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 More

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 More

To set the default background color of JTextPane, use the SimpleAttributeSet and StyleConstants class. At first, create a new JTextPane −JTextPane pane = new JTextPane();Now, use the classes to set the style and color −SimpleAttributeSet attributeSet = new SimpleAttributeSet(); StyleConstants.setBackground(attributeSet, Color.white);Now, apply the set to the pane −pane.setCharacterAttributes(attributeSet, true);The following is an example to set default background color 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 void main(String args[]) throws BadLocationException {       JFrame frame = new ... Read More

In this article, we will learn how to get text from a JTextPane in Java and display it in the console. We'll use the getText() method to retrieve the text and show it in the console. Additionally, we’ll apply simple text styling like italics and color using SimpleAttributeSet to demonstrate how to manage styled text in a GUI. Steps to get text from JTextPane Following are the steps to get text from JTextPane and display it in the Console using Java − First, we will start by creating a JFrame to serve as the main window of ... Read More

To format text in JTextPane, use the SimpleAttributeSet and StyleConstants class. This allows you to set the style of text, background color, foreground color, etc.At first, create a new JTextPane −JTextPane pane = new JTextPane();Now, use the classes to set the style and color −SimpleAttributeSet attributeSet = new SimpleAttributeSet(); StyleConstants.setItalic(attributeSet, true); StyleConstants.setForeground(attributeSet, Color.black); StyleConstants.setBackground(attributeSet, Color.orange);Now, apply the set to the pane −pane.setCharacterAttributes(attributeSet, true);The following is an example to format text in 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 void ... Read More

In this article, we will learn to set a JTextArea in Java to wrap text by word, ensuring that the words in the text fit neatly within the display area rather than breaking in the middle. We will create a simple GUI application using JTextArea and configure it to wrap text by word, so the content is more readable within the bounds of the text area. Steps to set JTextArea to wrap by word Following are the steps to set JTextArea to wrap by word − Import the required classes from javax.swing and java.awt for GUI ... Read More

To replace the first 10 character in text area, use the replaceRange() method in Java and replace the old text with the new text.Let’s say the following is oude demo text set with JTextArea −JTextArea textArea = new JTextArea("This is a text displayed for our example. We have replaced some of the text.");Now, replace the characters in a range −int begn = 0; int end = 10; // replace textArea.replaceRange("Replaced! ", begn, end);The following is an example to replace the first 10 charactrers in JTextArea −Examplepackage my; import java.awt.GridLayout; import javax.swing.*; public class SwingDemo {    SwingDemo() {     ... Read More

Yes, we can do that using built-in methods of JTextArea components. Let’say the following is our JTextArea −JTextArea textArea = new JTextArea("This is a text displayed for our example. We have selected some of the text.");Now, use the methods setSelectionStart() and setSelectionEnd() to select some text in a range −textArea.setSelectionStart(5); textArea.setSelectionEnd(20);The following is an example to select some of the text in a JTextArea −Examplepackage my; import java.awt.GridLayout; import javax.swing.*; public class SwingDemo {    SwingDemo() {       JFrame frame = new JFrame("Demo");       JTextArea textArea = new JTextArea("This is a text displayed for our example. ... Read More

In this article, we will learn to paste clipboard text into a JTextArea using Java. We'll use the paste() method to create a simple program that lets users insert clipboard content directly into a text area. The program will display a basic GUI window with a JTextArea, where any text copied to the clipboard can be easily pasted. Steps to paste clipboard text to JTextArea Following are the steps to paste clipboard text to JTextArea − First, import necessary classes from packages like javax.swing and java.awt to create the GUI components. Create a ... Read More

Let’s say the following is our JTextArea with default text −JTextArea textArea = new JTextArea("The text added here is just for demo. "    + "This demonstrates the usage of JTextArea in Java. In this example we have"    + "deleted some text.");Now to remove the first 10 characters, use replaceRange() method and set null from one end to another i.e. deleting characters in a range. The replaceRaneg() method Replaces text from the indicated start to end position with the new text specified i.e.e here null will replace the first 10 characters −int start = 0; int end = 10; ... Read More