DateTimeFormatter.ofPattern("MMMMM") returns English month name in Japanese locale. "M" represents month-of-year, and "MMMMM" represents the narrow form. In Japanese locale, it should return "4" for April, but it returns "A". "A" is English abbreviated month name and not used in Japanese locale. "LLLLL" (stand-alone month-of-year) returns "4" expectedly.
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