Warning: file_get_contents(/data/phpspider/zhask/data//catemap/9/java/310.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181
Java JFrame transition over按钮单击_Java_Swing_Jframe - Fatal编程技术网

Java JFrame transition over按钮单击

Java JFrame transition over按钮单击,java,swing,jframe,Java,Swing,Jframe,我在netbeans中创建了两个gui(一个登录表单,另一个用于添加数据或其他任何东西) 问题是,我不知道如何在关闭登录按钮对话框后显示另一个窗体 在下面我发布了两个框架的源代码。 第一个用于登录,第二个用于另一个框架 package hms; import java.awt.Color; import javax.swing.JOptionPane; public class Login extends javax.swing.JFrame { /** * Create

我在netbeans中创建了两个gui(一个登录表单,另一个用于添加数据或其他任何东西)

问题是,我不知道如何在关闭登录按钮对话框后显示另一个窗体

在下面我发布了两个框架的源代码。 第一个用于登录,第二个用于另一个框架

package hms;

import java.awt.Color;
import javax.swing.JOptionPane;

public class Login extends javax.swing.JFrame {

    /**
     * Creates new form Login
     */
    public Login() {
        setTitle("Login");
        getContentPane().setBackground(new Color(255,255,255));
        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() {
        bindingGroup = new org.jdesktop.beansbinding.BindingGroup();

        jPanel1 = new javax.swing.JPanel();
        UsernameLabel = new javax.swing.JLabel();
        PasswordLabel = new javax.swing.JLabel();
        UsernameTextField = new javax.swing.JTextField();
        PasswordField = new javax.swing.JPasswordField();
        LoginButton = new javax.swing.JButton();
        CancelButton = new javax.swing.JButton();
        jPanel2 = new javax.swing.JPanel();
        jLabel3 = new javax.swing.JLabel();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setTitle("HMS Login");
        setBounds(new java.awt.Rectangle(0, 0, 721, 410));
        setIconImages(null);
        setMaximizedBounds(new java.awt.Rectangle(0, 0, 721, 410));

        jPanel1.setBackground(new java.awt.Color(255, 255, 255));
        jPanel1.setMaximumSize(new java.awt.Dimension(3276, 3276));
        jPanel1.setMinimumSize(new java.awt.Dimension(0, 0));
        jPanel1.setName(""); // NOI18N

        UsernameLabel.setText("Username:");

        PasswordLabel.setText("Password:");

        UsernameTextField.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                UsernameTextFieldActionPerformed(evt);
            }
        });
        UsernameTextField.addKeyListener(new java.awt.event.KeyAdapter() {
            public void keyTyped(java.awt.event.KeyEvent evt) {
                UsernameTextFieldKeyTyped(evt);
            }
        });

        PasswordField.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                PasswordFieldActionPerformed(evt);
            }
        });
        PasswordField.addKeyListener(new java.awt.event.KeyAdapter() {
            public void keyTyped(java.awt.event.KeyEvent evt) {
                PasswordFieldKeyTyped(evt);
            }
        });

        LoginButton.setBackground(new java.awt.Color(102, 255, 255));
        LoginButton.setText("Login");

        org.jdesktop.beansbinding.Binding binding = org.jdesktop.beansbinding.Bindings.createAutoBinding(org.jdesktop.beansbinding.AutoBinding.UpdateStrategy.READ_WRITE, LoginButton, org.jdesktop.beansbinding.ELProperty.create("${action.enabled}"), LoginButton, org.jdesktop.beansbinding.BeanProperty.create("selected"));
        bindingGroup.addBinding(binding);

        LoginButton.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                LoginButtonMouseClicked(evt);
            }
            public void mouseReleased(java.awt.event.MouseEvent evt) {
                LoginButtonMouseReleased(evt);
            }
        });
        LoginButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                LoginButtonActionPerformed(evt);
            }
        });

        CancelButton.setBackground(new java.awt.Color(102, 255, 255));
        CancelButton.setText("Cancel");
        CancelButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                CancelButtonActionPerformed(evt);
            }
        });

        jLabel3.setIcon(new javax.swing.ImageIcon(getClass().getResource("/hms/login icon.jpg"))); // NOI18N

        javax.swing.GroupLayout jPanel2Layout = new javax.swing.GroupLayout(jPanel2);
        jPanel2.setLayout(jPanel2Layout);
        jPanel2Layout.setHorizontalGroup(
            jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(jLabel3, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
        );
        jPanel2Layout.setVerticalGroup(
            jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(jLabel3, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
        );

