0

I'm trying to build my first JAVA Swing application using the MVC pattern. But I dont quite crasp it. Especially not on how to code it. I read a lot on this site and other sites about MVC. This is one of the things I read about MVC: The MVC pattern and SWING

http://www.tutorialspoint.com/design_pattern/mvc_pattern.htm

I am fairly new to developing and want to start from the beginning using best practices.

What I think I understand about the MVC pattern is you have a Controller a Model and a View. The Controller gets it input from the View. Then the Controller ask the Model to change it state. Gets the state back from the Model and does everyting it needs to do with the input like storing it to a database or change the View with what it gets back from the database.

For example if a button "add Address" is clicked it gets the input from the textfields in the View. The Controller updates the Model and saves the data it gets from the View into the database. If the button "search Addres" is clicked it gets it input from the textfield in the View searches the database and if it gets data back it updates the Model and outputs it in the View.

If what I think to know about MVC is right how do I code this?

Is it possible to explane it using the code I have so far?

How can I get the data from the View to the Controller and on to the Model?

This is my code so far:

View JFrame

public class WolffAddressManagerMVCJFrameVIEW extends javax.swing.JFrame {
    /**
     * Creates new form StoringAdresses1JFrame
     */
    public WolffAddressManagerMVCJFrameVIEW() {
        initComponents();
    }

    @SuppressWarnings("unchecked")

    private void initComponents() {

        jPanel1 = new javax.swing.JPanel();
        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        jLabel3 = new javax.swing.JLabel();
        jLabel4 = new javax.swing.JLabel();
        jLabel5 = new javax.swing.JLabel();
        jLabel6 = new javax.swing.JLabel();
        jLabel7 = new javax.swing.JLabel();
        firstName = new javax.swing.JTextField();
        lastName = new javax.swing.JTextField();
        emailAdress = new javax.swing.JTextField();
        searchEmailAdress = new javax.swing.JTextField();
        removeEmailAddress = new javax.swing.JTextField();
        street = new javax.swing.JTextField();
        number = new javax.swing.JTextField();
        additive = new javax.swing.JTextField();
        zipCode = new javax.swing.JTextField();
        city = new javax.swing.JTextField();
        addAdress = new javax.swing.JButton();
        removeAdress = new javax.swing.JButton();
        searchAdress = new javax.swing.JButton();
        jPanel2 = new javax.swing.JPanel();
        jScrollPane1 = new javax.swing.JScrollPane();
        showInputOutput = new javax.swing.JTextArea();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jPanel1.setBorder(javax.swing.BorderFactory.createTitledBorder(null, "Address Input Fields", javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION, javax.swing.border.TitledBorder.DEFAULT_POSITION, new java.awt.Font("Trebuchet MS", 1, 14))); // NOI18N

        jLabel1.setFont(new java.awt.Font("Trebuchet MS", 1, 11)); // NOI18N
        jLabel1.setText("First Name:");

        jLabel2.setFont(new java.awt.Font("Trebuchet MS", 1, 11)); // NOI18N
        jLabel2.setText("Last Name:");

        jLabel3.setFont(new java.awt.Font("Trebuchet MS", 1, 11)); // NOI18N
        jLabel3.setText("Email Adress:");

        jLabel4.setFont(new java.awt.Font("Trebuchet MS", 1, 11)); // NOI18N
        jLabel4.setText("Street / Number / Add");

        jLabel5.setFont(new java.awt.Font("Trebuchet MS", 1, 11)); // NOI18N
        jLabel5.setText("Zipcode / City");

        jLabel6.setFont(new java.awt.Font("Trebuchet MS", 1, 11)); // NOI18N
        jLabel6.setText("Email Address:");

        jLabel7.setFont(new java.awt.Font("Trebuchet MS", 1, 11)); // NOI18N
        jLabel7.setText("Email Address:");

        firstName.setFont(new java.awt.Font("Trebuchet MS", 1, 11)); // NOI18N

        lastName.setFont(new java.awt.Font("Trebuchet MS", 1, 11)); // NOI18N

        emailAdress.setFont(new java.awt.Font("Trebuchet MS", 1, 11)); // NOI18N

        street.setFont(new java.awt.Font("Trebuchet MS", 1, 11)); // NOI18N

        number.setFont(new java.awt.Font("Trebuchet MS", 1, 11)); // NOI18N

        additive.setFont(new java.awt.Font("Trebuchet MS", 1, 11)); // NOI18N

        zipCode.setFont(new java.awt.Font("Trebuchet MS", 1, 11)); // NOI18N

        city.setFont(new java.awt.Font("Trebuchet MS", 1, 11)); // NOI18N

        addAdress.setFont(new java.awt.Font("Trebuchet MS", 1, 14)); // NOI18N
        addAdress.setText("Add Address");
        ActionListener actionListener = new MainWindowActionListenerMVCVIEW(firstName, lastName, emailAdress, street, number, additive, zipCode, city, searchEmailAdress, removeEmailAddress);
        addAdress.addActionListener(actionListener);

