Hi rahulaga,

 

There is an open source tool called swagger-codegen that you can use to generate code libraries for the Zuora API. I would suggest that you try using this tool.

 

I've just written a post about how to generate a Python library, but you should be able to generate Java in a very similar way. Please see here:

 

How to Generate a Code Library From the Zuora OpenAPI Spec

 

Hope this helps,

David