Packages 
Package Description
javax.jcr
Provides interfaces and classes for the Content Repository for Java Technology.
javax.jcr.lock
Provides interfaces and classes for content repository locking functionality.
javax.jcr.nodetype
This package provides interfaces and classes for content repository node type functionality.
javax.jcr.observation
Provides interfaces and classes for content repository event observation functionality.
javax.jcr.query
Provides interfaces and classes for content repository searching functionality.
javax.jcr.query.qom
Provides interfaces and classes for content repository Query Object Model.
javax.jcr.retention
Provides interfaces and classes for content repository retention management functionality.
javax.jcr.security
Provides interfaces and classes for content repository access control management functionality.
javax.jcr.util
Provides utility classes for the content repository API.
javax.jcr.version
Provides interfaces and classes for content repository versioning functionality.