Java 11 Websocket Example

1 with installed Dart plugin. Require assistance with simple pure Java 11 WebSocket client example (self. It is a very thin layer over TCP that transforms a stream of bytes into a stream of messages (either text or binary) and not much more. The Undertow component provides HTTP and WebSocket based endpoints for consuming and producing HTTP/WebSocket requests. In our ticket. Java server javascript client websockets: I don't know this WebSocket thing, but unless that string you gave it is wrapped by it in some way, that is NOT http Update: though what i said is still valid, actually it's the other way around - it's the client objecting to the behaviour of the server. WebSocket 解决了客户端和服务器的一些即时通讯问题,减少轮询写起网页 app 确实方便不少,去年夏天参加黑客松也确实尝试了一下 WebSocket 的便利,当时用 python 做的服务器,后来回去想再工作项目上用,但新的技术升级,随之而来还是要解决很多非技术问题. IO's "Hello world" is a chat app in just a few lines of code. It provides a SQL interface compliant with the DB-API 2. JSR 356 or the Java API for WebSocket, specifies an API that Java developers can use for integrating WebSockets withing their applications - both on the server side as well as on the Java client side. Tomcat provides support for WebSocket from the version Tomcat 7. The following code example is a simple example of a WebSocket endpoint using annotations. Both Java™ and Node. Echo Client Example Describes how to use the WebSocket API for creating a simple echo client. An example of a successful upgrade handshake is shown below in Section 2. Building Real-time Apps with Websockets & Server-Sent Events This article was peer reviewed by Craig Bilner and Dan Prince. Jetty 9 is the most recent version of Jetty and has a great many improvements over previous versions. Since being integrated into Java 11, the API has seen a few changes. Socket io is the king library that uses websockets under the hood. The Java WebSocket 1. It is an Maven. It is not a lib written in XYZ that has a few Java examples to mark a check off list. Send browser content, via a websocket, to a Java application for encryption, with encrypted data returned to the browser. This reference will take you through simple. For example, in a chat application, if a user sends a message to a different user, the the application sends that message to the server first and the server informs the application of the second user. 0 the cluster module doesn’t work. py to route the websocket to java socket. Zur Demonstration von HTML5-Websockets habe ich mit webbit einen einfachen WebSocket-Server geschrieben, der Nachrichten entgegen nimmt und diese Nachrichten wieder an den jeweiligen angemeldeten Client zurück schickt. OnMessage: This method level annotation can be used to make a Java method receive incoming web socket messages. This blog will quickly demonstrate how simple and fast it take to build WebSocket application. WebSocket does imply a messaging architecture but does not mandate the use of any specific messaging protocol. messages from one computer is not being delivered to other computer. Configuring ActiveMQ. There appears to be very little Java 11 (pure Java non framework based) WebSocket client code examples on the web so I'm hoping StackOverflow can come to the rescue for me once again. Net, and more is available. Websocket Load Testing With JMETER Apache JMeter is a load testing tool which is used to analyze and measure performance for any service that we develop. Our robust pub-sub type WebSocket layer might look something such as this example: This update reduces our entire channeling system to a single line of code, based on the type of the data we're receiving; data. 3 x 220 Ohm resistor. Apache Ant™ Apache Ant is a Java library and command-line tool whose mission is to drive processes described in build files as targets and extension points dependent upon each other. Introduction 1. Sample code for the demo application is available on GitHub. When the client send msg "Hi", to the server, it should reply with "Hi Back". Meet Django. 11 El Capitan, macOS 10. Using a WebSocket connection, Web applications can perform real-time communication instead of having to poll for changes back and forth. Allow users to concurrently edit a document and see each other's changes. _ Historically, creating web applications that need bidirectional communication between a client and a server (e. I've already include the final application in the attachment (chat. That is to say fmt. This Java API provides both server and client side components: Server: everything in the javax. Apache ActiveMQ™ is the most popular open source, multi-protocol, Java-based messaging server. It's awesome news and today's post will be about using this great new API along with Spring Framework. 0 when the final release is available), which provides the websocket API and transitively the jetty implementation. Builder A builder of HTTP requests. Android WebSocket Client For the Android client, we are going to make a simple demo app that contains four image buttons of cute animals. An enum is a special type of data type which is basically a collection (set) of constants. d framework. import websocket ws = websocket. A thread of execution is a sequence of instructions that can be executed concurrently with other such sequences in multithreading environments, while sharing a same address space. HandshakeResponse import javax. 