Mine

import javax.swing.*;
import javax.swing.tree.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.event.*;

class IRCGuiListener implements ActionListener, ListSelectionListener, TreeSelectionListener, DocumentListener {
	public void actionPerformed(ActionEvent ae) {
		System.out.println(ae);
	}
    public void valueChanged(ListSelectionEvent lse) {
		System.out.println(lse);
	}
	public void valueChanged(TreeSelectionEvent e) {
		System.out.println(e);
	}
    public void insertUpdate(DocumentEvent e) {
		System.out.println(e);
	}
    public void removeUpdate(DocumentEvent e) {
		System.out.println(e);
	}
	public void changedUpdate(DocumentEvent e) {
		System.out.println(e);
	}
	public void textChanged(String action) {
		System.out.println(action);
	}
}