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LocalDateTime とフォーマッターの初歩!

Posted at

Java研修を3日行なった中で筆者が一番苦労したのが、
LocalDateTimeとDateTimeFormatterでした!

なのでまとめてみました

時間の設定

LocalDateTime ldt=LocalDateTime.of(2022,10,7,19,33);
// 年・月・日・時・分の並び

フォーマットの作り方

DateTimeFormatter dtf=
        DateTimeFormatter.ofpattern("uuuu年MM月(E)HH:mm",Locale JAPAN);
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