Print out the key event information from JTextField in Java

//from  ww w. ja  v  a  2 s .c o  m
import java.awt.FlowLayout;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;

import javax.swing.JFrame;
import javax.swing.JTextField;

public class Main {
  public static void main(String[] args) {
    JFrame f = new JFrame("Text Field Elements");

    f.setLayout(new FlowLayout());
    JTextField textfield = new JTextField(20);
    KeyListener keyListener = new KeyListener() {
      public void keyPressed(KeyEvent keyEvent) {
        printIt("Pressed", keyEvent);
      }

      public void keyReleased(KeyEvent keyEvent) {
        printIt("Released", keyEvent);
      }

      public void keyTyped(KeyEvent keyEvent) {
        printIt("Typed", keyEvent);
      }

      private void printIt(String title, KeyEvent keyEvent) {
        int keyCode = keyEvent.getKeyCode();
        String keyText = KeyEvent.getKeyText(keyCode);
        System.out.println(title + " : " + keyText + " / "
            + keyEvent.getKeyChar());
      }
    };


    textfield.addKeyListener(keyListener);
    f.add(textfield);
    f.pack();
    f.setVisible(true);

  }


}