You can read from the following address:
http://blog.9cbs.net/avius/archive/2004/07/29/55372.aspx
Major amendments include:
Fix all known errors (thank you Learner reminder). Added a background information about the "autoboxing / auto-unboxing" feature. Added some instructions on the "autoboxing / auto-unboxing" feature increase how much the rules that need to be remembered.
