public static boolean isCommandString(final String str) {
		if (str == null) {
			return false;
		}
		return str.startsWith(TieConstants.COMMAND_PREFIX);
	}
public static boolean isCommandString(final String str) {
		if (str == null) {
			return false;
		}
		return str.startsWith(TieConstants.COMMAND_PREFIX);
	}
public static boolean isCommandString ( final String str ) { if ( str == null ) { return false ; } return str . startsWith ( TieConstants . COMMAND_PREFIX ) ; }
check it's a command comment.

@param str
comment string.
@return ture if it's command.
check it s a command comment .