The Dynamic Invocation Interface (DII) client does not require a WSDL file to generate static stubs or pass the WSDL file to the service factory to create the service; instead, the client must know a service’s address, operations, and parameters in advance. A DII client discovers service information dynamically at runtime by a given set of service operations and parameters as you will see in the example.
The significant JAX-RPC client APIs used are:
javax.xml.rpc.Call
javax.xml.rpc.Service
javax.xml.rpc.ServiceFactory
