Java 8 - MinguoDateの例

Java 8 – MinguoDateの例

このMinguoDateカレンダーシステムは、主に台湾(中華民国…)で使用されています。

(ISO) 1912-01-01 = 1-01-01 (Minguo ROC)

現在の日付をMinguoの日付に変換するには、たとえば、1911の数字で現在の年を減算します。

2016 (ISO) - 1911 = 105 (Minguo ROC)

1. LocalDate→MinguoDate

LocalDateMinguoDateに変換する完全な例を確認してください

TestMinguoDate.java

package com.example.date;

import java.time.LocalDate;
import java.time.chrono.MinguoDate;

public class TestMinguoDate {

    public static void main(String[] args) {

        // LocalDate -> MinguoDate
        System.out.println("Example 1...");

        LocalDate localDate = LocalDate.of(1912, 1, 1);
        MinguoDate minguo = MinguoDate.from(localDate);
        System.out.println("LocalDate : " + localDate); //1912-01-01
        System.out.println("MinguoDate : " + minguo);   //1-01-01

        // MinguoDate -> LocalDate
        System.out.println("\nExample 2...");

        MinguoDate minguo2 = MinguoDate.of(105, 8, 24);
        //LocalDate localDate = LocalDate.ofEpochDay(minguo2.toEpochDay());
        LocalDate localDate2 = LocalDate.from(minguo2);
        System.out.println("MinguoDate : " + minguo2);   //105-08-24
        System.out.println("LocalDate : " + localDate2); //2016-08-24

    }

}

出力

Example 1...
LocalDate : 1912-01-01
MinguoDate : Minguo ROC 1-01-01

Example 2...
MinguoDate : Minguo ROC 105-08-24
LocalDate : 2016-08-24