8205432: Replace the placeholder Japanese era name

Reviewed-by: rriggs, chegar
diff --git a/make/data/unicodedata/UnicodeData.txt b/make/data/unicodedata/UnicodeData.txt
index e981476..dd137e2 100644
--- a/make/data/unicodedata/UnicodeData.txt
+++ b/make/data/unicodedata/UnicodeData.txt
@@ -11729,7 +11729,7 @@
 32FC;CIRCLED KATAKANA WI;So;0;L;<circle> 30F0;;;;N;;;;;
 32FD;CIRCLED KATAKANA WE;So;0;L;<circle> 30F1;;;;N;;;;;
 32FE;CIRCLED KATAKANA WO;So;0;L;<circle> 30F2;;;;N;;;;;
-32FF;SQUARE ERA NAME NEWERA;So;0;L;<square> 5143 53F7;;;;N;SQUARED TWO IDEOGRAPHS ERA NAME NEWERA;;;;
+32FF;SQUARE ERA NAME REIWA;So;0;L;<square> 4EE4 548C;;;;N;SQUARED TWO IDEOGRAPHS ERA NAME REIWA;;;;
 3300;SQUARE APAATO;So;0;L;<square> 30A2 30D1 30FC 30C8;;;;N;SQUARED APAATO;;;;
 3301;SQUARE ARUHUA;So;0;L;<square> 30A2 30EB 30D5 30A1;;;;N;SQUARED ARUHUA;;;;
 3302;SQUARE ANPEA;So;0;L;<square> 30A2 30F3 30DA 30A2;;;;N;SQUARED ANPEA;;;;
diff --git a/src/java.base/share/classes/java/time/chrono/JapaneseEra.java b/src/java.base/share/classes/java/time/chrono/JapaneseEra.java
index 986242c..097201b 100644
--- a/src/java.base/share/classes/java/time/chrono/JapaneseEra.java
+++ b/src/java.base/share/classes/java/time/chrono/JapaneseEra.java
@@ -151,14 +151,14 @@
      */
     public static final JapaneseEra HEISEI = new JapaneseEra(2, LocalDate.of(1989, 1, 8));
     /**
-     * The singleton instance for the 'NewEra' era (2019-05-01 - current)
+     * The singleton instance for the 'Reiwa' era (2019-05-01 - )
      * which has the value 3.
      */
-    private static final JapaneseEra NEWERA = new JapaneseEra(3, LocalDate.of(2019, 5, 1));
+    private static final JapaneseEra REIWA = new JapaneseEra(3, LocalDate.of(2019, 5, 1));
 
     // The number of predefined JapaneseEra constants.
     // There may be a supplemental era defined by the property.
-    private static final int N_ERA_CONSTANTS = NEWERA.getValue() + ERA_OFFSET;
+    private static final int N_ERA_CONSTANTS = REIWA.getValue() + ERA_OFFSET;
 
     /**
      * Serialization version.
@@ -176,7 +176,7 @@
         KNOWN_ERAS[1] = TAISHO;
         KNOWN_ERAS[2] = SHOWA;
         KNOWN_ERAS[3] = HEISEI;
-        KNOWN_ERAS[4] = NEWERA;
+        KNOWN_ERAS[4] = REIWA;
         for (int i = N_ERA_CONSTANTS; i < ERA_CONFIG.length; i++) {
             CalendarDate date = ERA_CONFIG[i].getSinceDate();
             LocalDate isoDate = LocalDate.of(date.getYear(), date.getMonth(), date.getDayOfMonth());
diff --git a/src/java.base/share/classes/java/util/JapaneseImperialCalendar.java b/src/java.base/share/classes/java/util/JapaneseImperialCalendar.java
index 623d74e..4a5d714 100644
--- a/src/java.base/share/classes/java/util/JapaneseImperialCalendar.java
+++ b/src/java.base/share/classes/java/util/JapaneseImperialCalendar.java
@@ -50,7 +50,7 @@
  *     2       Taisho      1912-07-30T00:00:00 local time
  *     3       Showa       1926-12-25T00:00:00 local time
  *     4       Heisei      1989-01-08T00:00:00 local time
- *     5       NewEra      2019-05-01T00:00:00 local time
+ *     5       Reiwa       2019-05-01T00:00:00 local time
  * ------------------------------------------------------
  * }</pre>
  *
@@ -129,9 +129,9 @@
     public static final int HEISEI = 4;
 
