Complete the Pseudocode (refresh from chapter 1) and the UML diagram (refresh fr

ID: 3855908 • Letter: C

Question

Complete the Pseudocode (refresh from chapter 1) and the UML diagram (refresh from chapter 6) for a programming challenge (other than programming challenge 1) from the end of chapter 12.

Q-2 Joe's automotive perform the following routine maintance services:

oil change - $26.00

lube job - $18.00

Radiator flush - $30.00

Transmission flush - $80.00

Inspection - $15.00

Tire rotation - $20.00

Joe also perform other nonroutine service and charges for parts and for labor ($20 per hours). Create a GUI application that displays the total for a customer's visit to Joe's.

Program:

//This is For the services part
import java.awt.*;
import javax.swing.*;
public class Service extends JPanel
{
// The following constants are used to indicate
// the cost of services for automotive.
public final double oilchange = 26.00;
public final double lubejob = 18.00;
public final double radiatorflush = 30.00;
public final double transmissionflush = 80.00;
public final double inspection= 15.00;
public final double mufflerreplacement = 100.00;
public final double tirerotation = 20.00;
// for text field.
private JTextField calcTextField;
// check boxes listed for the available services.
private JCheckBox oilchange;
private JCheckBox lubejob;
private JCheckBox radiatorflush;
private JCheckBox transmissionflush;
private JCheckBox inspection;
private JCheckBox mufflerreplacement;
private JCheckBox tirerotation;

// Constructor

public Service()
{

// gridlayout with seven rows and one column.
setLayout(new GridLayout(7,1 ));

// Create the check boxes.
oilchange = new JCheckBox("Oil Change ($26.00)");

lubejob = new JCheckBox("Lube Job ($18.00)");

radiatorflush = new JCheckBox("Radiator Flush ($30.00)");

transmissionflush = new JCheckBox("Transmission Flush ($80.00)");

inspection = new JCheckBox("Inspection ($15.00)");

mufflerreplacement = new JCheckBox("Muffler Replacement ($100.00)");

tirerotation = new JCheckBox("Tire Rotation ($20.00)");

// Add a border around the panel.
setBorder(BorderFactory.createTitledBorder("Routine Services"));

// Add the check boxes to this panel.

add(oilchange);

add(lubejob);

add(radiatorflush);

add(transmissionflush);

add(inspection);

add(mufflerreplacement);

add(tirerotation);
}

//This method returns the cost of the selected services.

public double actionCalculate()
{
double total = 0;
if(oilchange.isSelected())
total = total + oilchange;

if(lubejob.isSelected())
total = total + lubejob;

if(radiatorflush.isSelected())
total = total + radiatorflush;

if(transmissionflush.isSelected())
total = total + transmissionflush;

if(Inspection.isSelected())
total = total + inspection;

if(mufflerreplacement.isSelected())
total = total + mufflerreplacement;

if(tirerotation.isSelected())
total = total + tirerotation;
return total;

}
}

//This for NonRoutine Services
import java.awt.*;
import javax.swing.*;
public class NonService extends JPanel
{
public final double perhourcharge = 20.00; //per hour labor cost
private JLabel partslabel; //references parts charges label
private JLabel laborlabel; //references hours of labor label
private JTextField partsTextField; //references parts charges text field
private JTextField laborTextField; //references hours of labor text field
private JPanel panel;
public NonService()
{
//Create labels
partsLabel = new JLabel("Parts Charges:");
laborLabel = new JLabel("Hours of Labor:");

// Create the text Fields
partsTextField = new JTextField(10);
laborTextField = new JTextField(10);

// Add a border around the panel
setBorder(BorderFactory.createTitledBorder("Nonroutine services"));

add(partsLabel);
add(partsTextField);
add(laborLabel);
add(laborTextField);

panel = new JPanel();
panel.setLayout(new GridLayout(3,2));
setLayout(new GridLayout(2, 2));
}
}

//This calculates everthing and creates the GUI App

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

//The CalculatorGUI class creates the GUI for joe's automotive application.

public class CalculatorGUI extends JFrame
{

// custom panel objects.

//services part.
private Service sc;
private NonService ns;

// The following variables will reference objects

private JPanel buttonPanel;
private JButton calcButton;
private JButton exitButton;

// Constructor

public CalculatorGUI()
{
// Display title.
super("Joe's Automotive");
setLocationRelativeTo(null);
// Specify an action for the close button.
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

// Create a BorderLayout manager for
// the content pane.
setLayout(new BorderLayout());

// Create the custom panels.
sc = new Service();
ns = new NonService();

// Call the buildButtonPanel method to
// create the button panel.
buildButtonPanel();

// Add the components to the content pane.
add(sc, BorderLayout.NORTH);

add(ns, BorderLayout.SOUTH);

// Pack the contents of the window and display it.
pack();
setVisible(true);
}

//The buildbuttonpanel method builds the button panel.

private void buildButtonPanel()
{
// Create a panel for the buttons.
buttonPanel = new JPanel();

// Create the buttons.
calcButton = new JButton("Calculate Charges");
exitButton = new JButton("Exit");

// Register the action listeners.
calcButton.addActionListener(new CalcButtonListener());
exitButton.addActionListener(new ExitButtonListener());

// Add the buttons to the button panel.
buttonPanel.add(calcButton);
buttonPanel.add(exitButton);

}

// Private inner class that handles the event when the user clicks the Calculate button.

private class CalcButtonListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
{

double total; // The total of order

// Calculate the subtotal.
total = sc.actionCalculate() +
ns.getNonroutineServicesCost();

// creating a decimalformat object to format

DecimalFormat dollar = new DecimalFormat("0.00");

// Display the charges.
JOptionPane.showMessageDialog(null, "Total: $" +
dollar.format(total) );

