There is no need to create and use a parser and no need to write a content handler with callback methods.What this means is that developers can access and process XML data without having to know XML or XML processing.A new Java API called Java Architecture for XML Binding (JAXB) can make it easier to access XML documents from applications written in the Java programming language.The Extensible Markup Language (XML) and Java technology are natural partners in helping developers exchange data and programs across the Internet.
A Reference Implementation of the API is now available in the Java Web Services Developer Pack V 1.1.
Binding an XML Schema JAXB simplifies access to an XML document from a Java program by presenting the XML document to the program in a Java format.
The first step in this process is to bind the schema for the XML document into a set of Java classes that represents the schema.
The W3C XML Schema Language is not the only schema language.
In fact, the XML specification describes document-type definitions (DTDs) as the way to express a schema.It is extending When a fatal error occurs, the parser cannot continue.