2019, 7:53am #11. HTML5 compliant web browsers provide an implementation of the specification to enable clients to connect to a WebSocket server and to send and receive data ( IE10+, Chrome 16+, Firefox 11+, Safari 6+ ). Project structure. The WebSocket protocol was standardized by the IETF as RFC 6455 in 2011, and the WebSocket API in Web IDL is being standardized by the W3C. This removes the possibility to use this library on a environment with high load. The examples are extracted from open source Java projects. The WebRTC components have been optimized to best serve this purpose. The OpenJDK 11 download page on java. Learn to create a Java websocket client in 5 min. Apache NetBeans is free and open source and is governed by the Apache Software Foundation. 18 Java API for WebSocket. Welcome to JavaScript Kit, a comprehensive resource for JavaScript tutorials, scripts, and more. Tutorial is just awesome. Use the response. Check out this post were we explore how to handle HTTP Clients and. Oracle MAF and WebSockets - I will describe how it works together. So I'm using the websocket library from the tomcat 8. The APIs use java. CompleteableFuture to provide. We are using the latest release of the GlassFish application server. Web Sockets in Java Java API for WebSocket (JSR-356) annotationson POJOs to interact with WebSocket lifecycle events interfacesto implement to interact with WebSocket lifecycle events integration with other Java EE technologies{ EJB, CDI Petr K remen (petr. This site houses links to the documentation, source code repository, issues list and information related to GWT roadmap and release. Spring Boot WebSocket Angular 8 Gradle Example. See how to use native JavaScript to create smooth scrolling HTML bookmark links inside the page, and for those that need legacy browser support, using jQuery instead. Websocket Example Code for Websocket clients (FOSS) There are a lot of implementations and examples available on Github for Websocket clients. Websocket examples. Download Java for OS X 2017-001. Jetty 9 & Websockets Example Jetty is best webserver for Embedded application deployment. In this tutorial we will learn how to use enums in Java and what are the possible scenarios where we can use them. The Undertow component provides HTTP and WebSocket based endpoints for consuming and producing HTTP/WebSocket requests. com @reza_rahman. What is STOMP? STOMP is a simple text-orientated messaging protocol. JSR 356, Java API for WebSocket, specifies Java API that developers can use to integrate WebSockets into their applications — both on the server side as well as on the Java client side. WebSocket tutorial with Java server (Jetty) and JavaScript client Posted on September 19, 2013 by admin WebSocket is a web technology providing full-duplex communications channels over a single TCP connection. js, the different types of modules there are, how to install them and use them to develop a simple example. To enable websocket support, you have to add javax. Being an advanced web technology, it may appear intimidating. Use the response. The server is in java, I use websockify. Learn Web Design & Development with SitePoint tutorials, courses and books - HTML5, CSS3, JavaScript, PHP, mobile app development, Responsive Web Design. With WebSockets, we are able to create a two-way communication line which can be used in many scenarios like real-time applications. net states: "This page provides production-ready open-source builds of the Java Development Kit, version 11, an implementation of the Java SE 11 Platform under the GNU General Public License, version 2, with the Classpath Exception. WebRTC is a free, open project that enables web browsers with Real-Time Communications (RTC) capabilities via simple JavaScript APIs. Created to be an easy way to make WebSocket endpoints in C++. WebSocket Client API – Java 8 Pavel Bucek Since Java 8 was released, lots of new or reworked APIs emerged, simply because Java 8 is really evolutionary step in Java language specification and it is definitely worth to update the APIs to enable newly added features. 28元/次 学生认证会员7折 分享. Written by the leading expert on Java WebSocket programming, this Oracle Press guide offers practical development strategies and detailed example applications. Starting with JSF 2. Echo Client Example Describes how to use the WebSocket API for creating a simple echo client. Now you can compose a integration flow whose final destination is a WebSocket client. 