        removeAdress.setFont(new java.awt.Font("Trebuchet MS", 1, 14)); // NOI18N
        removeAdress.setText("Remove Address");
        removeAdress.setBackground(Color.RED);
        removeAdress.addActionListener(actionListener);

        searchAdress.setFont(new java.awt.Font("Trebuchet MS", 1, 14)); // NOI18N
        searchAdress.setText("Search Address");
        searchAdress.addActionListener(actionListener);


        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, false)
                    .addComponent(jLabel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addComponent(jLabel2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addComponent(jLabel3, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addComponent(jLabel4, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addComponent(jLabel5, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addComponent(jLabel6, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addComponent(jLabel7, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(jPanel1Layout.createSequentialGroup()
                        .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(firstName)
                            .addComponent(lastName)
                            .addComponent(emailAdress)
                            .addComponent(searchEmailAdress)
                            .addComponent(removeEmailAddress)
                            .addGroup(jPanel1Layout.createSequentialGroup()
                                .addComponent(street, javax.swing.GroupLayout.PREFERRED_SIZE, 147, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(number, javax.swing.GroupLayout.DEFAULT_SIZE, 49, Short.MAX_VALUE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(additive, javax.swing.GroupLayout.PREFERRED_SIZE, 34, javax.swing.GroupLayout.PREFERRED_SIZE)))
                        .addGap(8, 8, 8))
                    .addGroup(jPanel1Layout.createSequentialGroup()
                        .addComponent(zipCode, javax.swing.GroupLayout.PREFERRED_SIZE, 114, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(city)
                        .addContainerGap())))
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(addAdress, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addComponent(removeAdress, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addComponent(searchAdress, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                .addContainerGap())
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addGroup(jPanel1Layout.createSequentialGroup()
                        .addGap(2, 2, 2)
                        .addComponent(firstName, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE)))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(lastName, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(emailAdress, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jLabel3, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel4, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(street, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(number, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(additive, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel5, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(zipCode, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(city, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(41, 41, 41)
                .addComponent(addAdress, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(18, 18, 18)

                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                .addComponent(removeEmailAddress, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addComponent(jLabel7, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(18, 18, 18)
                .addComponent(removeAdress, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                .addComponent(searchEmailAdress, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addComponent(jLabel6, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(18, 18, 18)
                .addComponent(searchAdress, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(203, Short.MAX_VALUE))
        );

        jPanel2.setBorder(javax.swing.BorderFactory.createTitledBorder(null, "Show Input / Show Search", javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION, javax.swing.border.TitledBorder.DEFAULT_POSITION, new java.awt.Font("Trebuchet MS", 1, 14))); // NOI18N

        showInputOutput.setFont(new java.awt.Font("Trebuchet MS", 1, 14)); // NOI18N
        jScrollPane1.setViewportView(showInputOutput);

        javax.swing.GroupLayout jPanel2Layout = new javax.swing.GroupLayout(jPanel2);
        jPanel2.setLayout(jPanel2Layout);
        jPanel2Layout.setHorizontalGroup(
            jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 349, Short.MAX_VALUE)
        );
        jPanel2Layout.setVerticalGroup(
            jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(jScrollPane1)
        );

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(jPanel2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(jPanel2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
            .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
        );

        pack();
    }                  
    private javax.swing.JButton addAdress;
    private javax.swing.JButton removeAdress;
    private javax.swing.JButton searchAdress;
    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.JLabel jLabel7;
    public javax.swing.JTextArea showInputOutput;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JPanel jPanel2;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTextField firstName;
    private javax.swing.JTextField lastName;
    private javax.swing.JTextField emailAdress;
    private javax.swing.JTextField searchEmailAdress;
    private javax.swing.JTextField removeEmailAddress;
    private javax.swing.JTextField street;
    private javax.swing.JTextField number;
    private javax.swing.JTextField additive;
    private javax.swing.JTextField zipCode;
    private javax.swing.JTextField city;                
}