     /**
-     * The ERA constant designating the NewEra era.
+     * The ERA constant designating the Reiwa era.
      */
-    private static final int NEWERA = 5;
+    private static final int REIWA = 5;
 
     private static final int EPOCH_OFFSET   = 719163; // Fixed date of January 1, 1970 (Gregorian)
 
@@ -1761,12 +1761,12 @@
                     }
                 } else if (transitionYear) {
                     if (jdate.getYear() == 1) {
-                        // As of NewEra (since Meiji) there's no case
+                        // As of Reiwa (since Meiji) there's no case
                         // that there are multiple transitions in a
                         // year.  Historically there was such
                         // case. There might be such case again in the
                         // future.
-                        if (era > NEWERA) {
+                        if (era > REIWA) {
                             CalendarDate pd = eras[era - 1].getSinceDate();
                             if (normalizedYear == pd.getYear()) {
                                 d.setMonth(pd.getMonth()).setDayOfMonth(pd.getDayOfMonth());
diff --git a/src/java.base/share/classes/sun/text/resources/FormatData.java b/src/java.base/share/classes/sun/text/resources/FormatData.java
index 27228bf..81fb036 100644
--- a/src/java.base/share/classes/sun/text/resources/FormatData.java
+++ b/src/java.base/share/classes/sun/text/resources/FormatData.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1996, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1996, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -106,7 +106,7 @@
             "T",
             "S",
             "H",
-            "N", // NewEra
+            "R",
         };
 
         // Japanese imperial calendar era strings
@@ -116,7 +116,7 @@
             "Taisho",
             "Showa",
             "Heisei",
-            "NewEra", // NewEra
+            "Reiwa",
         };
 
         return new Object[][] {
diff --git a/src/java.base/share/classes/sun/text/resources/JavaTimeSupplementary.java b/src/java.base/share/classes/sun/text/resources/JavaTimeSupplementary.java
index 0f59634..7b04159 100644
--- a/src/java.base/share/classes/sun/text/resources/JavaTimeSupplementary.java
+++ b/src/java.base/share/classes/sun/text/resources/JavaTimeSupplementary.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -159,7 +159,7 @@
             "Taisho",
             "Showa",
             "Heisei",
-            "NewEra", // New Era
+            "Reiwa",
         };
 
         final String[] sharedShortEras = {
diff --git a/src/java.base/share/classes/sun/util/calendar/Era.java b/src/java.base/share/classes/sun/util/calendar/Era.java
index c622e52..3687952 100644
--- a/src/java.base/share/classes/sun/util/calendar/Era.java
+++ b/src/java.base/share/classes/sun/util/calendar/Era.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -48,7 +48,7 @@
  *                           Taisho           1912-07-30T00:00:00 local time
  *                           Showa            1926-12-25T00:00:00 local time
  *                           Heisei           1989-01-08T00:00:00 local time
- *                           NewEra           2019-05-01T00:00:00 local time
+ *                           Reiwa            2019-05-01T00:00:00 local time
  *   -----------------------------------------------------------------------
  * }</pre>
  *
diff --git a/src/java.base/share/classes/sun/util/calendar/LocalGregorianCalendar.java b/src/java.base/share/classes/sun/util/calendar/LocalGregorianCalendar.java
index cbc5ee1..c26b700 100644
--- a/src/java.base/share/classes/sun/util/calendar/LocalGregorianCalendar.java
+++ b/src/java.base/share/classes/sun/util/calendar/LocalGregorianCalendar.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -43,7 +43,7 @@
         new Era("Taisho", "T", -1812153600000L, true),
         new Era("Showa",  "S", -1357603200000L, true),
         new Era("Heisei", "H",   600220800000L, true),
-        new Era("NewEra", "N",  1556668800000L, true),
+        new Era("Reiwa",  "R",  1556668800000L, true),
     };
 
