public static FastDateFormat getInstance
        (String pattern, DateFormatSymbols symbols) 
        throws IllegalArgumentException
    {
        return getInstance(pattern, null, null, symbols);
    }
public static FastDateFormat getInstance ( String pattern , DateFormatSymbols symbols ) throws IllegalArgumentException { return getInstance ( pattern , null , null , symbols ) ; }
@param pattern {@link java.text.SimpleDateFormat} compatible pattern
@param symbols optional date format symbols, overrides symbols for
system locale