이 소스를 바탕으로 채팅 방개념으로 만드려고 하는데요 같은 방에 입장한 사람들만 들어가게 하려고 하는데 잘 안되네요 도움좀 부탁 드립니다. Java SE 11 & JDK 11 and low-level client interfaces to WebSocket. jar和tomcat7-websocket. Tutorial WebSocket em Java 1. websocket? I want to connect to websocket (ws://socket. Mon Nov 13 11:00:31 ICT 2017 This is the date time information returned from the server. WebSocket 解决了客户端和服务器的一些即时通讯问题,减少轮询写起网页 app 确实方便不少,去年夏天参加黑客松也确实尝试了一下 WebSocket 的便利,当时用 python 做的服务器,后来回去想再工作项目上用,但新的技术升级,随之而来还是要解决很多非技术问题. The tests were performed using a DFRobot's ESP32 module integrated in a ESP32 development board. Java WebSocket Home has a user interface for connecting and controlling fictitious devices from a web browser to a Java application. Since being integrated into Java 11, the API has seen a few changes. net) is dedicated to provide you free high-quality java tutorials with a lot of java examples you can use for learning or completing your tasks as java developer. At the server side I have running a tomcat with a java websocket endpoint. Web Samples Using ActiveMQ > Web Samples There are a few example programs demonstrating the REST , Ajax and WebSockets messaging that comes with the ActiveMQ distribution. They allow the browser real-time communication bridging one of the last gaps in both human and web-based communication. Java servlets are server-side programs (running inside a web server) that handle clients' requests and return a customized or dynamic response for each request. It defines an interoperable wire format so that any of the available STOMP clients can communicate with any STOMP message broker to provide easy and widespread messaging interoperability among languages and platforms (the STOMP web site has a list of STOMP client and server implementations. WebSocket协议规范将ws(WebSocket)和wss(WebSocket Secure)定义为两个新的统一资源标识符(URI)方案 ,分别对应明文和加密连接。 除了方案名称和片段ID(不支持 # )之外,其余的URI组件都被定义为此URI的通用语法。. The property is org. send() blocks the calling thread until the response is available. WebSocket help to communicate the servers with clients in async manner. Building Real-time Apps with Websockets & Server-Sent Events This article was peer reviewed by Craig Bilner and Dan Prince. This is a general-purpose WebSocket implementation extracted from the Faye project. It is a very thin layer over TCP that transforms a stream of bytes into a stream of messages (either text or binary) and not much more. The example described here presents how to implement simple websocket service as JavaEE web application that can be deployed on any servlet container supporting Servlet 3. We have just released new updates for C# and Java clients, fixing several issues that were reported recently. Coming with Java 11, the incubated HTTP APIs from Java 9 are now officially incorporated into the Java SE API. WebSocket does imply a messaging architecture but does not mandate the use of any specific messaging protocol. A WebSocket is a two-way communication protocol. Learn to create a Java websocket client in 5 min. mojo:exec-maven-plugin:1. The proxy server must allow “CONNECT” method to websocket port. Hi, I'm familiar with websocket API integration in java. This is the classic model that TinkerPop has long been based on and many examples, blog posts and other resources on the internet will be demonstrated in this style. Play is based on a lightweight, stateless, web-friendly architecture. Requests can be sent either synchronously or asynchronously. Jetty 9 is the most recent version of Jetty and has a great many improvements over previous versions. Although the flagship feature of Java 9 is Modularity, a large number of other enhancements are planned for this release. Additionally, you’ll need to make sure you have a copy of the JDK. As of Java 11, the API is now fully asynchronous. conf file, by adding the following: listener 9001 protocol websockets. Some applications can use SQLite for internal data storage. A client loads up a web page and then nothing happens until the user clicks onto the next page. Although the flagship feature of Java 9 is Modularity, a large number of other enhancements are planned for this release. The OpenJDK 11 download page on java. Current implementation of websocket-client is using "CONNECT" method via proxy. Project Structure Find the project structure of our chat demo application. js In this post I'll show you how to start using websockets in node. WebSocket Protocol erroneously states that the status code is required for the start the WebSocket closing handshake algorithm. This tutorial will be useful for most Java developers, starting from. Socket class represents the socket between the client and the server, and the java. WebSockets is the most technically challenging HTML5 feature to implement, but for truly interactive websites, it's a technology well worth learning. Part I — Writing the Server Component. 