     private static boolean isValidEra(Era newEra, Era[] eras) {
diff --git a/src/java.base/share/classes/sun/util/locale/provider/CalendarNameProviderImpl.java b/src/java.base/share/classes/sun/util/locale/provider/CalendarNameProviderImpl.java
index c04babb..7df1533 100644
--- a/src/java.base/share/classes/sun/util/locale/provider/CalendarNameProviderImpl.java
+++ b/src/java.base/share/classes/sun/util/locale/provider/CalendarNameProviderImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -84,10 +84,10 @@
                         Era[] jeras = CalendarSystem.forName("japanese").getEras();
                         if (value <= jeras.length) {
                             // Localized era name could not be retrieved from this provider.
-                            // This can occur either for NewEra or SupEra.
+                            // This can occur either for Reiwa or SupEra.
                             //
                             // If it's CLDR provider, try COMPAT first, which is guaranteed to have
-                            // the name for NewEra.
+                            // the name for Reiwa.
                             if (type == LocaleProviderAdapter.Type.CLDR) {
                                 lr = LocaleProviderAdapter.forJRE().getLocaleResources(locale);
                                 key = getResourceKeyFor(LocaleProviderAdapter.Type.JRE,
diff --git a/src/jdk.localedata/share/classes/sun/text/resources/ext/FormatData_ja.java b/src/jdk.localedata/share/classes/sun/text/resources/ext/FormatData_ja.java
index 1d25c34..93d3518 100644
--- a/src/jdk.localedata/share/classes/sun/text/resources/ext/FormatData_ja.java
+++ b/src/jdk.localedata/share/classes/sun/text/resources/ext/FormatData_ja.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1996, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1996, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -91,7 +91,7 @@
             "\u5927\u6b63", // Taisho
             "\u662d\u548c", // Showa
             "\u5e73\u6210", // Heisei
-            "\u5143\u53f7", // NewEra
+            "\u4ee4\u548c", // Reiwa
         };
         final String[] rocEras = {
             "\u6c11\u56fd\u524d",
diff --git a/src/jdk.localedata/share/classes/sun/text/resources/ext/JavaTimeSupplementary_ja.java b/src/jdk.localedata/share/classes/sun/text/resources/ext/JavaTimeSupplementary_ja.java
index 97ce4d2..922885a 100644
--- a/src/jdk.localedata/share/classes/sun/text/resources/ext/JavaTimeSupplementary_ja.java
+++ b/src/jdk.localedata/share/classes/sun/text/resources/ext/JavaTimeSupplementary_ja.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -154,7 +154,7 @@
             "\u5927\u6b63",
             "\u662d\u548c",
             "\u5e73\u6210",
-            "\u5143\u53f7", // NewEra
+            "\u4ee4\u548c",
         };
 
