How to make Quick java Doc to works for j2ee APIs (CTRL+D)

Hi
Thank you for reading my post
i find that jdeveloper can show a quick java doc for java API , but i do not know why it does not show any document for j2ee stuff.
can some one tell me the solution ?
Thanks

Hi
Thank you for reply ,
where i can find source codes for java ee stuff ?
I want all of APIs to have quick java doc as it is very usefull.
thanks

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