Java Servlet API 4.0.1 Source Code Files are important if you want to compile them with different JDK releases.

You can get Java Servlet API 4.0.1 Source Code Files from Servlet API Maven Website in the "4.0.1/" folder.

You can also browse Java Servlet API 4.0.1 Source Code files below:

⏎ javax/servlet/http/HttpSessionBindingListener.java

/*
 * Copyright (c) 1997-2018 Oracle and/or its affiliates. All rights reserved.
 * Copyright 2004 The Apache Software Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package javax.servlet.http;

import java.util.EventListener;


 
 

/**
 * Causes an object to be notified when it is bound to
 * or unbound from a session. The object is notified
 * by an {@link HttpSessionBindingEvent} object. This may be as a result
 * of a servlet programmer explicitly unbinding an attribute from a session,
 * due to a session being invalidated, or due to a session timing out.
 *
 *
 * @author		Various
 *
 * @see HttpSession
 * @see HttpSessionBindingEvent
 *
 */

public interface HttpSessionBindingListener extends EventListener {

    /**
     *
     * Notifies the object that it is being bound to
     * a session and identifies the session.
     *
     * @implSpec
     * The default implementation takes no action.
     * 
     * @param event		the event that identifies the
     *				session 
     *
     * @see #valueUnbound
     *
     */ 
    default public void valueBound(HttpSessionBindingEvent event) {}

    /**
     *
     * Notifies the object that it is being unbound
     * from a session and identifies the session.
     *
     * @implSpec
     * The default implementation takes no action.
     *
     * @param event		the event that identifies
     *				the session 
     *	
     * @see #valueBound
     *
     */
    default public void valueUnbound(HttpSessionBindingEvent event) {}
}

⏎ javax/servlet/http/HttpSessionBindingListener.java

Or download all of them as a single archive file:

File name: javax.servlet-api-4.0.1-sources.jar
File size: 203006 bytes
Release date: 2018-04-20
Download 

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