Java web services

How do I create a web service in Java? How to create a web app in Java? What are WS standards? For example, java programming language can interact with PHP and. Net by using web services.

In other words, web service provides a way to achieve interoperability. The java web service application can be accessed by other programming languages such as. Java web service application perform communication through WSDL ( Web Services Description Language). Resources are core concepts of Restful web services and they are uniquely identified by their URIs. Java provides it’s own API to create both SOAP as well as REST web services.

JAX-WS is XML based Java API to build web services server and client application. Chapter Introduction to Web Services.

Part III of the tutorial discusses Java EE web services technologies. In this web service tutorial, we will see the introduction of webservices in java and some jargons of web services. Webservices in java are used everywhere nowadays.

When human interacts with any web page, it involves request and response via HTML. When you interact with the webpage , browser sends a request and then renders response and shows in form of HTML. Similarly, web services also involve request and response but in the form of XML or JSON or plain text. Course Ratings are calculated from individual students’ ratings and a variety of other signals, like age of rating and reliability, to ensure that they reflect course quality fairly and accurately. As you can see in the figure, Java ,. PHP applications can communicate with other applications through web service over the network.

So web service is a language independent way of communication. As described by the World Wide Web Consortium (W3C), web services provide a standard means of interoperating between software applications running on a variety of platforms and frameworks. SOAP is the short form of Simple Object Access Protocol.

It is a platform independent and XML based protocol. The web services developed using this protocol are called soap web services. WSDL is the short form of Web Service Description Language.

JAX-WS allows developers to write message-oriented as well as Remote Procedure Call-oriented (RPC-oriented) web services. In JAX-WS, a web service operation invocation is represented by an XML-based protocol, such as SOAP. RESTful web services are built to work best on the Web. Java API for XML Web Services (JAX-WS) is a technology for building web services and clients that communicate using XML. Representational State Transfer (REST) is an architectural style that specifies constraints, such as the uniform interface, that if applied to a web service induce desirable properties, such as performance, scalability, and modifiability, that enable services to work best on the Web.

Metro is a high-performance, extensible, easy-to-use web service stack. The Metro web service stack is a part of the GlassFish community, but it can be also used outside. Other applications can also use the web services.

Web services are used to make the application platform and technology.