question: @ Override public JapaneseDate dateYearDay ( int prolepticYear , int dayOfYear ) { return new JapaneseDate ( LocalDate . ofYearDay ( prolepticYear , dayOfYear ) ) ; }
target:  Obtains a local date in Japanese calendar system from the proleptic-year and day-of-year fields. <p> The day-of-year in this factory is expressed relative to the start of the proleptic year. The Japanese proleptic year and day-of-year are the same as those in the ISO calendar system. They are not reset when the era changes.