Java & XML resources (updated)

• Tutorialspoint
• XML Schema Definition (xsd)
• W3C Data Types
• Complex Types
• Netbeans
• Schema Editor plugin
• XPath plugin 
• start from Window>XPath
• Notepad++ XML tools plugin
• validation
• XSL
• XPath
• More XML tools 
• JAXP project
• JAXP 1.3 (Java 5) validator package javadoc