I meant 464 is for like bnc's, 491 is your invalid oper credentials, I see no reason why JAVA would be any different, unless its messing up its self
like /server blah.bnc.net 1337 myuser:pass
Yes That is commenting :) Its usually good practice to get good knowing where, and how to comment, as you may need to put comments inside of a event like:
Same here, I can see that getting a bit troublesome, especially with troublemakers
Though as good fyi, don't always rely on operstatus to help you out with your own code, use common sense with it and I could probably help you with the "certain people" etc.