question: final void sendHelp ( ) { ArrayList < String > help = help ( ) ; if ( help . isEmpty ( ) ) { return ; } XmppMsg msg = new XmppMsg ( ) ; msg . addStringArray ( help . toArray ( new String [ help . size ( ) ] ) ) ; send ( msg ) ; }
target:  Sends the help messages from the current command to the user, does nothing if there are no help messages available