How can I create a Web Service with several classes

Hello,
I developed an API which I want to use to create a webService that offer an acces to all the classes and use all their methods.I tried this with Netbeans but I view that I will have a WSDL file for each class.
But I have tested the yahoo api web service of the image search and it offer acces to several objects such us request and result.So I want to make a service that offer the use of several objects. Can I do this.If yes how ? Because I have read tutorials about WebServices and they mention that to create a webservice I must have an EndPoint class so only one class.
Please I juste began with webservices so I don't know how to do.
Thanks in advance.

I don't believe this is possible when starting from Java. I think you need to start with a WSDL to get this to work. I am curious as to why having multiple WSDLs is an issue, would you care to eloborate.
Thanks

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