How to validate a xml document against a schema?

[Miao, Yong]

Hi,   Could someone direct me to a Java sample of validating xml document against a schema? The schema may be come with xml document or specified externally.   Thanks, ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Yong Miao Sr. Staff Engineer Aspen Technology, Inc. 19204 North Creek Parkway, Suite 104,  Bothell, WA 98011-8001 Phone: 425-492-2204 Fax: 425-492-2392 Email:[EMAIL PROTECTED] http://www.aspentech.com/ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~