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Interview question on SAX and DOM and XSchema.

Avinash Mulye

Joined: May 30, 2002
Posts: 22
Recently I attended an interview in which he asked me a question -
In SAX there is a support for DTDs but if you do NOT have DTD and you have been given an XSchema instead ...... then how do you process an XML application ?
I do not know the answer and I could not wild-guess. But I thought I could share it with you guys.
Do you know the answer ?
Valentin Crettaz
Gold Digger

Joined: Aug 26, 2001
Posts: 7610
Sun's Java Web Services Developer Pack is said to support XML schemas by introducing an early version of JAXP 1.2 which includes schema support.
From the Java Web Services Tutorial:

Another popular schema language is XML Schema, which is being developed by
the World Wide Web (W3C) consortium. XML Schema is a significantly more
powerful language than DTD, and with its passage into a W3C Recommendation
in May of 2001, its use and implementations have increased. The community of
developers using the Java platform has recognized this, and the expert group for
the Java� API for XML Processing (�JAXP�) has been working on adding sup-port
for XML Schema to the JAXP 1.2 specification. [b]This release of the Java�
Web Services Developer Pack includes support for XML Schema.[/url]

In the same document, there are some explanations on how you would go about validating XML documents with XML schemas in section Validating with XML Schema
[ July 31, 2002: Message edited by: Valentin Crettaz ]

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