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Thread: Java Home Utility Auditing Program Netbeans calculations !

  1. #1
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    Default Java Home Utility Auditing Program Netbeans calculations !

    Hi everyone, this is an assignment for my programming course in my master of management information systems. I don't know much about programming but being using Netbeans for two weeks now. Im trying to make this utility calculator work. What would I need to add to the code I designed in Netbeans for it to display the Kilowat and cost per month once I enter the correct values? Im new to programming as I already stated. I think Im suppossed to ufe the ''If'' statement but don't know where to apply it.
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    Last edited by angelmg33; April 19th, 2014 at 07:17 PM.


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    Default Re: Java Home Utility Auditing Program Netbeans calculations !

    If you have code you have questions about, please post it here.

    Be sure to wrap your code with code tags:
    [code=java]
    YOUR CODE HERE
    [/code]
    to get highlighting and preserve formatting.
    If you don't understand my answer, don't ignore it, ask a question.

  3. #3
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    Default Re: Java Home Utility Auditing Program Netbeans calculations !

     
    /*
     * To change this license header, choose License Headers in Project Properties.
     * To change this template file, choose Tools | Templates
     * and open the template in the editor.
     */
     
    package Utility;
     
    /**
     *
     * @author user
     */
    public class Utility extends javax.swing.JFrame {
     
        /**
         * Creates new form ComissionCalculator
         */
        public Utility() {
            initComponents();
        }
     
        /**
         * This method is called from within the constructor to initialize the form.
         * WARNING: Do NOT modify this code. The content of this method is always
         * regenerated by the Form Editor.
         */
        @SuppressWarnings("unchecked")
        // <editor-fold defaultstate="collapsed" desc="Generated Code">                          
        private void initComponents() {
     
            jScrollPane1 = new javax.swing.JScrollPane();
            jList1 = new javax.swing.JList();
            jSlider1 = new javax.swing.JSlider();
            jProgressBar1 = new javax.swing.JProgressBar();
            jScrollPane5 = new javax.swing.JScrollPane();
            jList5 = new javax.swing.JList();
            jSplitPane1 = new javax.swing.JSplitPane();
            jInternalFrame2 = new javax.swing.JInternalFrame();
            jToolBar1 = new javax.swing.JToolBar();
            jFormattedTextField1 = new javax.swing.JFormattedTextField();
            jFrame1 = new javax.swing.JFrame();
            jFrame2 = new javax.swing.JFrame();
            jOptionPane1 = new javax.swing.JOptionPane();
            jLabel5 = new javax.swing.JLabel();
            jScrollPane2 = new javax.swing.JScrollPane();
            jList2 = new javax.swing.JList();
            jLabel6 = new javax.swing.JLabel();
            jScrollPane3 = new javax.swing.JScrollPane();
            jList3 = new javax.swing.JList();
            jLabel1 = new javax.swing.JLabel();
            jScrollPane4 = new javax.swing.JScrollPane();
            jList4 = new javax.swing.JList();
            jSeparator1 = new javax.swing.JSeparator();
            jLabel2 = new javax.swing.JLabel();
            jScrollPane6 = new javax.swing.JScrollPane();
            jList6 = new javax.swing.JList();
            jPanel1 = new javax.swing.JPanel();
            jLabel3 = new javax.swing.JLabel();
            jLabel4 = new javax.swing.JLabel();
            jTextField3 = new javax.swing.JTextField();
            jTextField4 = new javax.swing.JTextField();
     
            jList1.setModel(new javax.swing.AbstractListModel() {
                String[] strings = { "Item 1", "Item 2", "Item 3", "Item 4", "Item 5" };
                public int getSize() { return strings.length; }
                public Object getElementAt(int i) { return strings[i]; }
            });
            jScrollPane1.setViewportView(jList1);
     
            jList5.setModel(new javax.swing.AbstractListModel() {
                String[] strings = { "Item 1", "Item 2", "Item 3", "Item 4", "Item 5" };
                public int getSize() { return strings.length; }
                public Object getElementAt(int i) { return strings[i]; }
            });
            jScrollPane5.setViewportView(jList5);
     
            jInternalFrame2.setVisible(true);
     