13 High Sierra, macOS 10. IO_TIMEOUT_MS and is the timeout as a String in milliseconds. Hello, I need to implement Watson TTS using WebSockets in Java and I prefer. This tutorial will be useful for most Java developers, starting from. JSR 356 is part of the upcoming Java EE 7 standard. send() blocks the calling thread until the response is available. This blog will quickly demonstrate how simple and fast it take to build WebSocket application. Coding the Application Client: MyAppClient. The use case is about some sailing regatta which takes place in the Tasman Sea. WebSocket instances are created through WebSocket. Introduction. Author: markt Date: Tue Jan 22 22:57:04 2013 New Revision: 1437226 URL: http://svn. The Java client enables connecting to an ASP. The full source code, including examples using WebSockets, can be found here. The best examples are live updates websites, where once user access the website neither user nor browser sends request to the server to get the latest updates. The actual readable and/or interpretable content that you want to send over the websocket protocol, is called a websocket "message". com:1234), send message (add channel) and listen to Stack Overflow. Java is a high-level programming language originally developed by Sun Microsystems and released in 1995. Create a class Called WebSocketEndpoint. 49 Java Message Service Examples. WebSocket help to communicate the servers with clients in async manner. Java server javascript client websockets: I don't know this WebSocket thing, but unless that string you gave it is wrapped by it in some way, that is NOT http Update: though what i said is still valid, actually it's the other way around - it's the client objecting to the behaviour of the server. 11 Using Converters, Listeners, and Validators Implementing Encoders to Convert Java Objects into WebSocket Messages. Document collaboration. You can vote up the examples you like and your votes will be used in our system to generate more good examples. Android WebSocket Client For the Android client, we are going to make a simple demo app that contains four image buttons of cute animals. First, I'll cover using the framework I have provided, then we will go into detail on the framework itself. The following are top voted examples for showing how to use javax. Using a WebSocket connection, Web applications can perform real-time communication instead of having to poll for changes back and forth. Create a browser client With the server side pieces in place, now let’s turn our attention to the JavaScript client that will send messages to and receive messages from the server side. In another tutorial, we saw that Basic authentication relies on a Base64 encoded 'Authorization' header whose value consists of the word 'Basic' followed by a space followed by the Base64 encoded name:password. This section is non-normative. OnOpen will handle the creation of a javax. When using the WebSocket client to connect to secure server endpoints, the client SSL configuration is controlled by the userProperties of the provided javax. Spring Boot WebSocket Getting Started example This article is from official tutorial Using WebSocket to build an interactive web application However, there is a little different from the original example, but most are the same. And so I find myself somewhat confused by exactly what each does, what the differences between them are, and what purpose each ideally serves. Sending requests. With hybrid. I want to use JMeter with the Plugin to make some websocket tests. The Undertow component provides HTTP and WebSocket based endpoints for consuming and producing HTTP/WebSocket requests. Quickly and easily develop desktop, mobile, and web applications with Java, JavaScript, HTML5, PHP, C/C++ and more. io module for Node. HTML5 WebSockets - security & new tool for attacking WebSockets is definately one of the brighter features of HTML5. WebSocket Server Client Communication in Java Web Application 11/07/2013 by mohan Here We will see WebSocket JavaScript interface, which defines a full-duplex single socket connection over which messages can be sent between client and server. Using WebSocket with ColdFusion 11 by Awdhesh Kumar - Follow up post by Awdhesh Kumar in 2014 regarding enhancements to WebSockets in ColdFusion 11. Require assistance with simple pure Java 11 WebSocket client example (self. Given other reported security issues with the protoco. Create a class Called WebSocketEndpoint. Ensure that the s variable is properly formatted to be handled by the geometry object otherwise, you will not see the results you expect. The HTTP handler does change your global variable; however you don't protect access to the global variable and thus have a race condition. WebSocket is a computer communications protocol, providing full-duplex communication channels over a single TCP connection. It is perfect for website with real time communication between users, like with online communicators for example. Introduction : Websocket is used to develop two way communication between server and browser. In this tutorial I will take you through a example script that publishes messages and subscribes to topics using MQTT and websockets. This component uses WebSocket and a Java EE based server For example, DPA knows that wait time should be X at 8 a. Finlay explains how you can take advantage of new asynchronous API changes in Java 11 to perform a REST API call to handle HTTP and WebSocket operations. js and similar libraries, it is sure to gain popularity. 4 we introduced websocket origin checks for. It is really helpful for a newbie like me. 2 and later. Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. annotate a POJO with javax. Slides from my tutorial on creating a websocket chat application using Java EE 7, GlassFish4, Maven, Bootstrap and jQuery. Some WebSocket libraries are better than others at detecting connection drops. The following code example is a simple example of a WebSocket endpoint using annotations. For this example I'll be using the NetBeans 7. Eclipse Jetty provides a Web server and javax. Part I — Writing the Server Component. Jetty: primary project repository: Code Review: about summary refs log tree commit diff stats. Java/Android WebSocket Client. The example is fully functional. Play Framework makes it easy to build web applications with Java & Scala. In this chapter we will create an example where we control an RGB LED with a web page via WebSocket. March 25, 2019 at 3:03 pm. jQuery is a fast, small, and feature-rich JavaScript library. Meet Django. JSON is a text format that is completely language independent but uses conventions that are familiar to programmers of the C-family of languages, including C, C++, C#, Java, JavaScript, Perl, Python, and many others. In Java SE 9, Oracle Corp is going to release New HTTP 2 Client API to support HTTP/2 protocol and WebSocket features. It provides classes for easily building WebSocket servers and clients in Node. Here the most important annotations are @ServerEndpoint, @OnOpen, @OnClose and @OnError, in these methods you put whatever you want to get executed when these events happen: 3. 12 Sierra, macOS 10. Java EE7 ships a very compact WebSocket API structure in two packages: javax. 我写了个websocket应用,服务器端是tomcat下的java servelet,用的库是javax. xml We have inherited the spring-boot-starter-parent pom and added the only dependency spring-boot-starter-websocket which will bring in all…. There appears to be very little Java 11 (pure Java non framework based) WebSocket client code examples on the web so I'm hoping StackOverflow can come to the rescue for me once again. A WebSocket is a two-way communication protocol. Run the WebSocket client as shown below. Spring Boot WebSocket Angular 8 Gradle Example. WebSockets is the most technically challenging HTML5 feature to implement, but for truly interactive websites, it's a technology well worth learning. WebSocket tutorial with Java server (Jetty) and JavaScript client Posted on September 19, 2013 by admin WebSocket is a web technology providing full-duplex communications channels over a single TCP connection. mod_proxy_wstunnel is a new module of Apache 2. I've already include the final application in the attachment (chat. messages from one computer is not being delivered to other computer. In this brief post, let's see how we can implement a simple web socket client for a non-stomp based websocket service. The socket. Java concurrency – CountDownLatch Example By Lokesh Gupta | Filed Under: Java Concurrency As per java docs, CountDownLatch is a synchronization aid that allows one or more threads to wait until a set of operations being performed in other threads completes. Background _This section is non-normative. I've googled for hours, days without fully understanding how to code the Server part. The Java EE architecture provides services that simplify the most. This article has introduced, through a concrete example, the WebSocket protocol, the HTML5 WebSocket API and Java API for WebSocket released with Java EE 7. Apache HttpComponents. Java Training (38 Courses, 16+ Projects) Python Certification Training (34 Courses, 10+ Projects) HTML Training (12 Courses, 11+ Projects) Recommended Articles This has been a guide to the top difference between WebSocket vs REST. This time I’ll keep the same code on the server, but the client will be written in Dart. The Hyper-Text Transfer Protocol (HTTP) is perhaps the most significant protocol used on the Internet today. Previously we tried the Pure ECS to create a Pong animation, this article will show example snippet of how to use Hybrid ECS. It's a big step forward again compared to Java 8 (which was the first LTS release) and ensures the continuing innovation of the Java platform. The following is a table of different features of notable WebSocket implementations. Java 11 officially changes this. WebSocket Protocol erroneously states that the status code is required for the start the WebSocket closing handshake algorithm. NET client, the Java client enables you to receive and send messages to a hub in real time. Connecting to a web site using Basic authentication is fairly straightforward. Groovy-Based Apache Groovy is a language for the Java platform designed to enhance developers' productivity. 