Hi all,

2009/9/18 ChurlSoo Joo <xxxxxx@gmail.com>
Note: The read-only fields are not literally read-only.  Their values, for instance, can be modified by other fields whose values work like their mutators.

Might I suggest:

Note: The read-only fields are not immutable.  Their values, for instance, can be modified by other fields whose values work like their mutators.

Regards,
  Tony