Urgent: Setting character limit for JTextArea

Question

Hi, I am newbie to java swing and I have a question.
I need to set a limit of 2000 characters that can be typed in a text box(JTextArea). How do I do that?
Thanks for the help.

Answer 1

Here is the sample code to do this using KeyListener. This is crude way but is an easy way for newbie's. Using documents is more sophisticated way.
<code>
public class LimitedCharsTest extends JFrame {
private JTextArea limitedCharTextArea = new JTextArea();
public static final int MAX_CHARS = 10;
public LimitedCharsTest() {
JScrollPane scrollPane = new JScrollPane(limitedCharTextArea);
this.getContentPane().add(scrollPane);
this.setSize(200,200);
limitedCharTextArea.addKeyListener(new TextAreaKeyListener());
this.setVisible(true);
public static void main(String[] args) {
LimitedCharsTest limitedCharsTest1 = new LimitedCharsTest();
private class TextAreaKeyListener extends KeyAdapter {
public void keyTyped(KeyEvent ke) {
String taContent = limitedCharTextArea.getText();
if(taContent != null && taContent.length() >= MAX_CHARS)
ke.consume();
</code>