View ActionListener

public class MainWindowActionListenerMVCVIEW implements ActionListener {
    public  JTextField firstName, lastName, emailAddress, street, number, additive, zipCode, city, searchEmailAdress, removeEmailAddress;


    public MainWindowActionListenerMVCVIEW(JTextField fName, JTextField lName, JTextField eAddress, JTextField streetName, JTextField houseNumber, JTextField add, JTextField zCode, JTextField cityName, JTextField searchEAdress, JTextField removeEAddress) {

        this.firstName = fName;
        this.lastName = lName;
        this.emailAddress = eAddress;
        this.street = streetName;
        this.number = houseNumber;
        this.additive = add;
        this.zipCode = zCode;
        this.city = cityName;
        this.searchEmailAdress = searchEAdress;
        this.removeEmailAddress = removeEAddress;
    }


    @Override
    public void actionPerformed(ActionEvent e) {
        firstName.getText();
        lastName.getText();
        emailAddress.getText();
        street.getText();
        number.getText();
        additive.getText();
        zipCode.getText();
        city.getText();
        searchEmailAdress.getText();
        removeEmailAddress.getText();
        System.out.println("test" + " " + firstName.getText()); // I put this in just te see if the *ActionListener* works

     }
}

Model

public class WolffAddressManagerMVCMODEL {
    public String firstName;
    public String lastName;
    public String emailAddress;
    public String street;
    public String number;
    public String additive;
    public String zipCode;
    public String city;
}

Controller

public class WolffAddressManagerMVCController {
    public WolffAddressManagerMVCMODEL controllerModel;
    public MainWindowActionListenerMVCVIEW controllerActionListener;
    public WolffAddressManagerMVCJFrameVIEW controllerJFrame;
    private Connection connect = null;
    private final Statement statement = null;
    private PreparedStatement preparedStatement = null;
    private ResultSet resultSet = null;
    public ArrayList<String> queryResultSet = new ArrayList();

    public void saveAddressToDataBase(MainWindowActionListenerMVCVIEW controller) throws Exception {

        try {
            Class.forName("com.mysql.jdbc.Driver");
            connect = DriverManager.getConnection("jdbc:mysql://localhost/dev?" + "user=root&password=password");
            preparedStatement = connect.prepareStatement("SELECT email FROM dev.addresses WHERE email= '" + controller.emailAddress.getText() + "'");
            resultSet = preparedStatement.executeQuery();

            if(resultSet.next()) {
                JOptionPane.showMessageDialog(null,  "Email already exist", "InfoBox: " + "Error", JOptionPane.INFORMATION_MESSAGE);
            } else {
                preparedStatement = connect.prepareStatement("INSERT INTO  dev.addresses (firstname, lastname, email, street, housenumber, additve, zipcode, city) VALUES(?, ?, ?, ?, ?, ?, ?, ?)");
                preparedStatement.setString(1, controller.firstName.getText());
                preparedStatement.setString(2, controller.lastName.getText());
                preparedStatement.setString(3, controller.emailAddress.getText());
                preparedStatement.setString(4, controller.street.getText());
                preparedStatement.setString(5, controller.number.getText());
                preparedStatement.setString(6, controller.additive.getText());
                preparedStatement.setString(7, controller.zipCode.getText());
                preparedStatement.setString(8, controller.city.getText());
                preparedStatement.executeUpdate();
            }

        } catch (ClassNotFoundException | SQLException | HeadlessException e) {
          throw e;
        } finally {
          close();
        }
    }

    public void searchAddress(String emailAddress) throws Exception {
        try {
            Class.forName("com.mysql.jdbc.Driver");
              // Setup the connection with the DB
            connect = DriverManager.getConnection("jdbc:mysql://localhost/dev?" + "user=root&password=fiat128slc");
            preparedStatement = connect.prepareStatement("SELECT * FROM dev.addresses WHERE email= '" + emailAddress + "'");
            resultSet = preparedStatement.executeQuery();
            if(resultSet.isBeforeFirst()) {
                while(resultSet.next()) {
                    queryResultSet.add(resultSet.getString("firstname"));
                    queryResultSet.add(resultSet.getString("lastname"));
                    queryResultSet.add(resultSet.getString("email"));
                    queryResultSet.add(resultSet.getString("street"));
                    queryResultSet.add(resultSet.getString("housenumber"));
                    queryResultSet.add(resultSet.getString("additve"));
                    queryResultSet.add(resultSet.getString("zipcode"));
                    queryResultSet.add(resultSet.getString("city"));
                }
            } else {
                JOptionPane.showMessageDialog(null, "Email doesn't exist", "InfoBox: " + "Error", JOptionPane.INFORMATION_MESSAGE);
            }
        } catch (ClassNotFoundException | SQLException | HeadlessException e) {
          throw e;
        } finally {
          close();
        }
    }
Community
  • 1
  • 1
coos wolff
  • 51
  • 8

1 Answers1

0

I edited my last answer. I think I am on the right track. Using getters and setters in my MVC project. I now have a Class who takes care of the queries.

