JAXRS 2.1

Java EE has always been good at supporting various over the network communication options, right from binary RPC, XML-based RPC or now XML and JSON-based communication via JAXRS over HTTP/1 and HTTP/2 protocols. In recent times, REST-based web services have become the de facto choice for developing web APIs. There are broadly two standards that can be followed when developing web services, one being SOAP and the other REST. Initially, the SOAP-style APIs dominated the enterprise space and it seemed there was no room for any other, but the REST style had its own appeal. As mobile applications grew, so did the demand for server-side APIs. Clients required more flexibility and weren't exactly a fan of the verbosity of SOAP XMLs.

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