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.setText(t1.getSelectedText());
}
});
b.add(copy);
t2 = new JTextArea(10, 15);
t2.setEditable(false);
b.add(new JScrollPane(t2));
add(b);
setSize(425, 200);
setVisible(true);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
public static void main(String args[]) {
new Main();
}
}