Getting which key is pressed without adding keylistener

Question

I need to get which key is being currently pressed in valuechanged of treeselection event. i need to know which key is pressed before executing the code for treeselection event

Answer 1

1. In the future, note there is a Swing forum exactly for questions like this, questions about Swing:
http://forum.java.sun.com/forum.jspa?forumID=57
2. Can you explain your problem better?
Demo:
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
public class KeyEventExample implements Runnable, KeyListener, TreeSelectionListener {
    @Override public void run() {
        JTree tree = new JTree();
        tree.addKeyListener(this);
        tree.addTreeSelectionListener(this);
        JFrame f = new JFrame("KeyEventExample");
        f.getContentPane().add(new JScrollPane(tree));
        f.pack();
        f.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        f.setLocationRelativeTo(null);
        f.setVisible(true);
    @Override public void keyPressed(KeyEvent evt) {
        System.out.println("keyPressed " + evt.getKeyCode());
    @Override public void keyReleased(KeyEvent evt) {
        System.out.println("keyReleased " + evt.getKeyCode());
    @Override public void keyTyped(KeyEvent evt) {
        System.out.println("keyTyped " + evt.getKeyChar());
    @Override public void valueChanged(TreeSelectionEvent evt) {
        System.out.println("valueChanged " + evt.getPath());
    public static void main(String[] args) {
        EventQueue.invokeLater(new KeyEventExample());
}