Desktop Application

Java Desktop Application: How to Make A Desktop Application and Open NetBeans See The Menu Bar go to the file Menu Click on the New Project(Ctrl+Shift+N) and Select Left site categories JAVA and Project categories to Right Site Project Java Application .You have to give The Program Name "DemoForm". if you wont to save Project Location you can Browse and File save on the direction place and Gone a default Place and Now uncheck the Main Class and then press the Finish button.you can see the project Status.


When you click left site Project Name and Right Click on the Source package go to the Java Class file.Next you have to give the Class Name as "DemoForm" and Source Name as "demoform" .click Finish.

Click on the Source Package go to Select JFrame form. you have to give JFrame form Name as "Registration" and Source package Name as "demoform". Click Finish.


You now need to add the interface (UI) elements to the form. when the form is open in Design view in the editor, The Palette appears in the left site in the IDE. To add and element to the form, drag the element from the palette into the form area. After you add an element to the form you need to modify the default value of the variable name Property for that element.



you see Program code forName of "Registration.java".
package demoform; import javax.swing.JFrame; import javax.swing.JOptionPane; import javax.swing.table.DefaultTableModel; public class Registration extends javax.swing.JFrame { private Object Gender; public Registration() { initComponents(); } @SuppressWarnings("") private void initComponents() { jPanel1 = new javax.swing.JPanel(); jPanel2 = new javax.swing.JPanel(); jLabalTitle = new javax.swing.JLabel(); jLabelUser = new javax.swing.JLabel(); jTextuser = new javax.swing.JTextField(); jLabelcity = new javax.swing.JLabel(); jComboBoxCity = new javax.swing.JComboBox(); jLabelThink = new javax.swing.JLabel(); jScrollPane1 = new javax.swing.JScrollPane(); jTextArea1 = new javax.swing.JTextArea(); jButtonSubmit = new javax.swing.JButton(); jButtonSubmitRset = new javax.swing.JButton(); jButtonSubmitEdit = new javax.swing.JButton(); jScrollPane2 = new javax.swing.JScrollPane(); jTable1 = new javax.swing.JTable(); setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE); setBackground(new java.awt.Color(102, 102, 255)); jPanel1.setBackground(new java.awt.Color(255, 255, 255)); javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1); jPanel1.setLayout(jPanel1Layout); jPanel1Layout.setHorizontalGroup( jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGap(0, 517, Short.MAX_VALUE) ); jPanel1Layout.setVerticalGroup( jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGap(0, 0, Short.MAX_VALUE) ); jPanel2.setBackground(new java.awt.Color(153, 153, 255)); jLabalTitle.setFont(new java.awt.Font("Tahoma", 1, 14)); // NOI18N jLabalTitle.setForeground(new java.awt.Color(255, 255, 255)); jLabalTitle.setHorizontalAlignment(javax.swing.SwingConstants.CENTER); jLabalTitle.setText("REGISTRATION FORM"); jLabalTitle.setCursor(new java.awt.Cursor(java.awt.Cursor.TEXT_CURSOR)); jLabelUser.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N jLabelUser.setForeground(new java.awt.Color(255, 255, 255)); jLabelUser.setHorizontalAlignment(javax.swing.SwingConstants.CENTER); jLabelUser.setIcon(new javax.swing.ImageIcon(getClass().getResource("/manoj/images/icon-user.png"))); // NOI18N jLabelUser.setText("User Name"); jLabelUser.setCursor(new java.awt.Cursor(java.awt.Cursor.DEFAULT_CURSOR)); jLabelcity.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N jLabelcity.setForeground(new java.awt.Color(255, 255, 255)); jLabelcity.setHorizontalAlignment(javax.swing.SwingConstants.CENTER); jLabelcity.setIcon(new javax.swing.ImageIcon(getClass().getResource("/manoj/images/icon-user.png"))); jLabelcity.setText("User City"); jComboBoxCity.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N jComboBoxCity.setForeground(new java.awt.Color(255, 255, 255)); jComboBoxCity.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "Select City", "Bhoapl", "Indor", "MP" })); jLabelThink.