}
}

// private inner class that handles the event when the user clicks the exit button.

private class ExitButtonListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
{

System.exit(0);
}
}
public static void main(String args[])

{

new CalculatorGUI();

}

Explanation / Answer

Public Class Form1 002 ' This application calculates the total order for services, parts and labor 003 ' at Joe's Automotive. This application uses several functions to calculate the total cost. 004 Const decTAX_RATE As Decimal = 0.06D ' Tax rate on parts 005 006 Private Sub btnCalculate_Click(ByVal sender As System.Object, ByVal e AsSystem.EventArgs) Handles btnCalculate.Click 007 ' This proedure calculates the total of an order. 008 009 Dim decServicesLabor As Decimal ' Holds the labor and services total 010 Dim decParts As Decimal ' holds the parts order 011 Dim decTax As Decimal ' holds the tax on parts 012 Dim decTotal As Decimal ' holds the order total 013 014 decServicesLabor = OilLubeCharges() + FlushCharges() + MiscCharges() + OtherCharges() 015 decParts = PartsCost() 016 decTax = CalcTax(decParts) 017 decTotal = decServicesLabor + decTax 018 019 lblServicesLabor.Text = decServicesLabor.ToString("c") 020 lblParts.Text = decParts.ToString("c") 021 lblTax.Text = decTax.ToString("c") 022 lblTotal.Text = decTotal.ToString("c") 023 024 End Sub 025 026 Function PartsIsValid() As Boolean 027 ' Declare a value to temporarily hold the parts value. 028 Dim decTempValue As Decimal 029 If Not Decimal.TryParse(txtParts.Text, decTempValue) Then 030 MessageBox.Show("Enter a numeric value for the parts cost.") 031 Return False 032 End If 033 If decTempValue < 0 Then 034 MessageBox.Show("Enter a positive value for the parts cost.") 035 End If 036 037 ' If we have made it this far, the value is valid, so return true. 038 Return True 039 End Function 040 Function LaborIsValid() As Boolean 041 ' Declare a value to temporarily hold the labor value. 042 Dim decTempValue2 As Decimal 043 If Not Decimal.TryParse(txtLabor.Text, decTempValue2) Then 044 MessageBox.Show("Enter a numeric value for the labor cost.") 045 Return False 046 End If 047 048 If decTempValue2 < 0 Then 049 MessageBox.Show("Enter a positive value for the labor cost.") 050 End If 051 ' If we have made it this far, the value is valid, so return true. 052 Return True 053 End Function 054 055 056 Private Sub btnClear_Click(ByVal sender As System.Object, ByVal e AsSystem.EventArgs) Handles btnClear.Click 057 ' This procedure resets the controls to default values 058 059 ResetOilLubeCharges() 060 ResetFlushCharges() 061 ResetMiscCharges() 062 ' Clears the text Boxes in the Parts and Labor box 063 txtParts.Text = "" 064 txtLabor.Text = "" 065 ' Clears the boxes in the Summary Box. 066 lblServicesLabor.Text = "" 067 lblTax.Text = "" 068 lblParts.Text = "" 069 lblTotal.Text = "" 070 071 End Sub 072 073 Private Sub btnExit_Click(ByVal sender As System.Object, ByVal e AsSystem.EventArgs) Handles btnExit.Click 074 ' End the application. 075 Me.Close() 076 End Sub 077 Function OilLubeCharges() As Decimal 078 'This function returns the cost of the Oil and Lube Charges. 079 080 Dim decCostOfOilLube As Decimal = 0 081 082 If chkOilChange.Checked = True Then 083 decCostOfOilLube += 26D 084 End If 085 If chkLubeJob.Checked = True Then 086 decCostOfOilLube += 18D 087 End If 088 Return decCostOfOilLube 089 End Function 090 Function FlushCharges() As Decimal 091 ' This function returns the cost of the Flush Charges. 092 093 Dim decCostOfFlush As Decimal = 0 094 095 If chkRadiatorFlush.Checked = True Then 096 decCostOfFlush += 30D 097 End If 098 If chkTransmissionFlush.Checked = True Then 099 decCostOfFlush += 80D 100 End If 101 Return decCostOfFlush 102 End Function 103 Function MiscCharges() As Decimal 104 ' This function returns the cost of misc. 105 Dim decCostOfMisc As Decimal = 0 106 107 If chkInspection.Checked = True Then 108 decCostOfMisc += 15D 109 End If 110 If chkReplaceMuffler.Checked = True Then 111 decCostOfMisc += 100D 112 End If 113 If chkTireRotation.Checked = True Then 114 decCostOfMisc += 20D 115 End If 116 Return decCostOfMisc 117 End Function 118 Function PartsCost() As Decimal 119 ' This function returns the cost of parts. 120 121 End Function 122 Function OtherCharges() As Decimal 123 ' This function returns the cost of labor. 124 125 End Function 126 Function CalcTax(ByVal decAmount As Decimal) As Decimal 127 ' this function receives the parts amount. It 128 ' calculates and returns the parts tax, based 129 ' on the parts amount. 130 Return decAmount * decTAX_RATE 131 End Function 132 Private Sub ResetOilLubeCharges() 133 ' This procedure resets the Oil and Lube selection. 134 chkOilChange.Checked = False 135 chkLubeJob.Checked = False 136 End Sub 137 138 Sub ResetFlushCharges() 139 ' this procedure resets the flush charges. 140 chkRadiatorFlush.Checked = False 141 chkTransmissionFlush.Checked = False 142 End Sub 143 144 Sub ResetMiscCharges() 145 ' this procedure resets misc charges. 146 147 chkInspection.Checked = False 148 chkReplaceMuffler.Checked = False 149 chkTireRotation.Checked = False 150 151 End Sub 152 153 154 155 156 157 End Class

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