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Few basic questions  RSS feed

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If i am writing a stateless session bean (e.g. HelloBean) to be deployed in J2EE1.3 RI server:

1. What are the classes generated by the container? What are their purpose?
2. What are the objects provided by the server (like EJBObject) ?
3. Where lies the stub, skeleton, business interface, home interface, EJBObject and the entity bean in the entire flow ?
4. If we have multiple stateless session beans(e.g. WeatherBean, JokeBean), do they all share the same instance of EJBObject or not ?
5. Does there exist multiple copies of EJBObject for multpile cuncurrent client requests for an enterprise bean ?
It is sorta covered in the JavaRanch Style Guide.
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