         final String[] sharedJavaTimeShortEras = {
diff --git a/src/jdk.localedata/share/classes/sun/util/cldr/resources/common/main/ja.xml b/src/jdk.localedata/share/classes/sun/util/cldr/resources/common/main/ja.xml
index b097968..f9fc872 100644
--- a/src/jdk.localedata/share/classes/sun/util/cldr/resources/common/main/ja.xml
+++ b/src/jdk.localedata/share/classes/sun/util/cldr/resources/common/main/ja.xml
@@ -3633,7 +3633,7 @@
 						<era type="233">大正</era>
 						<era type="234">昭和</era>
 						<era type="235">平成</era>
-						<era type="236">元号</era> <!-- NewEra -->
+						<era type="236">令和</era>
 					</eraAbbr>
 					<eraNarrow>
 						<era type="0">大化</era>
@@ -3872,7 +3872,7 @@
 						<era type="233">T</era>
 						<era type="234">S</era>
 						<era type="235">H</era>
-						<era type="236">N</era> <!-- NewEra -->
+						<era type="236">R</era>
 					</eraNarrow>
 				</eras>
 				<dateFormats>
diff --git a/src/jdk.localedata/share/classes/sun/util/cldr/resources/common/main/root.xml b/src/jdk.localedata/share/classes/sun/util/cldr/resources/common/main/root.xml
index dcc712a..b9b41b6 100644
--- a/src/jdk.localedata/share/classes/sun/util/cldr/resources/common/main/root.xml
+++ b/src/jdk.localedata/share/classes/sun/util/cldr/resources/common/main/root.xml
@@ -2030,7 +2030,7 @@
 						<era type="233">Taishō</era>
 						<era type="234">Shōwa</era>
 						<era type="235">Heisei</era>
-						<era type="236">NewEra</era> <!-- NewEra -->
+						<era type="236">Reiwa</era>
 					</eraAbbr>
 					<eraNarrow>
 						<era type="0">Taika (645–650)</era>
@@ -2269,7 +2269,7 @@
 						<era type="233">T</era>
 						<era type="234">S</era>
 						<era type="235">H</era>
-						<era type="236">N</era> <!-- NewEra -->
+						<era type="236">R</era>
 					</eraNarrow>
 				</eras>
 				<dateFormats>
diff --git a/test/jdk/java/lang/Character/UnicodeData.txt b/test/jdk/java/lang/Character/UnicodeData.txt
index e981476..dd137e2 100644
--- a/test/jdk/java/lang/Character/UnicodeData.txt
+++ b/test/jdk/java/lang/Character/UnicodeData.txt
@@ -11729,7 +11729,7 @@
 32FC;CIRCLED KATAKANA WI;So;0;L;<circle> 30F0;;;;N;;;;;
 32FD;CIRCLED KATAKANA WE;So;0;L;<circle> 30F1;;;;N;;;;;
 32FE;CIRCLED KATAKANA WO;So;0;L;<circle> 30F2;;;;N;;;;;
-32FF;SQUARE ERA NAME NEWERA;So;0;L;<square> 5143 53F7;;;;N;SQUARED TWO IDEOGRAPHS ERA NAME NEWERA;;;;
+32FF;SQUARE ERA NAME REIWA;So;0;L;<square> 4EE4 548C;;;;N;SQUARED TWO IDEOGRAPHS ERA NAME REIWA;;;;
 3300;SQUARE APAATO;So;0;L;<square> 30A2 30D1 30FC 30C8;;;;N;SQUARED APAATO;;;;
 3301;SQUARE ARUHUA;So;0;L;<square> 30A2 30EB 30D5 30A1;;;;N;SQUARED ARUHUA;;;;
 3302;SQUARE ANPEA;So;0;L;<square> 30A2 30F3 30DA 30A2;;;;N;SQUARED ANPEA;;;;
diff --git a/test/jdk/java/text/Format/DateFormat/WeekDateTest.java b/test/jdk/java/text/Format/DateFormat/WeekDateTest.java
index afa2bf8..5b947e0 100644
--- a/test/jdk/java/text/Format/DateFormat/WeekDateTest.java
+++ b/test/jdk/java/text/Format/DateFormat/WeekDateTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2010, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2010, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -137,9 +137,9 @@
         Calendar jcal = Calendar.getInstance(TimeZone.getTimeZone("GMT"),
                                              new Locale("ja", "JP", "JP"));
 