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N jLabelThink.setForeground(new java.awt.Color(255, 255, 255)); jLabelThink.setHorizontalAlignment(javax.swing.SwingConstants.CENTER); jLabelThink.setIcon(new javax.swing.ImageIcon(getClass().getResource("/manoj/images/icon-user.png"))); // NOI18N jLabelThink.setText("User Think"); jTextArea1.setColumns(20); jTextArea1.setRows(5); jScrollPane1.setViewportView(jTextArea1); jButtonSubmit.setBackground(new java.awt.Color(255, 0, 0)); jButtonSubmit.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N jButtonSubmit.setForeground(new java.awt.Color(255, 255, 255)); jButtonSubmit.setText("Submit"); jButtonSubmit.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButtonSubmitActionPerformed(evt); } }); jButtonSubmitRset.setBackground(new java.awt.Color(255, 0, 0)); jButtonSubmitRset.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N jButtonSubmitRset.setForeground(new java.awt.Color(255, 255, 255)); jButtonSubmitRset.setText("Rset"); jButtonSubmitRset.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButtonSubmitRsetActionPerformed(evt); } }); jButtonSubmitEdit.setBackground(new java.awt.Color(255, 0, 0)); jButtonSubmitEdit.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N jButtonSubmitEdit.setForeground(new java.awt.Color(255, 255, 255)); jButtonSubmitEdit.setText("Edit"); jTable1.setBorder(javax.swing.BorderFactory.createLineBorder(new java.awt.Color(51, 51, 255))); jTable1.setForeground(new java.awt.Color(102, 102, 255)); jTable1.setModel(new javax.swing.table.DefaultTableModel( new Object [][] { {null, null, null} }, new String [] { "User Name", "User City", "User Think" } )); jTable1.setGridColor(new java.awt.Color(102, 102, 255)); jScrollPane2.setViewportView(jTable1); javax.swing.GroupLayout jPanel2Layout = new javax.swing.GroupLayout(jPanel2); jPanel2.setLayout(jPanel2Layout); jPanel2Layout.setHorizontalGroup( jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel2Layout.createSequentialGroup() .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addComponent(jLabalTitle, javax.swing.GroupLayout.PREFERRED_SIZE, 221, javax.swing.GroupLayout.PREFERRED_SIZE) .addGap(150, 150, 150)) .addGroup(jPanel2Layout.createSequentialGroup() .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(jPanel2Layout.createSequentialGroup() .addGap(81, 81, 81) .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(jPanel2Layout.createSequentialGroup() .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false) .addComponent(jLabelcity, javax.swing.GroupLayout.PREFERRED_SIZE, 91, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(jLabelUser, javax.swing.GroupLayout.PREFERRED_SIZE, 91, javax.swing.GroupLayout.PREFERRED_SIZE)) .addGap(57, 57, 57) .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addComponent(jComboBoxCity, 0, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addComponent(jTextuser, javax.swing.GroupLayout.PREFERRED_SIZE, 196, javax.swing.GroupLayout.PREFERRED_SIZE))) .addGroup(jPanel2Layout.createSequentialGroup() .addComponent(jLabelThink, javax.swing.GroupLayout.PREFERRED_SIZE, 91, javax.swing.GroupLayout.PREFERRED_SIZE) .addGap(57, 57, 57) .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))) .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel2Layout.createSequentialGroup() .addGap(120, 120, 120) .addComponent(jButtonSubmitEdit) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED) .addComponent(jButtonSubmitRset) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED) .addComponent(jButtonSubmit))) .addGroup(jPanel2Layout.createSequentialGroup() .addGap(46, 46, 46) .addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 463, javax.swing.GroupLayout.PREFERRED_SIZE))) .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)) ); jPanel2Layout.linkSize(javax.swing.SwingConstants.HORIZONTAL, new java.awt.Component[] {jComboBoxCity, jScrollPane1, jTextuser}); jPanel2Layout.linkSize(javax.swing.SwingConstants.HORIZONTAL, new java.awt.Component[] {jButtonSubmit, jButtonSubmitEdit, jButtonSubmitRset}); jPanel2Layout.setVerticalGroup( jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(jPanel2Layout.createSequentialGroup() .addContainerGap() .addComponent(jLabalTitle, javax.swing.GroupLayout.PREFERRED_SIZE, 26, javax.swing.GroupLayout.PREFERRED_SIZE) .addGap(53, 53, 53) .