src/jdk.localedata/share/classes/sun/text/resources/ext/JavaTimeSupplementary_lt.java

@@ -221,19 +221,21 @@
                     "po Kristaus",
                     "Meid\u017ei",
                     "Tai\u0161o",
                     "\u0160ova",
                     "Heisei",
+                    "Reiwa",
                 }
             },
             { "java.time.japanese.short.Eras",
                 new String[] {
                     "po Kr.",
                     "Meid\u017ei",
                     "Tai\u0161o",
                     "\u0160ova",
                     "Heisei",
+                    "Reiwa",
                 }
             },
             { "java.time.long.Eras",
                 new String[] {
                     "prie\u0161 Krist\u0173",