https://developer.android.com/reference/kotlin/java/time/chrono/MinguoEra
MinguoEra | API reference | Android Developers
api referenceandroiddevelopers
https://docs.oracle.com/javase/jp/11/docs/api/java.base/java/time/chrono/MinguoEra.html
MinguoEra (Java SE 11 & JDK 11 )
java sejdk