Controller

    public class WolffAddressManagerMVCController {
    private final WolffAddressManagerMVCMODEL model;
    private final WolffAddressManagerQueriesMVCSERVICES query;

    public WolffAddressManagerMVCController(WolffAddressManagerMVCMODEL model) {
        this.query = new WolffAddressManagerQueriesMVCSERVICES();
        this.model = model;
    }


    public void buildView() throws Exception {
        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 | InstantiationException | IllegalAccessException | javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(WolffAddressManagerMVCJFrameVIEW.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        java.awt.EventQueue.invokeLater(new Runnable() {
                @Override
                public void run() {
                    new WolffAddressManagerMVCJFrameVIEW().setVisible(true);
                }
            });
        }

    public void buildView2() throws Exception {
        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 | InstantiationException | IllegalAccessException | javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(WolffAddressManagerMVCUpdateJFrameVIEW.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        java.awt.EventQueue.invokeLater(new Runnable() {
                @Override
                public void run() {
                    new WolffAddressManagerMVCUpdateJFrameVIEW().setVisible(true);
                }
            });
        }

    public void addCredentials(WolffAddressManagerMVCJFrameVIEW view , WolffAddressManagerMVCMODEL model) throws Exception {
        if(model.getEmailAddress().equals(model.getReTypeEmailAddress())) {
            if(query.saveAddressToDataBase(view, model) == true) {
                showCredentials(view);
            }
            else {
                view.setTextArea(view.getTextArea() + "EMAIL ALREADY EXISTS\n\n");
            }
        } else {
            JOptionPane.showMessageDialog(null,  "Emailaddresses are not the same", "InfoBox: " + "Error", JOptionPane.INFORMATION_MESSAGE);
        }
    }

    private void showCredentials(WolffAddressManagerMVCJFrameVIEW view) throws Exception {
        DefaultListModel<String> jList = new DefaultListModel();
        JList<String> list = new JList(jList);
        model.setSearchResultArray(searchCredentials(model));
        for(int i = 0; i < model.getSearchResultArray().size(); i++) {
            jList.addElement(model.getSearchResultArray().get(i));
        }
        list.setModel(jList);

        int size = list.getModel().getSize();
        StringBuilder credentials = new StringBuilder();

        for(int i = 0; i < size; i++) {
           credentials.append(list.getModel().getElementAt(i)).append("\n");
        }
        view.setTextArea(view.getTextArea() + credentials.toString()+ "CREDENTIALS ADDED\n\n");
    }

    public void removeCredentials() throws Exception {
        query.removeAddress(model.getEmailAddress());
    }

    public ArrayList<String> searchCredentials(WolffAddressManagerMVCMODEL model) throws Exception {
        return query.searchAddress(model.getEmailAddress());
    }

    public void showSearchResult(WolffAddressManagerMVCJFrameVIEW view, WolffAddressManagerMVCMODEL model) {
        DefaultListModel<String> jList = new DefaultListModel();
        JList<String> list = new JList(jList);

        try {
            model.setSearchResultArray(searchCredentials(model));
        } catch (Exception e) {
            Logger.getLogger(MainWindowActionListenerSearchMVCVIEW.class.getName()).log(Level.SEVERE, null, e);
        } 
        for(int i = 0; i < model.getSearchResultArray().size(); i++) {
            jList.addElement(model.getSearchResultArray().get(i));
        }
        list.setModel(jList);

        int size = list.getModel().getSize();
        StringBuilder credentials = new StringBuilder();
        for(int i = 0; i < size; i++) {
           credentials.append(list.getModel().getElementAt(i)).append("\n");
        }
        view.setTextArea(view.getTextArea() + credentials.toString());
    }

    private void showUpdateResult(WolffAddressManagerMVCUpdateJFrameVIEW view, WolffAddressManagerMVCMODEL model) {
        DefaultListModel<String> jList = new DefaultListModel();
        JList<String> list = new JList(jList);