0 and they also give several example applications to demonstrate how to use the websocket, take the echoMessage for example, It provides one way to echo back the message which It receives. Snippet 0x01: Undertow, an embeddable Java HTTP / WebSocket / REST server Undertow is a lightweight HTTP and WebSocket server for Java. complies with RFC 6455 (The WebSocket Protocol); works on Java SE 1. http client package. This presents a. You can vote up the examples you like and your votes will be used in our system to generate more good examples. HTML documents might be rendered to a screen, or through a speech synthesizer, or on a braille display. You need to make change to the mosquitto. http that exports a package of the same name is defined in JDK 11, which contains the client interfaces:. Java WebSockets. In this article, we will explore the new possibilities that they provide to a developer. jar和tomcat7-websocket. Createa a Java EE Web application called MyWebSocket for example. I hope these examples of creating Java REST (RESTful) clients using the Apache HttpClient have been helpful. server package. We will use the WebSocket API to create a simple Server. The underlying classes are implemented java. Encryption is supported with self-signed certificates made with the java keytool. Play is based on a lightweight, stateless, web-friendly architecture. First, we need to create a Spark Maven project (→ Tutorial) Dependencies. 1 and higher. TinkerPop maintains the reference implementation for the GTM, which is written in Java and thus available for the Java Virtual Machine (JVM). Send browser content, via a websocket, to a Java application for encryption, with encrypted data returned to the browser. Persevere creator Kris Zyp has created dojox. HTTP 2 Client. The default is 5000 (5 seconds). Java WebSockets. C# (CSharp) ClientWebSocket - 26 examples found. Websocket Example Code for Websocket clients (FOSS) There are a lot of implementations and examples available on Github for Websocket clients. In our ticket. Works good and is lightweight. 58068 17-11-11 10:26:13 00 0 0 152. Websocket examples using. WebSocket does imply a messaging architecture but does not mandate the use of any specific messaging protocol. Now in this article, I would like to suggest a few free open-source projects developed using Spring Boot so that you can go ahead and check out the source code and have a hands-on experience on real projects. Project Structure Find the project structure of our chat demo application. js provide support for server side WebSocket. Java WebSocket Programming explains how to design client/server applications, incorporate full-duplex messaging, establish connections, create endpoints, handle path mapping, and secure. Java Tutorial Network (JavaTutorial. As of Java 11, the API is now fully asynchronous. webbit A Java event based WebSocket and HTTP server. Socket and Socket. How to create a 3D Terrain with Google Maps and height maps in Photoshop - 3D Map Generator Terrain - Duration: 20:32. import websocket ws = websocket. The intent of this project is to help you "Learn Java by Example" TM. This version is very important because WebSockets API has changed since the article Jetty WebSocket Server. WebSocket instances are created through WebSocket. java Coding the Application Client: HumanResourceClient. java application presented in Part 1, Lesson 6: File Access and Permissions. Jetty: primary project repository: Code Review: about summary refs log tree commit diff stats. HyBi Working Group J. net or java. That's why I didn't hesitate to add yet another websocket-chat tutorial to the existing ones on the internet in favour of gathering some experience with this technology and a possible integration using a GlassFish 4 server, the new Java API for JSON Processing for data. Spring Boot Websocket Example In our current project we want to add a service that uses websockets to push messages to our mobile applications. It is a very thin layer over TCP that transforms a stream of bytes into a stream of messages (either text or binary) and not much more. Java REST clients using the Apache HttpClient library. WebSocket help to communicate the servers with clients in async manner. 12 Sierra, macOS 10. Current implementation of websocket-client is using “CONNECT” method via proxy. The OpenJDK 11 download page on java. Yes, i can run and restart the tomcat. Working with last RFC, not a full implementation. If one is using Java EE 7, then one can also use the native Websocket implementation. This tutorial gives a complete understanding of Java. Spring Boot 2. There are three boats participating in the regatta and they are going to cross the Tasman Sea sailing from Australia to New Zealand coast. One example of Future is , which immediately return a Future object. Check out this post were we explore how to handle HTTP Clients and. Since the container thread pool is not exposed via the Servlet API, the WebSocket implementation has to provide its own thread pool. The following code example is a simple example of a WebSocket endpoint using annotations. * The Netty Project licenses this file to you under the Apache License,. This blog will quickly demonstrate how simple and fast it take to build WebSocket application. The text output can be HTML web pages, e-mails, configuration files, source code, etc. If neither code nor reason is present, the WebSocket Close message must not have a body. 28元/次 学生认证会员7折 分享. HTTP 2 Client. Finlay explains how you can take advantage of new asynchronous API changes in Java 11 to perform a REST API call to handle HTTP and WebSocket operations.