Of course, Web Services in 12c are also Java EE6 compliant. For instance, it includes support for EJB 3.1. Specifically, WebLogic Web Services can be packaged as follows:

Also, some new samples for RESTful Web Service (JAX-RS) are added.

EclipseLink MOXy (JAXB) is used for data binding and JAXB provider. The EclipseLink MOXy component binds Java classes to XML schemas. MOXy implements JAXB to provide mapping information through annotations as well as providing support for storing the mappings in XML format.

The UDDI v2.0 registry and UDDIExplorer applications have been removed. Recommended is to consider using Oracle Enterprise Repository or Oracle Service Registry, which provide SOA visibility and governance.