        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addGap(37, 37, 37)
                .addComponent(jPanel2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(71, 71, 71)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup()
                        .addComponent(LoginButton, javax.swing.GroupLayout.PREFERRED_SIZE, 88, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(40, 40, 40)
                        .addComponent(CancelButton, javax.swing.GroupLayout.PREFERRED_SIZE, 87, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup()
                        .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                            .addComponent(UsernameLabel, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                            .addComponent(PasswordLabel, javax.swing.GroupLayout.PREFERRED_SIZE, 93, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addGap(18, 18, 18)
                        .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                            .addComponent(UsernameTextField, javax.swing.GroupLayout.DEFAULT_SIZE, 143, Short.MAX_VALUE)
                            .addComponent(PasswordField))
                        .addGap(36, 36, 36)))
                .addContainerGap(49, Short.MAX_VALUE))
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(jPanel1Layout.createSequentialGroup()
                        .addGap(54, 54, 54)
                        .addComponent(jPanel2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(jPanel1Layout.createSequentialGroup()
                        .addGap(151, 151, 151)
                        .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                            .addComponent(UsernameLabel, javax.swing.GroupLayout.PREFERRED_SIZE, 22, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(UsernameTextField, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                            .addComponent(PasswordLabel, javax.swing.GroupLayout.PREFERRED_SIZE, 22, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(PasswordField, javax.swing.GroupLayout.PREFERRED_SIZE, 29, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addGap(38, 38, 38)
                        .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                            .addComponent(CancelButton, javax.swing.GroupLayout.PREFERRED_SIZE, 36, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(LoginButton, javax.swing.GroupLayout.PREFERRED_SIZE, 36, javax.swing.GroupLayout.PREFERRED_SIZE))))
                .addContainerGap(30, 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()
                .addContainerGap()
                .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );

        bindingGroup.bind();

        setSize(new java.awt.Dimension(729, 444));
        setLocationRelativeTo(null);
    }// </editor-fold>                        

    private void UsernameTextFieldActionPerformed(java.awt.event.ActionEvent evt) {                                                  
        // TODO add your handling code here:
    }                                                 

    private void PasswordFieldActionPerformed(java.awt.event.ActionEvent evt) {                                              
        // TODO add your handling code here:
    }                                             

    private void LoginButtonMouseClicked(java.awt.event.MouseEvent evt) {                                         
        // TODO add your handling code here:

    }                                        

    private void LoginButtonActionPerformed(java.awt.event.ActionEvent evt) {                                            

    }                                           

    private void UsernameTextFieldKeyTyped(java.awt.event.KeyEvent evt) {                                           
        // TODO add your handling code here:
    }                                          

    private void PasswordFieldKeyTyped(java.awt.event.KeyEvent evt) {                                       
        // TODO add your handling code here:
    }                                      

    private void LoginButtonMouseReleased(java.awt.event.MouseEvent evt) {                                          
    JOptionPane.showMessageDialog(null, "Successfully Login");
    }                                         

    private void CancelButtonActionPerformed(java.awt.event.ActionEvent evt) {                                             
        System.exit(0);
    }                                            

    /**
     * @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 http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html 
         */
        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(Login.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(Login.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(Login.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(Login.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>

