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/ServletContextListener.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;

import java.util.EventListener;

/** 
 * Interface for receiving notification events about ServletContext
 * lifecycle changes.
 *
 * <p>In order to receive these notification events, the implementation
 * class must be either declared in the deployment descriptor of the web
 * application, annotated with {@link javax.servlet.annotation.WebListener},
 * or registered via one of the addListener methods defined on
 * {@link ServletContext}.
 *
 * <p>Implementations of this interface are invoked at their
 * {@link #contextInitialized} method in the order in which they have been
 * declared, and at their {@link #contextDestroyed} method in reverse
 * order.
 *
 * @see ServletContextEvent
 *
 * @since Servlet 2.3
 */
public interface ServletContextListener extends EventListener {

    /**
     * Receives notification that the web application initialization
     * process is starting.
     *
     * <p>All ServletContextListeners are notified of context
     * initialization before any filters or servlets in the web
     * application are initialized.
     *
     * @param sce the ServletContextEvent containing the ServletContext
     * that is being initialized
     *
     * @implSpec
     * The default implementation takes no action.
     */
    default public void contextInitialized(ServletContextEvent sce) {}

    /**
     * Receives notification that the ServletContext is about to be
     * shut down.
     *
     * <p>All servlets and filters will have been destroyed before any
     * ServletContextListeners are notified of context
     * destruction.
     *
     * @param sce the ServletContextEvent containing the ServletContext
     * that is being destroyed
     *
     * @implSpec
     * The default implementation takes no action.
     */
    default public void contextDestroyed(ServletContextEvent sce) {}
}

⏎ javax/servlet/ServletContextListener.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
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