Gets the formatting pattern for date and time styles for a locale and chronology.
Gets the formatting pattern for date and time styles for a locale and chronology. The locale and chronology are used to lookup the locale specific format for the requested dateStyle and/or timeStyle.
the FormatStyle for the date
the FormatStyle for the time
the Chronology, non-null
the locale, non-null
the locale and Chronology specific formatting pattern
IllegalArgumentException
if both dateStyle and timeStyle are null