This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
With JAX-WS, there is the option of code-first development of web services. The container will, when the service is deployed, generate the WSDL for you.
If you want to generate a WSDL yourself, starting from an annotated endpoint implementation class, then wsgen (http://java.sun.com/webservices/docs/2.0/jaxws/wsgen.html) will help you.