How to use

JFrame

in

javax.swing

  public void run () {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
    frame.setSize(480, 320);
    frame.setLocationRelativeTo(null);
    JPanel panel = new JPanel();
    frame.getContentPane().add(panel);
    panel.add(new NewSlider(200, 100, 500, 0.1f, 150, 300));
    frame.setVisible(true);
  }
});

  public static void main(String args[]) {
    JFrame frame = new JFrame();
    frame.setTitle("Title");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JButton button = new JButton();
    button.setText("Hello, World!");
    frame.getContentPane().add(button, BorderLayout.CENTER);
    frame.setSize(200, 100);
    frame.pack();
    frame.setVisible(true);
    frame.show();
  }
}

 JFrame frame = new JFrame();
frame.setLayout(new BorderLayout());
frame.setSize(200, 200);

// create the status bar panel and shove it down the bottom of the frame
JPanel statusPanel = new JPanel();
statusPanel.setBorder(new BevelBorder(BevelBorder.LOWERED));
frame.add(statusPanel, BorderLayout.SOUTH);
statusPanel.setPreferredSize(new Dimension(frame.getWidth(), 16));
statusPanel.setLayout(new BoxLayout(statusPanel, BoxLayout.X_AXIS));
JLabel statusLabel = new JLabel("status");
statusLabel.setHorizontalAlignment(SwingConstants.LEFT);
statusPanel.add(statusLabel);

frame.setVisible(true);

JFrame frame = new JFrame("FooRendererTest");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().add(mainPanel); // or whatever...
frame.pack();
frame.setLocationRelativeTo(null);  // *** this will center your app ***
frame.setVisible(true);

 @Override
 public void run() {
  // Create and set up the window.
  JFrame frame = new JFrame("XChart");
  frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  frame.add(chartPanel);
  // Display the window.
  frame.pack();
  frame.setVisible(true);
 }
});

public void go() throws Exception {
  if(!no_channel && !use_state)
    channel.connect(cluster_name);
  mainFrame=new JFrame();
  mainFrame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
  panel=new DrawPanel(use_state);
  panel.setBackground(background_color);
  sub_panel=new JPanel();
  mainFrame.getContentPane().add("Center", panel);
  clear_button=new JButton("Clear");
  clear_button.setFont(default_font);
  clear_button.addActionListener(this);
  leave_button=new JButton("Leave");
  leave_button.setFont(default_font);
  leave_button.addActionListener(this);
  sub_panel.add("South", clear_button);
  sub_panel.add("South", leave_button);
  mainFrame.getContentPane().add("South", sub_panel);
  mainFrame.setBackground(background_color);
  clear_button.setForeground(Color.blue);
  leave_button.setForeground(Color.blue);
  mainFrame.pack();
  mainFrame.setLocation(15, 25);
  mainFrame.setBounds(new Rectangle(250, 250));
  if(!no_channel && use_state) {
    channel.connect(cluster_name, null, state_timeout);
  }
  mainFrame.setVisible(true);
  setTitle();
}

updateValueLabel();
saveButton = new JButton("Save Value");
saveButton.addActionListener(this);
refreshButton = new JButton("Refresh Value");
refreshButton.addActionListener(this);
JPanel valuePanel = new JPanel(new FlowLayout(FlowLayout.CENTER));
valuePanel.add(valueField);
valuePanel.add(saveButton);
valuePanel.add(refreshButton);
methodPanel.add(secureMethod3Button);
frame = new JFrame("Apache Shiro Sample Application");
frame.setSize(500, 200);
Container panel = frame.getContentPane();
panel.setLayout(new BorderLayout());
panel.add(logo, BorderLayout.NORTH);
panel.add(valuePanel, BorderLayout.CENTER);
panel.add(methodPanel, BorderLayout.SOUTH);
frame.setVisible(true);
frame.addWindowListener(new WindowAdapter() {
  public void windowClosing(WindowEvent e) {
    System.exit(0);

$cat HelloWorldSwing.java
 package start;
 import javax.swing.*;
 public class HelloWorldSwing {
   public static void main(String[] args) {
     //Create and set up the window.
     JFrame frame = new JFrame("HelloWorldSwing");
     frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
     JLabel label = new JLabel("Hello World");
     frame.add(label);
     //Display the window.
     frame.pack();
     frame.setVisible(true);
   }
 }
 class Dummy {
   // just to have another thing to pack in the jar
 }

private void buildExtractButton() {
 if (extractButton == null) {
  JPanel buttonPanel = new JPanel();
  extractButton = new JButton("Run NER");
  buttonPanel.add(extractButton);
  frame.getContentPane().add(buttonPanel, BorderLayout.SOUTH);
  extractButton.addActionListener(actor);
 }
}

 public static void main(String[] args) {
  JFrame frame = new JFrame();
  frame.setLayout(new GridBagLayout());
  JPanel panel = new JPanel();
  panel.add(new JLabel("This is a label"));
  panel.setBorder(new LineBorder(Color.BLACK)); // make it easy to see
  frame.add(panel, new GridBagConstraints());
  frame.setSize(400, 400);
  frame.setLocationRelativeTo(null);
  frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  frame.setVisible(true);
}

private void buildExtractButton() {
 if (extractButton == null) {
  JPanel buttonPanel = new JPanel();
  extractButton = new JButton("Extract");
  buttonPanel.add(extractButton);
  frame.add(buttonPanel, BorderLayout.SOUTH);
  extractButton.addActionListener(actor);
 }
}

final JFrame frame = new JFrame("Nested Layout Example");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
final JPanel gui = new JPanel(new BorderLayout(5,5));
gui.setBorder( new TitledBorder("BorderLayout(5,5)") );
plafComponents.add(plafChooser);
plafComponents.add(pack);
gui.add(plafComponents, BorderLayout.NORTH);
  new TitledBorder("GridLayout(0,2,3,3)") );
JButton addNew = new JButton("Add Another Label");
dynamicLabels.add( addNew, BorderLayout.NORTH );
addNew.addActionListener( new ActionListener(){
gui.add( splitPane, BorderLayout.CENTER );
frame.setContentPane(gui);
frame.pack();
frame.setLocationRelativeTo(null);

