alphaWorks : XML Enhancements for Java : Overview: "What are XML Enhancements for JavaTM?
XML Enhancements for Java (XJ) are a set of extensions to Java 1.4 that integrate support for XML, XML Schema and XPath 1.0 into the language. The advantages of XJ over existing mechanisms for XML development are:
* Familiarity (for the XML Programmer) : XML processing in XJ is consistent with open XML standards.
* Robustness : XJ programs are strongly typed with respect to XML Schemas. The XJ compiler can detect errors in uses of XPath expressions and construction of XML data.
* Easier Maintenance: Since XJ programs are written in terms of XML and not low-level APIs such as DOM or SAX, they are easier to maintain and modify if XML Schemas change.
* Performance: Since the compiler is aware of the use of XML in a program, it can optimize the runtime representation, parsing, and XPath evaluation of XML."
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