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The JAX-WS APIs include a set of annotations which allow you to build services using annotated classes. These services are based on a single class which contains a set of operations.

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• @WebMethod - allows you to customize the operation name, exclude the operation from inclusion in the service, etc
• @WebParam - allows you to customize a parameter's name, namespace, direction (IN or OUT), etc
• @WebResult - allows you to customize a parameter's name, namespace, direction (IN or OUT), etcthe return value of the web service call

Data is marshalled from XML to Java and vice versa via the JAXB data-binding.

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