JAXP 1.2, DOM 2.0, SAX 2.01, SAX2-ext 1.0

Packages 
Package Description
javax.xml.parsers
Provides classes allowing the processing of XML documents.
javax.xml.transform
This package defines the generic APIs for processing transformation instructions, and performing a transformation from source to result.
javax.xml.transform.dom
This package implements DOM-specific transformation APIs.
javax.xml.transform.sax
This package implements SAX2-specific transformation APIs.
javax.xml.transform.stream
This package implements stream- and URI- specific transformation APIs.
org.w3c.dom  
org.w3c.dom.css  
org.w3c.dom.events  
org.w3c.dom.html  
org.w3c.dom.ranges  
org.w3c.dom.stylesheets  
org.w3c.dom.traversal  
org.w3c.dom.views  
org.xml.sax
This package provides the core SAX APIs.
org.xml.sax.ext
This package contains interfaces to optional SAX2 handlers.
org.xml.sax.helpers
This package contains "helper" classes, including support for bootstrapping SAX-based applications.