        try {
            model.getUpdateResultArray();
        } catch (Exception e) {
            Logger.getLogger(MainWindowActionListenerSearchMVCVIEW.class.getName()).log(Level.SEVERE, null, e);
        } 
        for(int i = 0; i < model.getUpdateResultArray().size(); i++) {
            jList.addElement(model.getUpdateResultArray().get(i));
        }
        list.setModel(jList);

        int size = list.getModel().getSize();
        StringBuilder credentials = new StringBuilder();
        for(int i = 0; i < size; i++) {
           credentials.append(list.getModel().getElementAt(i)).append("\n");
        }
        view.setTextArea(credentials.toString());
    }

    public void updateCredentials(WolffAddressManagerMVCUpdateJFrameVIEW view,WolffAddressManagerMVCMODEL model) throws Exception {
        if(query.updateAddress(view, model) == true) {
            showUpdateResult(view,model);
        }
    }
}

Model

       public class WolffAddressManagerMVCMODEL {
    private String updateEmailAddress;
    private String companyName;
    private String firstName;
    private String lastName;
    private String emailAddress;
    private String reTypeEmailAddress;
    private String street;
    private String number;
    private String additive;
    private String zipCode;
    private String city;
    private JTextField jTextFieldUpdateEmailAddress;
    private JTextField jTextFieldCompanyName;
    private JTextField jTextFieldFirstName;
    private JTextField jTextFieldLastName;
    private JTextField jTextFieldEmailAddress;
    private JTextField jTextFieldReTypeEmailAddress;
    private JTextField jTextFieldStreetName;
    private JTextField jTextFieldHouseNumber;
    private JTextField jTextFieldAdditive;
    private JTextField jTextFieldZipCode;
    private JTextField jTextFieldCityName;
    private JTextField jTextFieldSearchEmailAddress;
    private JTextField jTextFieldRemoveEmailAddress;
    private ArrayList<String> searchResultArray = null;
    private ArrayList<String> updateResultArray = null;

    public String getUpdateEmailAddress() {
        return updateEmailAddress;
    }

    public void setUpdateEmailAddress(String updateEmailAddress) {
        this.updateEmailAddress = updateEmailAddress;
    }

    public String getCompanyName() {
        return companyName;
    }

    public void setCompanyName(String companyName) {
        this.companyName = companyName;
    }

    public String getFirstName() {
        return firstName;
    }

    public void setFirstName(String firstName) {
        this.firstName = firstName;
    }

    public String getLastName() {
        return lastName;
    }

    public void setLastName(String lastName) {
        this.lastName = lastName;
    }

    public String getEmailAddress() {
        return emailAddress;
    }

    public void setEmailAddress(String emailAddress) {
        this.emailAddress = emailAddress;
    }

    public String getReTypeEmailAddress() {
        return reTypeEmailAddress;
    }

    public void setReTypeEmailAddress(String reTypeEmailAddress) {
        this.reTypeEmailAddress = reTypeEmailAddress;
    }

    public String getStreet() {
        return street;
    }

    public void setStreet(String street) {
        this.street = street;
    }

    public String getNumber() {
        return number;
    }

    public void setNumber(String number) {
        this.number = number;
    }

    public String getAdditive() {
        return additive;
    }

    public void setAdditive(String additive) {
        this.additive = additive;
    }

    public String getZipCode() {
        return zipCode;
    }

    public void setZipCode(String zipCode) {
        this.zipCode = zipCode;
    }

    public String getCity() {
        return city;
    }

    public void setCity(String city) {
        this.city = city;
    }

    public JTextField getJTextFieldUpdateEmailAddress() {
        return jTextFieldUpdateEmailAddress;
    }

    public void setJTextFieldUpdateEmailAddress(JTextField updateEmailAddress) {
        this.jTextFieldUpdateEmailAddress = updateEmailAddress;
    }

    public JTextField getJTextFieldCompanyName() {
        return jTextFieldCompanyName;
    }

    public void setJTextFieldCompanyName(JTextField companyName) {
        this.jTextFieldCompanyName = companyName;
    }

    public JTextField getJTextFieldFirstName() {
        return jTextFieldFirstName;
    }

    public void setJTextFieldFirstName(JTextField fName) {
        this.jTextFieldFirstName = fName;
    }

    public JTextField getJTextFieldLastName() {
        return jTextFieldLastName;
    }

    public void setJTextFieldLastName(JTextField lastName) {
        this.jTextFieldLastName = lastName;
    }