            javax.swing.GroupLayout jInternalFrame2Layout = new javax.swing.GroupLayout(jInternalFrame2.getContentPane());
            jInternalFrame2.getContentPane().setLayout(jInternalFrame2Layout);
            jInternalFrame2Layout.setHorizontalGroup(
                jInternalFrame2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGap(0, 0, Short.MAX_VALUE)
            );
            jInternalFrame2Layout.setVerticalGroup(
                jInternalFrame2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGap(0, 0, Short.MAX_VALUE)
            );
     
            jToolBar1.setRollover(true);
     
            jFormattedTextField1.setText("jFormattedTextField1");
     
            javax.swing.GroupLayout jFrame1Layout = new javax.swing.GroupLayout(jFrame1.getContentPane());
            jFrame1.getContentPane().setLayout(jFrame1Layout);
            jFrame1Layout.setHorizontalGroup(
                jFrame1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGap(0, 400, Short.MAX_VALUE)
            );
            jFrame1Layout.setVerticalGroup(
                jFrame1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGap(0, 300, Short.MAX_VALUE)
            );
     
            javax.swing.GroupLayout jFrame2Layout = new javax.swing.GroupLayout(jFrame2.getContentPane());
            jFrame2.getContentPane().setLayout(jFrame2Layout);
            jFrame2Layout.setHorizontalGroup(
                jFrame2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGap(0, 400, Short.MAX_VALUE)
            );
            jFrame2Layout.setVerticalGroup(
                jFrame2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGap(0, 300, Short.MAX_VALUE)
            );
     
            setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
            setTitle("ComossionCalculator");
            setBackground(new java.awt.Color(204, 255, 204));
            setCursor(new java.awt.Cursor(java.awt.Cursor.DEFAULT_CURSOR));
            setFont(new java.awt.Font("Times New Roman", 0, 10)); // NOI18N
     
            jLabel5.setText("Device/Wattage");
     
            jList2.setModel(new javax.swing.AbstractListModel() {
                String[] strings = { "IWasher", "Refrigerator", "Oven", "Fan", "Television" };
                public int getSize() { return strings.length; }
                public Object getElementAt(int i) { return strings[i]; }
            });
            jScrollPane2.setViewportView(jList2);
     
            jLabel6.setText("Gallons=Washer");
     
            jList3.setModel(new javax.swing.AbstractListModel() {
                String[] strings = { "7", "20.5", "30+" };
                public int getSize() { return strings.length; }
                public Object getElementAt(int i) { return strings[i]; }
            });
            jScrollPane3.setViewportView(jList3);
     
            jLabel1.setText("Cost of Electricity (per kWh)");
     
            jList4.setModel(new javax.swing.AbstractListModel() {
                String[] strings = { "15c", "25c", "30c" };
                public int getSize() { return strings.length; }
                public Object getElementAt(int i) { return strings[i]; }
            });
            jScrollPane4.setViewportView(jList4);
     
            jLabel2.setText("Amount used per day");
     
            jList6.setModel(new javax.swing.AbstractListModel() {
                String[] strings = { "1 hour", "4 hours", "8 hours", "24 hours" };
                public int getSize() { return strings.length; }
                public Object getElementAt(int i) { return strings[i]; }
            });
            jScrollPane6.setViewportView(jList6);
     
            jPanel1.setBorder(javax.swing.BorderFactory.createLineBorder(new java.awt.Color(0, 0, 0)));
     
            jLabel3.setText("Killowatt Hours Used:");
     
            jLabel4.setText("Cost per Month:");
     
            jTextField3.addActionListener(new java.awt.event.ActionListener() {
                public void actionPerformed(java.awt.event.ActionEvent evt) {
                    jTextField3ActionPerformed(evt);
                }
            });
     
            javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
            jPanel1.setLayout(jPanel1Layout);
            jPanel1Layout.setHorizontalGroup(
                jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(jPanel1Layout.createSequentialGroup()
                    .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addComponent(jLabel4)
                        .addComponent(jLabel3, javax.swing.GroupLayout.PREFERRED_SIZE, 128, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                    .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addComponent(jTextField4, javax.swing.GroupLayout.DEFAULT_SIZE, 49, Short.MAX_VALUE)
                        .addComponent(jTextField3))
                    .addContainerGap())
            );
            jPanel1Layout.setVerticalGroup(
                jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(jPanel1Layout.createSequentialGroup()
                    .addGap(12, 12, 12)
                    .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                        .addComponent(jLabel3)
                        .addComponent(jTextField3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGap(21, 21, 21)
                    .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                        .addComponent(jLabel4)
                        .addComponent(jTextField4, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGap(0, 0, Short.MAX_VALUE))
            );
     
            javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
            getContentPane().setLayout(layout);
            layout.setHorizontalGroup(
                layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(layout.createSequentialGroup()
                    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(layout.createSequentialGroup()
                            .addGap(46, 46, 46)
                            .addComponent(jLabel5, javax.swing.GroupLayout.PREFERRED_SIZE, 88, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                            .addGap(18, 18, 18)
                            .addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 116, javax.swing.GroupLayout.PREFERRED_SIZE)))
                    .addGap(78, 78, 78)
                    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addComponent(jLabel6)
                        .addGroup(layout.createSequentialGroup()
                            .addGap(10, 10, 10)
                            .addComponent(jScrollPane3, javax.swing.GroupLayout.PREFERRED_SIZE, 62, javax.swing.GroupLayout.PREFERRED_SIZE)))
                    .addGap(61, 61, 61))
                .addGroup(layout.createSequentialGroup()
                    .addGap(18, 18, 18)
                    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addComponent(jLabel1)
                        .addGroup(layout.createSequentialGroup()
                            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
                                .addComponent(jScrollPane6, javax.swing.GroupLayout.Alignment.LEADING)
                                .addComponent(jLabel2, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 115, Short.MAX_VALUE)
                                .addComponent(jScrollPane4, javax.swing.GroupLayout.Alignment.LEADING))
                            .addGap(28, 28, 28)
                            .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)))
                    .addContainerGap())
                .addComponent(jSeparator1)
            );
            layout.setVerticalGroup(
                layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(layout.createSequentialGroup()
                    .addContainerGap()
                    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                        .addComponent(jLabel5)
                        .addComponent(jLabel6))
                    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                        .addComponent(jScrollPane3, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.PREFERRED_SIZE, 20, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 0, Short.MAX_VALUE))
                    .addGap(18, 18, 18)
                    .addComponent(jSeparator1, javax.swing.GroupLayout.PREFERRED_SIZE, 2, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addGap(15, 15, 15)
                    .addComponent(jLabel1)
                    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(layout.createSequentialGroup()
                            .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                            .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                        .addGroup(layout.createSequentialGroup()
                            .addComponent(jScrollPane4, javax.swing.GroupLayout.PREFERRED_SIZE, 20, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addGap(48, 48, 48)
                            .addComponent(jLabel2)
                            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                            .addComponent(jScrollPane6, javax.swing.GroupLayout.PREFERRED_SIZE, 20, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addContainerGap(23, Short.MAX_VALUE))))
            );
     
            pack();
        }// </editor-fold>                        
     
        private void jTextField3ActionPerformed(java.awt.event.ActionEvent evt) {                                            
            // TODO add your handling code here:
        }                                           
     
        /**
         * @param args the command line arguments
         */
        public static void main(String args[]) {
            /* Set the Nimbus look and feel */
            //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
            /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
             * For details see [url]http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html[/url] 
             */
            try {
                for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
                    if ("Nimbus".equals(info.getName())) {
                        javax.swing.UIManager.setLookAndFeel(info.getClassName());
                        break;
                    }
                }
            } catch (ClassNotFoundException ex) {
                java.util.logging.Logger.getLogger(Utility.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
            } catch (InstantiationException ex) {
                java.util.logging.Logger.getLogger(Utility.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
            } catch (IllegalAccessException ex) {
                java.util.logging.Logger.getLogger(Utility.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
            } catch (javax.swing.UnsupportedLookAndFeelException ex) {
                java.util.logging.Logger.getLogger(Utility.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
            }
            //</editor-fold>
     
            /* Create and display the form */
            java.awt.EventQueue.invokeLater(new Runnable() {
                public void run() {
                    new Utility().setVisible(true);
                }
            });
        }
     
