Copy selected text from one text area to another : JTextArea « Swing « Java Tutorial

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.Box;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;

public class Main extends JFrame {
  private JTextArea t1 = new JTextArea("this is a test", 10, 15), t2;

  private JButton copy = new JButton("Copy >>>");

  public Main() {
    Box b = Box.createHorizontalBox();    
    b.add(new JScrollPane(t1));    
    copy.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {

    t2 = new JTextArea(10, 15);
    b.add(new JScrollPane(t2));

    setSize(425, 200);
  public static void main(String args[]) {
    new Main();

14.16.1.JTextArea: for multiple-line input.
14.16.2.Setting JTextArea Line Wrap and Wrap Style
14.16.3.Using JTextAreaUsing JTextArea
14.16.4.Set font for I18N to JTextAreaSet font for I18N to JTextArea
14.16.5.Hello in Japanese
14.16.6.Using Actions with Text Components: JTextArea
14.16.7.Copy selected text from one text area to another
14.16.8.Modifying Text in a JTextArea Component
14.16.9.Insert some text after the 5th character
14.16.10.Append some text to JTextArea
14.16.11.Replace the first 3 characters with some text
14.16.12.Delete the first 5 characters
14.16.13.Enumerating the Lines in a JTextArea Component
14.16.14.Setting the Tab Size of a JTextArea Component
14.16.15.Moving the Focus with the TAB Key in a JTextArea Component
14.16.16.Customizing a JTextArea Look and Feel
14.16.17.Highlight of discontinous string
14.16.18.Setting text drag in a JTextArea
14.16.19.Enumerate the content elements with a ElementIterator