Radio Buttons and Check Box Create a java Application and add the following cont

Question

Radio Buttons and Check Box

Create a java Application and add the following control layout: Dental Payment form. Add code to the ‘Compute Total’ button.

The code should compute total cost based on the type of services selected and based on the Discount selected.

Display the name of the patient as well as the total cost.

Note: if you select other, you need to provide the cost related to ‘other’ services. You can create a border around a panel by adding the following code panel.setBorder(BorderFactory.createTitledBorder(name));

You can try different border lines

Dental Payment Form Patient name: Cleaning S65 Cavity Filling $200 Root Canal $250 Other Discounts Holiday 15% off Special 25% off No Discount Today Compute Total Total Write down the patient name. then The User Selected when the user click on the compute total"

Explanation / Answer

import java.awt.*;

import java.awt.event.*;

import java.text.*;

import javax.swing.*;

public class DentalPayment extends JFrame

{

// JLabel that displays header on application window

private JLabel dentalPaymentFormJLabel;

// JLabel and JTextField for patient name

private JLabel patientNameJLabel;

private JTextField patientNameJTextField;

// JCheckBox and JLabel for cleaning

private JCheckBox cleaningJCheckBox;

private JLabel cleaningPriceJLabel;

// JCheckBox and JLabel for cavity filling

private JCheckBox cavityFillingJCheckBox;

private JLabel cavityFillingPriceJLabel;

// JCheckBox and JLabel for X-Ray

private JCheckBox xRayJCheckBox;

private JLabel xRayPriceJLabel;

// JLabel and JTextField for total fee

private JLabel totalJLabel;

private JTextField totalJTextField;

// JButton to initiate calculation of fee

private JButton calculateJButton;

// no-argument constructor

public DentalPayment()

{

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 dentalPaymentFormJLabel

dentalPaymentFormJLabel = new JLabel();

dentalPaymentFormJLabel.setBounds( 19, 19, 235, 28 );

dentalPaymentFormJLabel.setText( "Dental Payment Form" );

dentalPaymentFormJLabel.setFont(

new Font( "Default", Font.PLAIN, 22 ) );

dentalPaymentFormJLabel.setHorizontalAlignment(

JLabel.CENTER );

contentPane.add( dentalPaymentFormJLabel );

  

// set up patientNameJLabel

patientNameJLabel = new JLabel();

patientNameJLabel.setBounds( 19, 65, 91, 21 );

patientNameJLabel.setText( "Patient name:" );

contentPane.add( patientNameJLabel );

  

// set up patientNameJTextField

patientNameJTextField = new JTextField();

patientNameJTextField.setBounds( 132, 65, 117, 21 );

contentPane.add( patientNameJTextField );

  

// set up cleaningJCheckBox

cleaningJCheckBox = new JCheckBox();

cleaningJCheckBox.setBounds( 16, 112, 122, 24 );

cleaningJCheckBox.setText( "Cleaning" );

contentPane.add( cleaningJCheckBox );

  

// set up cleaningPriceJLabel

cleaningPriceJLabel = new JLabel();

cleaningPriceJLabel.setBounds( 211, 112, 38, 24 );

cleaningPriceJLabel.setText( "$35" );

cleaningPriceJLabel.setHorizontalAlignment( JLabel.RIGHT );

contentPane.add( cleaningPriceJLabel );

  

// set up cavityFillingJCheckBox

cavityFillingJCheckBox = new JCheckBox();

cavityFillingJCheckBox.setBounds( 16, 159, 122, 24 );

cavityFillingJCheckBox.setText( "Cavity Filling" );

contentPane.add( cavityFillingJCheckBox );

  

// set up cavityFillingPriceJLabel

cavityFillingPriceJLabel = new JLabel();

cavityFillingPriceJLabel.setBounds( 211, 159, 38, 24 );

cavityFillingPriceJLabel.setText( "$150" );

cavityFillingPriceJLabel.setHorizontalAlignment(

JLabel.RIGHT );

contentPane.add( cavityFillingPriceJLabel );

  

// set up xRayJCheckBox

xRayJCheckBox = new JCheckBox();

xRayJCheckBox.setBounds( 16, 206, 122, 24 );

xRayJCheckBox.setText( "X-Ray" );

contentPane.add( xRayJCheckBox );

  

// set up xRayPriceJLabel

xRayPriceJLabel = new JLabel();

xRayPriceJLabel.setBounds( 211, 206, 38, 24 );

xRayPriceJLabel.setText( "$85" );

xRayPriceJLabel.setHorizontalAlignment( JLabel.RIGHT );

contentPane.add( xRayPriceJLabel );

  

// set up totalJLabel

totalJLabel = new JLabel();

totalJLabel.setBounds( 144, 256, 41, 21 );

totalJLabel.setText( "Total:" );

contentPane.add( totalJLabel );

  

// set up totalJTextField

totalJTextField = new JTextField();

totalJTextField.setBounds( 192, 256, 56, 21 );

totalJTextField.setEditable( false );

totalJTextField.setHorizontalAlignment( JTextField.CENTER );

contentPane.add( totalJTextField );

  

// set up calculateJButton

calculateJButton = new JButton();

calculateJButton.setBounds( 155, 296, 94, 24 );

calculateJButton.setText( "Calculate" );

contentPane.add( calculateJButton );

calculateJButton.addActionListener(

  

new ActionListener() // anonymous inner class

{

// event handler called when user clicks calculateJButton

public void actionPerformed( ActionEvent event )

{

calculateJButtonActionPerformed( event );

}

  

} // end anonymous inner class

); // end call to addActionListener

  

// set properties of application's window

setTitle( "Dental Payment" ); // set title bar string

setSize( 272, 364 ); // set window size

setVisible( true ); // display window

  

} // end method createUserInterface

// calculate cost of patient's visit

private void calculateJButtonActionPerformed( ActionEvent event )

{

// get patient's name

String patient = patientNameJTextField.getText();

  

// display error message if no name entered or

// no JCheckBox is selected

if ( ( patient.equals( "" ) ) ||

( !cleaningJCheckBox.isSelected() &&

!cavityFillingJCheckBox.isSelected() &&

!xRayJCheckBox.isSelected() ) )

{

// display error message

JOptionPane.showMessageDialog( null,

"Please enter a name and check at least one item.",

"Missing Information", JOptionPane.ERROR_MESSAGE );

}

else // otherwise, do calculations

{

double total = 0.0; // sum of all services provided

// if patient had a cleaning

if ( cleaningJCheckBox.isSelected() )

{

total += 35; // add 35 to total

}

// if patient had cavity filled

if ( cavityFillingJCheckBox.isSelected() )

{

total += 150; // add 150 to total

}

// if patient had x-ray taken

if ( xRayJCheckBox.isSelected() )

{

total += 85; // add 85 to total

}

// specify display format

DecimalFormat dollars = new DecimalFormat( "$0.00" );

// display total

totalJTextField.setText( dollars.format( total ) );

} // end else

  

} // end method calculateJButtonActionPerformed

// main method

public static void main( String[] args )

{

DentalPayment application = new DentalPayment();

application.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );

  

} // end method main

} // end class DentalPayment

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