JDK 1.1 source code directory contains Java source code for JDK 1.1 core classes: "C:\fyicenter\jdk-1.1.8\src".

Here is the list of Java classes of the JDK 1.1 source code:

⏎ java/awt/event/WindowListener.java

/*
 * @(#)WindowListener.java	1.8 01/12/10
 *
 * Copyright 2002 Sun Microsystems, Inc. All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */

package java.awt.event;

import java.util.EventListener;

/**
 * The listener interface for receiving window events.
 *
 * @version 1.8 12/10/01
 * @author Carl Quinn
 */
public interface WindowListener extends EventListener {
    /**
     * Invoked when a window has been opened.
     */
    public void windowOpened(WindowEvent e);

    /**
     * Invoked when a window is in the process of being closed.
     * The close operation can be overridden at this point.
     */
    public void windowClosing(WindowEvent e);

    /**
     * Invoked when a window has been closed.
     */
    public void windowClosed(WindowEvent e);

    /**
     * Invoked when a window is iconified.
     */
    public void windowIconified(WindowEvent e);

    /**
     * Invoked when a window is de-iconified.
     */
    public void windowDeiconified(WindowEvent e);

    /**
     * Invoked when a window is activated.
     */
    public void windowActivated(WindowEvent e);

    /**
     * Invoked when a window is de-activated.
     */
    public void windowDeactivated(WindowEvent e);
}

⏎ java/awt/event/WindowListener.java

Or download all of them as a single archive file:

File name: jdk-1.1.8-src.zip
File size: 1574187 bytes
Release date: 2018-11-16
Download 

⇒ Backup JDK 1.1 Installation Directory

⇐ JDK 1.1 classes.zip - Java Core Classes

⇑ Download and Review JDK 1.1

⇑⇑ FAQ for JDK (Java Development Kit)