Schema

We recommend you to use DTD. For more information on DTDs and other kinds of schemas:

DTD, XML Schema, and DSD in the XML tutorial.
XML Schema Tutorial

How to validate a schema

The Xerces parser can be used to perform DTD or XML Schema validation. Download the jar-files below and write on the command line one of the following (first line for dtd, second line for XML Schema):

java -classpath xercesImpl.jar:xercesSamples.jar:xmlParserAPIs.jar dom.Writer -v file.xml

java -classpath xercesImpl.jar:xercesSamples.jar:xmlParserAPIs.jar dom.Writer -s file.xml

Note: There may be a problem to use some versions of the java runtime machine (we had some with "kaffe"). Make sure to use SUNs java runtime machine. Then it should work.

Schema

How to validate a schema

Online validator for XML Schema