令和 Accessing REIWA era in java.time.chrono.JapaneseEra (JDK-8174268) "A static field representing a singleton instance of the REIWA era in java.time.chrono.JapaneseEra is added as a private field in this update."
"The upcoming Japanese new era that starts from May 1st, 2019 has been implemented with JDK-8202088. This issue is to declare a public constant in java.time.chrono.JapaneseEra for the new era."
"Currently with the implementation of JDK-8202088, the Japanese era starting from May 1st, 2019 has the placeholder name "NewEra." This issue is to replace it with the correct era name when it is announced by the Japanese Government."