XML and JSon Processing
XML (eXtensible Markup Language) has been used in the Java EE platform since the beginning of deployment descriptors and metadata information. We deal with XML in persistence.xml, beans.xml or ejb-jar.xml files. That’s often how Java developers first entered the rich world of XML. But we quickly discovered that there was more to XML than just deploying a web application or an EJB.
XML is an industry standard defined by the World Wide Web Consortium (W3C). Although it is not tied to any programming language or software vendor, it has solved the problem of data independence and interoperability. Because XML is ...