotal = 65;
}
else if(packageSelected ==2 )
{
packageTotal = 99;
}

//Displaying total

lblOutputTotal.setText("$" + df.format(optionTotal + packageTotal + phoneTotal));
}
}

public class phoneListener implements
ActionListener
{
@override
public void actionPerformed(ActionEvent e)
{
int phoneSelected = cmbCellPhones.getSelectedIndex();

if (phoneSelected == 0)
{
phoneTotal = 299.95;
}
else if (phoneSelected == 1)
{
phoneTotal = 399.99;
}
else if (phoneSelected ==2)
{
phoneTotal = 499.95;
}

//calc sales tax

phoneTotal *= SalesTax;

//Displaying total
lblOutputTotal.setText("$" +df.format(optionTotal + packageTotal
+phoneTotal));
}
}

public class optionsListener implements
ListSelectionListener { public void valueChanged (ListSelectionEvent e)
{
double temp = 0;
int optionSelected[] = lstOpetions.getSelectedIndices();
for (int i = 0; i < optionSelected.length; i++)
{
if (optionSelected[i] == 0)
{
temp += 5;
}
if (optionSelected[i] == 1)
{
temp += 10;
}
}
optionTotal = temp;
lblOutputTotal.setText("$" + df.format(optionTotal + packageTotal + phoneTotal));
}
}
}

public static void main(String[] args) {
launch(args);
}
}

Answer 1

Java code after removing errors:

============================================================================================

import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.text.DecimalFormat;

import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.ListSelectionModel;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
@SuppressWarnings({"unchecked", "rawtypes"})

public class SmartPhonePackages extends JFrame
{
private static final long serialVersionID= 6548829860028144965L;

private static final int windowWidth = 800;
private static final int windowHeight = 200;
private static final double SalesTax = 1.06;

private static JPanel panel;
private static JLabel lblPackages;
private static JLabel lblPhones;
private static JLabel lblOptions;
private static JLabel lblTotalls;
private static JLabel lblOutPutTotalls;
private static JComboBox cmbPackages;
private static JComboBox cmbCellPhones;
private static JList lstOptions;

private static String[] array = {
"8 gigabytes per month: 45.00 per"
+"month","16 gigabytes per month:65.00 per month"
+ "month", "20 gigabytes per"
+ "month: $99.00 per month"
};

private static String[] ArraySmartPhone =
{
"Model 100: $299.95",
"Model 110: $399.95",
"Model 200: $499.95"
};

private static String[] ArrayOptions =
{
"Phone Replacement Insurance: $5.00 per"
+ "month", "Wifi Hotspot Capability: $10.00 per month"
};

private DecimalFormat df = new DecimalFormat("#0.00");
private static double packageTotal;
private static double phoneTotal;
private static double optionTotal;

//Creating public constructor
public SmartPhonePackages()
{
//create a new window
JFrame window = new JFrame();

// Displaying the title
window.setTitle("Cell Phone Packages");

//Setting the size of the window
window.setTitle("Smart Phone Packages");

//Setting the size of the widnow
window.setSize(windowWidth, windowHeight);

//Close button
window.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);

//Building the panel and adding it to the frame
buildPanel();

//Adding the panel to the frame's content
window.add(panel);

//displaying window
window.setVisible(true);
}

private void buildPanel()
{
lblPackages = new JLabel ("Select package:");
lblPhones = new JLabel ("Select cell phone:");
lblOptions = new JLabel ("select your options");
lblTotalls = new JLabel ("total:");
lblOutPutTotalls = new JLabel();

//Creating combo boxes
cmbPackages = new JComboBox(array);
cmbCellPhones = new JComboBox(ArraySmartPhone);

lstOptions = new JList(ArrayOptions);
lstOptions.setSelectionMode (ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);

cmbPackages.addActionListener (new packageListener());
cmbCellPhones.addActionListener (new phoneListener());
lstOptions.addListSelectionListener ( new optionsListener());

panel = new JPanel();

//Adding the components to the objects
panel.setLayout(new GridLayout());
panel.add(lblPackages);
panel.add(cmbPackages);
panel.add(lblPhones);
panel.add(cmbCellPhones);
panel.add(lblOptions);
panel.add(lstOptions);
panel.add(lblTotalls);
panel.add(lblOutPutTotalls);
}

public class packageListener implements ActionListener
{
@Override
public void actionPerformed(ActionEvent e)
{
//collecting the data

int packageSelected = cmbPackages.getSelectedIndex();

if (packageSelected == 0)
{
packageTotal = 45;
}
else if (packageSelected ==1)
{
packageTotal = 65;
}
else if(packageSelected ==2 )
{
packageTotal = 99;
}

//Displaying total

lblOutPutTotalls.setText("$" + df.format(optionTotal + packageTotal + phoneTotal));
}
}

public class phoneListener implements ActionListener
{
@Override
public void actionPerformed(ActionEvent e)
{
int phoneSelected = cmbCellPhones.getSelectedIndex();

if (phoneSelected == 0)
{
phoneTotal = 299.95;
}
else if (phoneSelected == 1)
{
phoneTotal = 399.99;
}
else if (phoneSelected ==2)
{
phoneTotal = 499.95;
}

//calc sales tax

phoneTotal *= SalesTax;

//Displaying total
lblOutPutTotalls.setText("$" +df.format(optionTotal + packageTotal
+phoneTotal));
}
}

public class optionsListener implements ListSelectionListener
{
   public void valueChanged (ListSelectionEvent e)
{
double temp = 0;
int optionSelected[] = lstOptions.getSelectedIndices();
for (int i = 0; i < optionSelected.length; i++)
{
if (optionSelected[i] == 0)
{
temp += 5;
}
if (optionSelected[i] == 1)
{
temp += 10;
}
}
optionTotal = temp;
lblOutPutTotalls.setText("$" + df.format(optionTotal + packageTotal + phoneTotal));
}
}

public static void main(String[] args) {
new SmartPhonePackages();
}
}

============================================================================================

Output