        // Variables declaration - do not modify                     
        private javax.swing.JFormattedTextField jFormattedTextField1;
        private javax.swing.JFrame jFrame1;
        private javax.swing.JFrame jFrame2;
        private javax.swing.JInternalFrame jInternalFrame2;
        private javax.swing.JLabel jLabel1;
        private javax.swing.JLabel jLabel2;
        private javax.swing.JLabel jLabel3;
        private javax.swing.JLabel jLabel4;
        private javax.swing.JLabel jLabel5;
        private javax.swing.JLabel jLabel6;
        private javax.swing.JList jList1;
        private javax.swing.JList jList2;
        private javax.swing.JList jList3;
        private javax.swing.JList jList4;
        private javax.swing.JList jList5;
        private javax.swing.JList jList6;
        private javax.swing.JOptionPane jOptionPane1;
        private javax.swing.JPanel jPanel1;
        private javax.swing.JProgressBar jProgressBar1;
        private javax.swing.JScrollPane jScrollPane1;
        private javax.swing.JScrollPane jScrollPane2;
        private javax.swing.JScrollPane jScrollPane3;
        private javax.swing.JScrollPane jScrollPane4;
        private javax.swing.JScrollPane jScrollPane5;
        private javax.swing.JScrollPane jScrollPane6;
        private javax.swing.JSeparator jSeparator1;
        private javax.swing.JSlider jSlider1;
        private javax.swing.JSplitPane jSplitPane1;
        private javax.swing.JTextField jTextField3;
        private javax.swing.JTextField jTextField4;
        private javax.swing.JToolBar jToolBar1;
        // End of variables declaration                   
    }
    [/noparse]

  4. #4
    Super Moderator Norm's Avatar
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    Default Re: Java Home Utility Auditing Program Netbeans calculations !

    Sorry, I can't handle IDE generated code. I don't think it can be changed by hand. You need to use the IDE to change it.
    If you don't understand my answer, don't ignore it, ask a question.

  5. #5
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    Default Re: Java Home Utility Auditing Program Netbeans calculations !

    [QUOTE=Norm;145767]Sorry, I can't handle IDE generated code. I don't think it can be changed by hand. You need to use the IDE to change it.[/QUOTE

    You are right, I need to use Netbeans to change/edit. The problem is I'm not quite sure in which lines I need to add a conversion input so that the whole calculator works.

  6. #6
    Super Moderator Norm's Avatar
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    Default Re: Java Home Utility Auditing Program Netbeans calculations !

    not quite sure in which lines I need to add a conversion input so that the whole calculator works.
    Can you explain where the data to do the conversion comes from, what is to be done with it and where the results are to be stored?
    How does the user enter the input and tell the program to do the conversion?
    If you don't understand my answer, don't ignore it, ask a question.

  7. #7
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    Default Re: Java Home Utility Auditing Program Netbeans calculations !

    The data should be coming from the lists menus. The user should select a utulity (with its respective wattage), select cost of electricity from a list menu (15c, 20c, and 25c ) and select the amount of time used for that specific object from a menu also. So, its three integers that once selected should give you a calculation. For example, wattage of a fan=40 x Time=1 hour =0.04 kHW. So that would be 0.04 per 15 cents a watt. That would calculate the Killowat hours used.

    I haven't added this to the code as Im stucked on how to do it, although I understand the math behind it.

  8. #8
    Super Moderator Norm's Avatar
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    Default Re: Java Home Utility Auditing Program Netbeans calculations !

    How does the user tell the program he's done with the input and that the program should do the conversions? Normally there would be a button to press.
    Or is this program supposed to do the conversion every time a selection is changed?
    If you don't understand my answer, don't ignore it, ask a question.

  9. #9
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    Default Re: Java Home Utility Auditing Program Netbeans calculations !

    Yes, my intention was to do the conversion every time a selection is changed. I think I should just simplify it and eliminate the cost per month option/output. What do you think?

  10. #10
    Super Moderator Norm's Avatar
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    Default Re: Java Home Utility Auditing Program Netbeans calculations !

    Have you added the listeners to the input components so the program can read the user's input as it is set?
    If you don't understand my answer, don't ignore it, ask a question.

  11. #11
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    Default Re: Java Home Utility Auditing Program Netbeans calculations !

    [QUOTE=Norm;145777]Have you added the listeners to the input components so the program can read the user's input as it is set?[/QUOTe

    No! I've been using java for just two weeks. Could you tell me how to do this?
    Thanks!

  12. #12
    Super Moderator Norm's Avatar
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    Default Re: Java Home Utility Auditing Program Netbeans calculations !

    Sorry, I don't know how to use the IDE you have built the GUI with. I think the IDE will do some or must of what needs to be done. I don't know think you can do it manually, but I don't know.
    IDE generated GUI is a mess to work with. It is not recommended for beginners.
    If you don't understand my answer, don't ignore it, ask a question.

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