JFrame frame = new JFrame();
frame.setTitle("Welcome!");
frame.setSize(520, 480);
frame.setLocationRelativeTo(null);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JPanel heroShotPanel = new JPanel();
JLabel heroShot = new JLabel(heroShotImage);
heroShotPanel.add(heroShot);
JPanel submitPanel = new JPanel(new FlowLayout(FlowLayout.CENTER));
JButton start = new JButton("Start");
start.setToolTipText("Click to use library");
submitPanel.add(start);
frame.getContentPane().add(heroShotPanel, BorderLayout.NORTH);
frame.getContentPane().add(submitPanel, BorderLayout.SOUTH);
frame.setVisible(true);
frame.getRootPane().setDefaultButton(start);
start.requestFocus();

repaint();
repaint();
JFrame testFrame = new JFrame();
testFrame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
final LinesComponent comp = new LinesComponent();
comp.setPreferredSize(new Dimension(320, 200));
testFrame.getContentPane().add(comp, BorderLayout.CENTER);
JPanel buttonsPanel = new JPanel();
JButton newLineButton = new JButton("New Line");
JButton clearButton = new JButton("Clear");
buttonsPanel.add(newLineButton);
buttonsPanel.add(clearButton);
testFrame.getContentPane().add(buttonsPanel, BorderLayout.SOUTH);
newLineButton.addActionListener(new ActionListener() {
testFrame.pack();
testFrame.setVisible(true);

private static void createWindowForPanel(AwtPanel panel, int location){
  JFrame frame = new JFrame("Render Display " + location);
  frame.getContentPane().setLayout(new BorderLayout());
  frame.getContentPane().add(panel, BorderLayout.CENTER);
  frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
  frame.addWindowListener(new WindowAdapter() {
    @Override
    public void windowClosed(WindowEvent e) {
      if (++panelsClosed == 2){
        app.stop();
      }
    }
  });
  frame.pack();
  frame.setLocation(location, Toolkit.getDefaultToolkit().getScreenSize().height - 400);
  frame.setVisible(true);
}

  public void run(){
    JFrame frame = new JFrame("Render Display");
    display = new ImageDisplay();
    display.setPreferredSize(new Dimension(width, height));
    frame.getContentPane().add(display);
    frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
    frame.addWindowListener(new WindowAdapter(){
      public void windowClosed(WindowEvent e){
        stop();
      }
    });
    frame.pack();
    frame.setLocationRelativeTo(null);
    frame.setResizable(false);
    frame.setVisible(true);
  }
});

protected MediaRendererController() {
  super(new JFrame(MediaRenderer.APPNAME), new MediaRendererLogCategories());
  statusIconButton.addActionListener(new ActionListener() {
    public void actionPerformed(ActionEvent actionEvent) {
      toggleLogPanel();
  statusIconButton.setFocusable(false);
  statusIconPanel.setPreferredSize(new Dimension(150, 200));
  statusIconPanel.setBorder(BorderFactory.createEmptyBorder(0, 10, 0, 10));
  statusIconPanel.add(statusIconButton);
  getLogPanel().setPreferredSize(new Dimension(800, 175));
  getView().setMinimumSize(new Dimension(150, 200));
  getView().add(statusIconPanel, BorderLayout.WEST);
  getView().add(getLogPanel(), BorderLayout.CENTER);
  getView().addWindowListener(this);
  getView().pack();
  getView().setResizable(true);

 component.getWidth(),
 component.getHeight(),
 BufferedImage.TYPE_INT_RGB
 );
component.paint( image.getGraphics() ); // alternately use .printAll(..)
return image;
Runnable r = new Runnable() {
 public void run() {
  final JFrame f = new JFrame("Test Screenshot");
    public void actionPerformed(ActionEvent ae) {
     BufferedImage img = getScreenShot(
      f.getContentPane() );
     JOptionPane.showMessageDialog(
      null,
  JMenuBar mb = new JMenuBar();
  mb.add(menu);
  f.setJMenuBar(mb);
  f.setContentPane( p );
  f.pack();
  f.setLocationRelativeTo(null);
  f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  f.setVisible(true);

 private void makeGUI()
{
  final JFrame f = new JFrame();
  f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  f.getContentPane().setLayout(new FlowLayout());

  // include: "class AnswerWorker" code here.
  // include: "JButton" b code here.

  f.getContentPane().add(b);
  f.getContentPane().add(new JButton("Nothing"));
  f.pack();
  f.setVisible(true);
}

setLayout(new BorderLayout());
this.panel = new JPanel();
this.panel.setLayout(new FlowLayout());
add(panel, BorderLayout.CENTER);
JButton button = new JButton("CLICK HERE");
add(button, BorderLayout.SOUTH);
button.addActionListener(this);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setSize(500, 500);
setVisible(true);
this.panel.add(new JButton("Button"));
this.panel.revalidate();
validate();