    public JTextField getJTextFieldEmailAddress() {
        return jTextFieldEmailAddress;
    }

    public void setJTextFieldEmailAddress(JTextField emailAddress) {
        this.jTextFieldEmailAddress = emailAddress;
    }

    public JTextField getJTextFieldReTypeEmailAddress() {
        return jTextFieldReTypeEmailAddress;
    }

    public void setJTextFieldReTypeEmailAddress( JTextField reTypeEmailAddress) {
        this.jTextFieldReTypeEmailAddress = reTypeEmailAddress;
    }

    public JTextField getJTextFieldStreet() {
        return jTextFieldStreetName;
    }

    public void setJTextFieldStreet(JTextField streetName) {
        this.jTextFieldStreetName = streetName;
    }

    public JTextField getJTextFieldHouseNumber() {
        return jTextFieldHouseNumber;
    }

    public void setJTextFieldHouseNumber(JTextField houseNumber) {
        this.jTextFieldHouseNumber = houseNumber;
    }

    public JTextField getJTextfieldAdditive() {
        return jTextFieldAdditive;
    }

    public void setJTextFieldAdditive(JTextField additive) {
        this.jTextFieldAdditive = additive;
    }

    public JTextField getJTextFieldZipCode() {
        return jTextFieldZipCode;
    }

    public void setJTexFieldZipCode(JTextField zipCode) {
        this.jTextFieldZipCode = zipCode;
    }

    public JTextField getJTextFieldCity() {
        return jTextFieldCityName;
    }

    public void setJTextFieldCity(JTextField cityName){
        this.jTextFieldCityName = cityName;
    }

    public JTextField getJTextFieldSearchEmailAddress(){
        return jTextFieldSearchEmailAddress;
    }

    public void setJTextFieldSearchEmailAddress(JTextField searchEmailAddress) {
        this.jTextFieldSearchEmailAddress = searchEmailAddress;
    }

    public JTextField getJTextFieldRemoveEmailAddress(){
        return jTextFieldRemoveEmailAddress;
    }

    public void setJTextFieldRemoveEmailAddress(JTextField removeEAddress){
        this.jTextFieldRemoveEmailAddress = removeEAddress;
    }

    public ArrayList<String> getSearchResultArray() {
        return searchResultArray;
    }

    public void setSearchResultArray(ArrayList searchResultArray) {
        this.searchResultArray = searchResultArray;
    }

    public ArrayList<String> getUpdateResultArray() {
        return updateResultArray;
    }

    public void setUpdateResultArray(ArrayList searchResultArray) {
        this.updateResultArray = searchResultArray;
    }
}

And here is one of my ActionListener Classes in total I have 4 of these classes to perform Create, Read, Update and Delete on my database.

 public class MainWindowActionListenerAddMVCVIEW implements ActionListener {

    WolffAddressManagerMVCMODEL model = new WolffAddressManagerMVCMODEL();
    WolffAddressManagerMVCController controller = new WolffAddressManagerMVCController(model);
    public MainWindowActionListenerAddMVCVIEW(JTextField fName, JTextField lName, JTextField eAddress, JTextField streetName, JTextField houseNumber, JTextField add, JTextField zCode, JTextField cityName) {

        this.model.setJTextfiedFirstName(fName);
        this.model.setJTextFieldLastName(lName);
        this.model.setJTextFieldEmailAddress(eAddress);
        this.model.setJTextFieldStreet(streetName);
        this.model.setJTextFieldHouseNumber(houseNumber);
        this.model.setJTextFieldAdditive(add);
        this.model.setJTexFieldZipCode(zCode);
        this.model.setJTextFieldCity(cityName);

    }


    @Override
    public void actionPerformed(ActionEvent e) {
        model.setFirstName(model.getJTextFieldFirstName().getText());
        model.setLastName(model.getJTextFieldLastName().getText());
        model.setEmailAddress(model.getJTextFieldEmailAddress().getText());
        model.setStreet(model.getJTextFieldStreet().getText());
        model.setNumber(model.getJTextFieldHouseNumber().getText());
        model.setAdditive(model.getJTextfieldAdditive().getText());
        model.setZipCode(model.getJTextFieldZipCode().getText());
        model.setCity(model.getJTextFieldCity().getText());
        try {
            controller.saveAddressToDataBase(this);
        } catch (Exception ex) {
            Logger.getLogger(MainWindowActionListenerAddMVCVIEW.class.getName()).log(Level.SEVERE, null, ex);
        }
coos wolff
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