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(jPanel2Layout.createSequentialGroup() .addComponent(jLabelUser, javax.swing.GroupLayout.PREFERRED_SIZE, 26, javax.swing.GroupLayout.PREFERRED_SIZE) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(jLabelcity, javax.swing.GroupLayout.PREFERRED_SIZE, 26, javax.swing.GroupLayout.PREFERRED_SIZE)) .addGroup(jPanel2Layout.createSequentialGroup() .addComponent(jTextuser, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(jComboBoxCity, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED) .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(jPanel2Layout.createSequentialGroup() .addGap(28, 28, 28) .addComponent(jLabelThink, javax.swing.GroupLayout.PREFERRED_SIZE, 26, javax.swing.GroupLayout.PREFERRED_SIZE)) .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 69, javax.swing.GroupLayout.PREFERRED_SIZE)) .addGap(29, 29, 29) .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jButtonSubmit) .addComponent(jButtonSubmitRset) .addComponent(jButtonSubmitEdit)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 33, Short.MAX_VALUE) .addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 58, javax.swing.GroupLayout.PREFERRED_SIZE) .addContainerGap()) ); jPanel2Layout.linkSize(javax.swing.SwingConstants.VERTICAL, new java.awt.Component[] {jComboBoxCity, jLabelUser, jTextuser}); 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) .addGap(40, 65, Short.MAX_VALUE)) .addComponent(jPanel2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) ); layout.setVerticalGroup( layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() .addComponent(jPanel2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)) ); pack(); }// </editor-fold> private void jButtonSubmitActionPerformed(java.awt.event.ActionEvent evt) { if(jTextuser.getText().length()==0){ JOptionPane.showMessageDialog(null,"User Name Should be Fill"); if(jComboBoxCity.getSelectedItem().toString()==null){ JOptionPane.showMessageDialog(null, "City Must Be Selected"); if(jTextArea1.getText().length()==0){ JOptionPane.showMessageDialog(null, "Should Be Write Text"); } } } String UserName=jTextuser.getText(); String City=jComboBoxCity.getSelectedItem().toString(); String Text=jTextArea1.getText(); DefaultTableModel Mol = (DefaultTableModel) jTable1.getModel(); //System.out.println(Model); Mol.setValueAt(UserName, 0, 0); Mol.setValueAt(City, 0, 1); Mol.setValueAt(Text, 0, 2); // TODO add your handling code here: } private void jButtonSubmitRsetActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here: jTextuser.setText(""); jTextArea1.setText(""); jComboBoxCity.setSelectedIndex(0); JOptionPane.showMessageDialog(null,"Reset Successfull"); } /** * @param args the command line arguments */ // Variables declaration - do not modify private javax.swing.JButton jButtonSubmit; private javax.swing.JButton jButtonSubmitEdit; private javax.swing.JButton jButtonSubmitRset; private javax.swing.JComboBox jComboBoxCity; private javax.swing.JLabel jLabalTitle; private javax.swing.JLabel jLabelThink; private javax.swing.JLabel jLabelUser; private javax.swing.JLabel jLabelcity; private javax.swing.JPanel jPanel1; private javax.swing.JPanel jPanel2; private javax.swing.JScrollPane jScrollPane1; private javax.swing.JScrollPane jScrollPane2; private javax.swing.JTable jTable1; private javax.swing.JTextArea jTextArea1; private javax.swing.JTextField jTextuser; // End of variables declaration }
you see Program code for Name of "DemoFormjava".
package demoform; /** * * @author Manoj */ public class DemoForm { /** * @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(Registration.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (InstantiationException ex) { java.util.logging.Logger.getLogger(Registration.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (IllegalAccessException ex) { java.util.logging.Logger.getLogger(Registration.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (javax.swing.UnsupportedLookAndFeelException ex) { java.util.logging.Logger.getLogger(Registration.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 Registration().setVisible(true); } }); } }
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