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How can I append text to JTextArea in Java?
To append text to JTextArea, use the component’s append() method. Let’sa say the following is our text in the JTextArea -
JTextArea textArea = new JTextArea("The text added here is just for demo. "+ "
This demonstrates the usage of JTextArea in Java. ");Now, append text to the same textArea -
textArea.append("In this example we have deleted some text from the beginning."+ "
We have also appended some text.");The following is an example to append text to JTextArea -
Example
package my;
import java.awt.GridLayout;
import javax.swing.*;
public class SwingDemo {
SwingDemo() {
JFrame frame = new JFrame("Demo");
JTextArea textArea = new JTextArea("The text added here is just for demo. "+ "
This demonstrates the usage of JTextArea in Java. ");
int begn = 0;
int end = 10;
textArea.replaceRange(null, begn, end);
textArea.append("In this example we have deleted some text from the beginning."+ "
We have also appended some text.");
frame.add(textArea);
frame.setSize(550,300);
frame.setLayout(new GridLayout(2, 2));
frame.setVisible(true);
}
public static void main(String args[]) {
new SwingDemo
();
}
}Output
Updated on: 30-Jul-2019
2K+ Views
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