Typically, the URL is the namespace Uniform Resource Identifier (URI) for the schema language. However, you can install additional libraries that add support for these and other schema languages.The Java programming language isn't limited to a single schema factory.The element declarations in an XML Schema can specify the namespace/s of the elements in the XML document.In most Business Applications we frequently find that the input to a System would be in the form of Xml Data Files.
(This description is painted with broad strokes -- there are exceptions.)Until recently, the exact Application Programming Interface (API) by which programs requested validation varied with the schema language and parser.
The Schema File is the structural representation of how a given Xml Data File should resemble.
Validation using XSL Technology : XSLT [Extended Stylesheet Language Transformation] is basically used for transforming the input xml File from one form to another, which could be .html, etc.
Net provides a number of classes, shipped in as base class libraries of the . The Xml schema file usually is a XML-Data Reduced (XDR) or XML Schema definition language (XSD).
The input Xml File could be even validated against a set of Schema Files.