        /* Create and display the form */
        java.awt.EventQueue.invokeLater(new Runnable() {
            @Override
            public void run() {
                new Login().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify                     
    private javax.swing.JButton CancelButton;
    private javax.swing.JButton LoginButton;
    private javax.swing.JPasswordField PasswordField;
    private javax.swing.JLabel PasswordLabel;
    private javax.swing.JLabel UsernameLabel;
    private javax.swing.JTextField UsernameTextField;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JPanel jPanel2;
    private org.jdesktop.beansbinding.BindingGroup bindingGroup;
    // End of variables declaration                   
}
package-hms;
导入java.awt.Color;
导入javax.swing.JOptionPane;
公共类登录扩展了javax.swing.JFrame{
/**
*创建新表单登录
*/
公共登录(){
设置标题(“登录”);
getContentPane().setBackground(新颜色(255255));
初始化组件();
}
/**
*从构造函数中调用此方法来初始化表单。
*警告:不要修改此代码。此方法的内容始终为
*由表单编辑器重新生成。
*/
@抑制警告(“未选中”)
//                           
私有组件(){
bindingGroup=new org.jdesktop.beansbinding.bindingGroup();
jPanel1=newjavax.swing.JPanel();
usernamelab=newjavax.swing.JLabel();
PasswordLabel=newjavax.swing.JLabel();
UsernameTextField=newjavax.swing.JTextField();
PasswordField=newjavax.swing.JPasswordField();
LoginButton=newjavax.swing.JButton();
CancelButton=newjavax.swing.JButton();
jPanel2=newjavax.swing.JPanel();
jLabel3=newjavax.swing.JLabel();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
setTitle(“HMS登录”);
setBounds(新java.awt.Rectangle(0,072410));
setIconImages(空);
setMaximizedBounds(新java.awt.Rectangle(0,0721410));
setBackground(新java.awt.Color(255、255、255));
setMaximumSize(新java.awt.Dimension(32763276));
setMinimumSize(新的java.awt.Dimension(0,0));
jPanel1.setName(“”;//NOI18N
usernamelab.setText(“用户名:”);
PasswordLabel.setText(“密码:”);
UsernameTextField.addActionListener(新java.awt.event.ActionListener(){
public void actionPerformed(java.awt.event.ActionEvent evt){
UsernameTextFieldActionPerformed(evt);
}
});
UsernameTextField.addKeyListener(新java.awt.event.KeyAdapter(){
public void keyTyped(java.awt.event.KeyEvent evt){
UsernameTextFieldKeyTyped(evt);
}
});
PasswordField.addActionListener(新java.awt.event.ActionListener(){
public void actionPerformed(java.awt.event.ActionEvent evt){
PasswordFieldActionPerformed(evt);
}
});
addKeyListener(新的java.awt.event.KeyAdapter(){
public void keyTyped(java.awt.event.KeyEvent evt){
PasswordFieldKeyTyped(evt);
}
});
setBackground(新java.awt.Color(102255));
setText(“登录”);
org.jdesktop.beansbinding.Binding Binding Binding=org.jdesktop.beansbinding.Bindings.createAutoBinding(org.jdesktop.beansbinding.AutoBinding.UpdateStrategy.READ_WRITE,LoginButton,org.jdesktop.beansbinding.ELProperty.create(${action.enabled}),LoginButton,org.jdesktop.beansbinding.BeanProperty.create(“选中”);
bindingGroup.addBinding(绑定);
addMouseListener(新java.awt.event.MouseAdapter(){
public void mouseClicked(java.awt.event.MouseEvent evt){
登录按钮鼠标点击(evt);
}
public void mouseereleased(java.awt.event.MouseEvent evt){
LoginButtonMouseReleased(evt);
}
});
LoginButton.addActionListener(新java.awt.event.ActionListener(){
public void actionPerformed(java.awt.event.ActionEvent evt){
执行登录按钮操作(evt);
}
});
setBackground(新java.awt.Color(102255));
CancelButton.setText(“取消”);
CancelButton.addActionListener(新java.awt.event.ActionListener(){
public void actionPerformed(java.awt.event.ActionEvent evt){
执行的取消按钮操作(evt);
}
});
jLabel3.setIcon(新的javax.swing.ImageIcon(getClass().getResource(“/hms/login icon.jpg”);//NOI18N
javax.swing.GroupLayout jPanel2Layout=新的javax.swing.GroupLayout(jPanel2);
设置布局(jPanel2布局);
jPanel2Layout.setHorizontalGroup(
jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel3,javax.swing.GroupLayout.DEFAULT\u SIZE,javax.swing.GroupLayout.DEFAULT\u SIZE,Short.MAX\u值)
);
jPanel2Layout.setVerticalGroup(
jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel3、javax.swing.GroupLayout.Alignment.TRAILING、javax.swing.GroupLayout.DEFAULT\u SIZE、javax.swing.GroupLayout.DEFAULT\u SIZE、Short.MAX\u值)
);
javax.swing.GroupLayout jPanel1Layout=新的javax.swing.GroupLayout(jPanel1);
setLayout(jPanel1Layout);
jPanel1Layout.setHorizontalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jpanellayout.createSequentialGroup()
.addGap(37,37,37)
.addComponent(jPanel2,javax.swing.GroupLayout.PREFERRED\u SIZE,javax.swing.GroupLayout.DEFAULT\u SIZE,javax.swing.GroupLayout.PREFERRED\u SIZE)
.addGap(71,71,71)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING,jPanel1Layout.createSequentialGroup()
.addComponent(登录单元
package hms;

import java.awt.Color;
import javax.swing.table.DefaultTableModel;

public class APPTAB extends javax.swing.JFrame {

    /**
     * Creates new form APPTAB
     */
    public APPTAB() {
        setTitle("Hospital Management System");
        getContentPane().setBackground(new Color(255,255,255));
        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();
        CredentialsTable = new javax.swing.JTable();
        FirstNameLabel = new javax.swing.JLabel();
        FirstNameTextField = new javax.swing.JTextField();
        ADDButton = new javax.swing.JButton();
        LastNameLabel = new javax.swing.JLabel();
        LastNameTextField = new javax.swing.JTextField();
        MessageLabel = new javax.swing.JLabel();
        CategoryComboBox = new javax.swing.JComboBox<>();
        CategoryLabel = new javax.swing.JLabel();
        IDSSNLabel = new javax.swing.JLabel();
        IDSSNTextField = new javax.swing.JTextField();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setTitle("HOSPITAL MANAGEMENT SYSTEM");
        setBackground(new java.awt.Color(255, 255, 255));
        setBounds(new java.awt.Rectangle(0, 0, 590, 423));
        setMaximizedBounds(new java.awt.Rectangle(0, 0, 590, 423));

