static boolean argCountValid( final CommandSender sender, final String[] args, final Integer[] validCounts) { for (final int i : validCounts) { if (i == args.length) { return true; } } Arena.pmsg( sender, Language.parse( MSG.ERROR_INVALID_ARGUMENT_COUNT, String.valueOf(args.length), StringParser.joinArray(validCounts, "|"))); return false; }