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Programming Articles
Page 2487 of 2547
How to set style for JTextPane in Java?
To set style for text in JTextPane, use setItalic() or setBold() that sets italic or bold style for font respectively.Following is our JTextPane component −JTextPane pane = new JTextPane();Now, use the StyleConstants class to set style for the JTextPane we created above. We have also set the background and foregound color −SimpleAttributeSet attributeSet = new SimpleAttributeSet(); StyleConstants.setItalic(attributeSet, true); StyleConstants.setForeground(attributeSet, Color.black); StyleConstants.setBackground(attributeSet, Color.orange); pane.setCharacterAttributes(attributeSet, true);The following is an example to set style for JTextPane −Examplepackage my; import java.awt.BorderLayout; import java.awt.Color; import java.awt.Container; import javax.swing.JFrame; import javax.swing.JScrollPane; import javax.swing.JTextPane; import javax.swing.text.BadLocationException; import javax.swing.text.SimpleAttributeSet; import javax.swing.text.StyleConstants; public class SwingDemo { public static ...
Read MoreSet Bounds for JProgressBar in Java Swing
Use the setBounds() method to set Bounds for JProgressBar in Java Swing −JProgressBar progressBar; progressBar.setBounds(70, 50, 120, 30);The following is an example to set bounds for JProgressBar −Examplepackage my; import javax.swing.*; public class SwingDemo extends JFrame { JProgressBar progressBar; int i = 0; SwingDemo() { progressBar = new JProgressBar(0, 1000); progressBar.setBounds(70, 50, 120, 30); progressBar.setValue(0); progressBar.setStringPainted(true); add(progressBar); setSize(550, 150); setLayout(null); } public void inc() { while (i
Read MoreHow to add components with relative X and Y Coordinates in Java?
To add components with relative X and Y coordinates, you need to set both the gridx and gridy components −GridBagConstraints constraints = new GridBagConstraints(); constraints.gridy = GridBagConstraints.RELATIVE; constraints.gridx = GridBagConstraints.RELATIVE;The following is an example to add components with relative X and Y Coordinates −Examplepackage my; import java.awt.GridBagConstraints; import java.awt.GridBagLayout; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; public class SwingDemo { public static void main(String[] args) { JFrame frame = new JFrame(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); JPanel panel = new JPanel(); panel.setLayout(new GridBagLayout()); GridBagConstraints constraints = new GridBagConstraints(); ...
Read MoreHow to use JTextPane to style code in Java?
To style code in a TextPane component use the setText() for text and work with HTML tags. For code, use the tag. Also, do not forget to set the content type to “text/html” −JTextPane pane = new JTextPane(); pane.setContentType("text/html");If you won’t set the content type, then the output will display all these HTML tags inside the JTextPane. Now, set the code inside −pane.setText(" #include ; using namespace std; main() {cout
Read MoreHow to set fullscreen mode for Java Swing Application?
To set fullscreen mode for your Java Swing application, use the setFullScreenWindow() method:GraphicsDevice device = graphics.getDefaultScreenDevice(); JFrame frame = new JFrame("Fullscreen"); device.setFullScreenWindow(frame);The following is an example to set fullscreen mode for Java Swing Application:Exampleimport java.awt.Color; import java.awt.GraphicsDevice; import java.awt.GraphicsEnvironment; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; public class SwingDemo { public static void main(String[] args) { GraphicsEnvironment graphics = GraphicsEnvironment.getLocalGraphicsEnvironment(); GraphicsDevice device = graphics.getDefaultScreenDevice(); JFrame frame = new JFrame("Fullscreen"); JPanel panel = new JPanel(); JLabel label = new JLabel("", JLabel.CENTER); ...
Read MoreHow can we set Mnemonic Key Radio Button in Java?
Mnemonic key is set so that a user can use Keyboard keys to select a Radio Button. For example, a key can be set with ALT −radio2.setMnemonic(KeyEvent.VK_R);Above, we have set key ALT+R for radio2.The following is an example to set Mnemonic key radio button −package my; import java.awt.FlowLayout; import java.awt.event.KeyEvent; import javax.swing.ButtonGroup; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JRadioButton; public class SwingDemo { public static void main(String[] args) { JRadioButton radio1 = new JRadioButton("Male"); JRadioButton radio2 = new JRadioButton("Female"); radio2.setMnemonic(KeyEvent.VK_R); ButtonGroup group = new ButtonGroup(); ...
Read MoreI want to highlight all the text in the Java Swing Control Text Pane
To highlight all the text, use the selectAll() method of the JTextPane component −JTextPane pane = new JTextPane(); pane.selectAll();The following is an example to highlight the JTextPane text. Here, we are displaying a code in the JTextPane and highlighting it −Examplepackage my; import java.awt.BorderLayout; import java.awt.Container; import javax.swing.JFrame; import javax.swing.JScrollPane; import javax.swing.JTextPane; import javax.swing.text.BadLocationException; public class SwingDemo { public static void main(String args[]) throws BadLocationException { JFrame frame = new JFrame("Demo"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); Container container = frame.getContentPane(); JTextPane pane = new JTextPane(); pane.setContentType("text/html"); ...
Read MoreHow to change JFrame background color in Java
At first, create a JFrame −JFrame frame = new JFrame(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setPreferredSize(new Dimension(550, 300));Now, change the background color of the JFrame −frame.getContentPane().setBackground(Color.BLUE);The following is an example to change JFrame background color −Exampleimport java.awt.Color; import java.awt.Dimension; import javax.swing.JFrame; public class SwingDemo { public static void main(String[] args) { JFrame frame = new JFrame(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setPreferredSize(new Dimension(550, 300)); frame.getContentPane().setBackground(Color.BLUE); frame.pack(); frame.setVisible(true); } }Output
Read MoreJava Program to wrap text in a JTextPane and show Scrollbar
Let’s say we have lots of content in our JTextPane component −textPane.setText("This is demo text1. This is demo text2. This is demo text3." + "This is demo text4.This is demo text5. This is demo text6. " + "This is demo text7. This is demo text8. This is demo text9. " + "This is demo text10. This is demo text11. This is demo text12." + "This is demo text13. This is demo text13. This is demo text14." + "This is demo text15. This is demo text13. This is demo text16." + " This is demo ...
Read MoreHow to close JFrame on the click of a Button in Java
Set frame.dispose() on the click of a button to close JFrame. At first create a button and frame −JFrame frame = new JFrame(); JButton button = new JButton("Click to Close!");Now, close the JFrame on the click of the above button with Action Listener −button.addActionListener(e -> { frame.dispose(); });The following is an example to close JFrame on the click of a Button −Exampleimport java.awt.Color; import java.awt.Dimension; import javax.swing.JButton; import javax.swing.JFrame; public class SwingDemo { public static void main(String[] args) { JFrame frame = new JFrame(); JButton button = new JButton("Click to Close!"); ...
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