Web service in Java is any coding piece that can make itself available over the web and makes use of a standardized XML messaging system. This XML is used for encoding all communications to any web service. For instance, a client can invoke a web service by sending XML messages. He then awaits a response from XML. Since all communication is in XML, web services can never be constrained to any single programming language or operating system. Windows applications can communicate with Unix applications, Perl can communicate with Java, so on and so forth.
Java web services are self contained, dynamic, distributed and modular applications. These can be published, described, located or invoked over a network in order to process, create products and supply chains. Such applications can be built on open standards like Java. These systems can include all kinds of messages, programs, objects and documents. At IIHT, students learn how such applications can be built practically in well equipped labs.
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