        CredentialsTable.setModel(new javax.swing.table.DefaultTableModel(
            new Object [][] {

            },
            new String [] {
                "First Name", "Last Name", "Category", "ID / SSN"
            }
        ));
        jScrollPane1.setViewportView(CredentialsTable);

        FirstNameLabel.setText("First Name:");

        ADDButton.setBackground(new java.awt.Color(153, 204, 255));
        ADDButton.setText("Add");
        ADDButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                ADDButtonActionPerformed(evt);
            }
        });

        LastNameLabel.setText("Last Name:");

        MessageLabel.setForeground(new java.awt.Color(255, 0, 0));

        CategoryComboBox.setModel(new javax.swing.DefaultComboBoxModel<>(new String[] { "Doctor", "Patient" }));

        CategoryLabel.setText("Category:");

        IDSSNLabel.setText("ID / SSN:");

        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(149, 149, 149)
                        .addComponent(CategoryLabel)
                        .addGap(52, 52, 52)
                        .addComponent(CategoryComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, 100, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(149, 149, 149)
                        .addComponent(IDSSNLabel)
                        .addGap(57, 57, 57)
                        .addComponent(IDSSNTextField, javax.swing.GroupLayout.PREFERRED_SIZE, 100, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(270, 270, 270)
                        .addComponent(ADDButton))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(97, 97, 97)
                        .addComponent(MessageLabel, javax.swing.GroupLayout.PREFERRED_SIZE, 377, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(97, 97, 97)
                        .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 380, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(149, 149, 149)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(FirstNameLabel)
                                .addGap(46, 46, 46)
                                .addComponent(FirstNameTextField, javax.swing.GroupLayout.PREFERRED_SIZE, 100, javax.swing.GroupLayout.PREFERRED_SIZE))
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(LastNameLabel)
                                .addGap(47, 47, 47)
                                .addComponent(LastNameTextField, javax.swing.GroupLayout.PREFERRED_SIZE, 100, javax.swing.GroupLayout.PREFERRED_SIZE)))))
                .addContainerGap(113, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(36, 36, 36)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addGap(6, 6, 6)
                        .addComponent(FirstNameLabel))
                    .addComponent(FirstNameTextField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(11, 11, 11)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addGap(3, 3, 3)
                        .addComponent(LastNameLabel))
                    .addComponent(LastNameTextField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(11, 11, 11)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addGap(3, 3, 3)
                        .addComponent(CategoryLabel))
                    .addComponent(CategoryComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(11, 11, 11)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addGap(3, 3, 3)
                        .addComponent(IDSSNLabel))
                    .addComponent(IDSSNTextField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(21, 21, 21)
                .addComponent(ADDButton)
                .addGap(15, 15, 15)
                .addComponent(MessageLabel, javax.swing.GroupLayout.PREFERRED_SIZE, 23, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(11, 11, 11)
                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 130, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(51, Short.MAX_VALUE))
        );

        pack();
    }// </editor-fold>                        

    private void ADDButtonActionPerformed(java.awt.event.ActionEvent evt) {                                          
        MessageLabel.setText("");
        DefaultTableModel model = (DefaultTableModel)CredentialsTable.getModel();
        if(!FirstNameTextField.getText().trim().equals("")){
        model.addRow(new Object[]{FirstNameTextField.getText(),CategoryComboBox.getSelectedItem().toString(),LastNameTextField.getText(),IDSSNTextField.getText()});
    }                                         
        else{
        MessageLabel.setText("All fields are mandatory!");
        }
    }
    /**
     * @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 http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html 
         */
        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(APPTAB.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(APPTAB.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(APPTAB.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(APPTAB.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>
        //</editor-fold>

        /* Create and display the form */
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new APPTAB().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify                     
    private javax.swing.JButton ADDButton;
    private javax.swing.JComboBox<String> CategoryComboBox;
    private javax.swing.JLabel CategoryLabel;
    private javax.swing.JTable CredentialsTable;
    private javax.swing.JLabel FirstNameLabel;
    private javax.swing.JTextField FirstNameTextField;
    private javax.swing.JLabel IDSSNLabel;
    private javax.swing.JTextField IDSSNTextField;
    private javax.swing.JLabel LastNameLabel;
    private javax.swing.JTextField LastNameTextField;
    private javax.swing.JLabel MessageLabel;
    private javax.swing.JScrollPane jScrollPane1;
    // End of variables declaration                   
}