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POAdding title bar to JFrame (Linux)
 

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    <p>I am trying to add a title bar with the "X" button to an application. I've read about Look&amp;Feel in Java, but I have no idea what I am missing (I just created a Desktop Application, added a JFrame Form, and dragged'n'dropped a table - no logic yet).</p> <pre><code>/* * To change this template, choose Tools | Templates * and open the template in the editor. */ package javaapplication14; import framez.NewJFrame; /** * * @author uluroki */ public class JavaApplication14 { /** * @param args the command line arguments */ public static void main(String args[]) { /* Set the Nimbus look and feel */ //&lt;editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) "&gt; /* 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(NewJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (InstantiationException ex) { java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (IllegalAccessException ex) { java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (javax.swing.UnsupportedLookAndFeelException ex) { java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } //&lt;/editor-fold&gt; /* Create and display the form */ java.awt.EventQueue.invokeLater(new Runnable() { @Override public void run() { NewJFrame myframe = new NewJFrame(); myframe.setVisible(true); } }); } } /* * To change this template, choose Tools | Templates * and open the template in the editor. */ /* * NewJFrame.java * * Created on 2012-01-11, 21:13:30 */ package framez; /** * * @author uluroki */ public class NewJFrame extends javax.swing.JFrame { /** Creates new form NewJFrame */ public NewJFrame() { 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") // &lt;editor-fold defaultstate="collapsed" desc="Generated Code"&gt; private void initComponents() { jScrollPane1 = new javax.swing.JScrollPane(); jTable1 = new javax.swing.JTable(); setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE); jTable1.setModel(new javax.swing.table.DefaultTableModel( new Object [][] { {null, null, null, null}, {null, null, null, null}, {null, null, null, null}, {null, null, null, null} }, new String [] { "Title 1", "Title 2", "Title 3", "Title 4" } )); jScrollPane1.setViewportView(jTable1); 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(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 375, 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(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 275, javax.swing.GroupLayout.PREFERRED_SIZE) .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)) ); pack(); }// &lt;/editor-fold&gt; // Variables declaration - do not modify private javax.swing.JScrollPane jScrollPane1; private javax.swing.JTable jTable1; // End of variables declaration } </code></pre> <p>This is what NetBeans generated.</p>
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    1. COPlease include an [sscce](http://www.sscce.org). By default, a `JFrame` instance will have a title bar, unless [`setUndecorated(true)`](http://docs.oracle.com/javase/6/docs/api/java/awt/Frame.html#setUndecorated%28boolean%29) is invoked prior to *realization*.
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    2. COSorry mre. Question edited.
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    3. COhmmm Native OS rellated issue e.g. http://www.pendrivelinux.com/ubuntu-desktop-effects-fixing-the-missing-titlebar/
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