It's a style guide (and a static style checker), not a list of caveats. Mutable values are not a caveat. It's like referring to http://checkstyle.sourceforge.ne

It's a style guide (and a static style checker), not a list of caveats. Mutable values are not a caveat. It's like referring to http://checkstyle.sourceforge.net/checks.html http://checkstyle.sourceforge.net/checks.html as a list of frightening caveats.