Example usage for javax.swing JFrame JFrame

Introduction

In this page you can find the example usage for javax.swing JFrame JFrame.

Prototype

public JFrame() throws HeadlessException

Source Link

Document

Constructs a new frame that is initially invisible.

Usage

From source file:Main.java

public static void main(String... args) {
    JFrame frame = new JFrame();

    frame.addWindowListener(new WindowAdapter() {
        public void windowClosing(WindowEvent we) {
            int result = JOptionPane.showConfirmDialog(frame, "Do you want to Exit ?", "Exit Confirmation : ",
                    JOptionPane.YES_NO_OPTION);
            if (result == JOptionPane.YES_OPTION)
                frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
            else if (result == JOptionPane.NO_OPTION)
                frame.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
        }//  w ww  .  j  a  v a 2 s.com
    });

    frame.setSize(300, 300);
    frame.setVisible(true);

}

From source file:Main.java

public static void main(String[] args) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JPanel panel = new JPanel();
    final JButton button = new JButton("Select files...");
    button.addActionListener(e -> {/*from w w w  . ja v  a2s  .  c  o  m*/
        final JFileChooser chooser = new JFileChooser();
        chooser.setCurrentDirectory(chooser.getFileSystemView().getParentDirectory(new File("C:\\")));
        chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
        chooser.showDialog(button, "Select file");
    });
    panel.add(button);
    frame.add(panel);
    frame.pack();
    frame.setVisible(true);
}

From source file:UnicodeText.java

public static void main(String[] args) {
    JFrame f = new JFrame() {
        public void paint(Graphics g) {
            Graphics2D g2 = (Graphics2D) g;
            g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

            Font font = new Font("Lucida Sans Regular", Font.PLAIN, 32);

            g2.setFont(font);/*from   ww w .jav  a 2  s.  c  o m*/
            g2.drawString("\u032e\u0624\u0639", 40, 80);
        }
    };
    f.setSize(200, 200);
    f.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    JFrame frame = new JFrame();
    frame.setMaximumSize(new Dimension(350, 250));
    frame.addComponentListener(new ComponentAdapter() {
        public void componentResized(ComponentEvent evt) {
            Dimension size = frame.getSize();
            Dimension max = frame.getMaximumSize();
            if (size.getWidth() > max.getWidth()) {
                frame.setSize((int) max.getWidth(), (int) size.getHeight());
            }/*from   w w  w .j  a  va2 s .c o m*/
            if (size.getHeight() > max.getHeight()) {
                frame.setSize((int) size.getWidth(), (int) max.getHeight());
            }
        }
    });
    frame.setSize(200, 100);
    frame.setVisible(true);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}

From source file:MainClass.java

public static void main(final String args[]) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JDesktopPane desktop = new JDesktopPane();

    JInternalFrame palette = new JInternalFrame("Palette", true, false, true, false);
    palette.setBounds(350, 150, 100, 100);
    palette.putClientProperty("JInternalFrame.isPalette", Boolean.TRUE);
    desktop.add(palette, JDesktopPane.PALETTE_LAYER);
    palette.setVisible(true);/*  www. ja v a 2  s.  c om*/

    frame.add(desktop, BorderLayout.CENTER);
    frame.setSize(500, 300);
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    JFrame frame = new JFrame();
    JComponent button = new JButton("Cut");
    String tooltiptext = "<html>" + "This is the " + "<img src=\"file:cut.gif\">" + " tool tip text."
            + "</html>";
    button.setToolTipText(tooltiptext);//from  w w w . j av a 2s .c om
    JPanel panel = new JPanel();
    panel.add(button);
    frame.add(panel, BorderLayout.CENTER);
    frame.setSize(400, 400);
    frame.setVisible(true);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}

From source file:Main.java

public static void main(String[] args) {
    JFrame f = new JFrame();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.add(new JTable(new Object[][] { { 1, 2, 3 }, { 4, 5, 6 } }, new Object[] { "one", "two", "three" }) {
        {//w  ww.j  a  va 2 s .  c o  m
            addMouseMotionListener(new MouseAdapter() {
                @Override
                public void mouseDragged(MouseEvent e) {
                    System.out.println("mouseDragged");
                }

                @Override
                public void mousePressed(MouseEvent e) {
                    System.out.println("mousePressed");
                }

                @Override
                public void mouseReleased(MouseEvent e) {
                    System.out.println("mouseReleased");
                }
            });
        }
    });
    f.setVisible(true);
}

From source file:Main.java

public static void main(String[] a) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JTextField textField = new JTextField("A TextField");
    textField.addFocusListener(new FocusListener() {
        public void focusGained(FocusEvent e) {
            displayMessage("Focus gained", e);
        }//ww w .ja  v  a  2 s  . c  om

        public void focusLost(FocusEvent e) {
            displayMessage("Focus lost", e);
        }

        void displayMessage(String prefix, FocusEvent e) {
            System.out.println(e.getID() == FocusEvent.FOCUS_GAINED);
        }
    });
    frame.add(textField, "North");
    frame.add(new JTextField(), "South");
    frame.setSize(300, 200);
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String[] a) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JPanel outerPanel = new JPanel(new BorderLayout());
    JPanel topPanel = new JPanel(new BorderLayout());
    JLabel label = new JLabel("Name:");
    JTextField text = new JTextField();
    topPanel.add(label, BorderLayout.PAGE_START);
    topPanel.add(text, BorderLayout.CENTER);
    outerPanel.add(topPanel, BorderLayout.AFTER_LAST_LINE);

    frame.add(outerPanel);/*from w  w  w. j  a v a  2 s.  com*/
    frame.setSize(300, 200);
    frame.setVisible(true);

}

From source file:Main.java

public static void main(String[] a) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JPanel outerPanel = new JPanel(new BorderLayout());
    JPanel topPanel = new JPanel(new BorderLayout());
    JLabel label = new JLabel("Name:");
    JTextField text = new JTextField();
    topPanel.add(label, BorderLayout.LINE_START);
    topPanel.add(text, BorderLayout.CENTER);
    outerPanel.add(topPanel, BorderLayout.AFTER_LAST_LINE);

    frame.add(outerPanel);/*from   w  w w .  jav a 2s  .  co m*/
    frame.setSize(300, 200);
    frame.setVisible(true);

}