-        String format = "2-W01-2"; // 2019-12-31 == N1-12-31
+        String format = "2-W01-2"; // 2019-12-31 == R1-12-31
         int expectedYear = 2019;
-        // Check the current era, Heisei or NewEra
+        // Check the current era, Heisei or Reiwa
         if (System.currentTimeMillis() < 1556668800000L) {
             format = "21-W01-3"; // 2008-12-31 == H20-12-31
             expectedYear = 2008;
diff --git a/test/jdk/java/time/tck/java/time/chrono/TCKJapaneseChronology.java b/test/jdk/java/time/tck/java/time/chrono/TCKJapaneseChronology.java
index fbec592..4141de3 100644
--- a/test/jdk/java/time/tck/java/time/chrono/TCKJapaneseChronology.java
+++ b/test/jdk/java/time/tck/java/time/chrono/TCKJapaneseChronology.java
@@ -1,5 +1,5 @@
 /*
- o Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
+ o Copyright (c) 2012, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -111,7 +111,9 @@
  */
 @Test
 public class TCKJapaneseChronology {
-    private static final int YDIFF_NEWERA = 2018;
+
+    // Year differences from Gregorian years.
+    private static final int YDIFF_REIWA = 2018;
     private static final int YDIFF_HEISEI = 1988;
     private static final int YDIFF_MEIJI = 1867;
     private static final int YDIFF_SHOWA = 1925;
@@ -174,7 +176,7 @@
     @DataProvider(name="createByEra")
     Object[][] data_createByEra() {
         return new Object[][] {
-                {JapaneseEra.of(3), 2020 - YDIFF_NEWERA, 2, 29, 60, LocalDate.of(2020, 2, 29)}, // NEWERA
+                {JapaneseEra.of(3), 2020 - YDIFF_REIWA, 2, 29, 60, LocalDate.of(2020, 2, 29)},
                 {JapaneseEra.HEISEI, 1996 - YDIFF_HEISEI, 2, 29, 60, LocalDate.of(1996, 2, 29)},
                 {JapaneseEra.HEISEI, 2000 - YDIFF_HEISEI, 2, 29, 60, LocalDate.of(2000, 2, 29)},
                 {JapaneseEra.MEIJI, 1874 - YDIFF_MEIJI, 2, 28, 59, LocalDate.of(1874, 2, 28)},
@@ -367,8 +369,8 @@
     @DataProvider(name="prolepticYear")
     Object[][] data_prolepticYear() {
         return new Object[][] {
-                {3, JapaneseEra.of(3), 1, 1 + YDIFF_NEWERA, false}, // NEWERA
-                {3, JapaneseEra.of(3), 102, 102 + YDIFF_NEWERA, true}, // NEWERA
+                {3, JapaneseEra.of(3), 1, 1 + YDIFF_REIWA, false},
+                {3, JapaneseEra.of(3), 102, 102 + YDIFF_REIWA, true},
 
                 {2, JapaneseEra.HEISEI, 1, 1 + YDIFF_HEISEI, false},
                 {2, JapaneseEra.HEISEI, 4, 4 + YDIFF_HEISEI, true},
@@ -553,7 +555,7 @@
             { JapaneseEra.TAISHO, 0, "Taisho"},
             { JapaneseEra.SHOWA, 1, "Showa"},
             { JapaneseEra.HEISEI, 2, "Heisei"},
-            { JapaneseEra.of(3), 3, "NewEra"}, // NEWERA
+            { JapaneseEra.of(3), 3, "Reiwa"},
         };
     }
 
@@ -689,7 +691,7 @@
             {JapaneseChronology.INSTANCE.date(1989,  1,  7), "Japanese Showa 64-01-07"},
             {JapaneseChronology.INSTANCE.date(1989,  1,  8), "Japanese Heisei 1-01-08"},
             {JapaneseChronology.INSTANCE.date(2012, 12,  6), "Japanese Heisei 24-12-06"},
-            {JapaneseChronology.INSTANCE.date(2020,  1,  6), "Japanese NewEra 2-01-06"},
+            {JapaneseChronology.INSTANCE.date(2020,  1,  6), "Japanese Reiwa 2-01-06"},
         };
     }
 
diff --git a/test/jdk/java/time/tck/java/time/chrono/TCKJapaneseEra.java b/test/jdk/java/time/tck/java/time/chrono/TCKJapaneseEra.java
index f107701..57cb9eb 100644
--- a/test/jdk/java/time/tck/java/time/chrono/TCKJapaneseEra.java
+++ b/test/jdk/java/time/tck/java/time/chrono/TCKJapaneseEra.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -79,7 +79,7 @@
     @DataProvider(name = "JapaneseEras")
     Object[][] data_of_eras() {
         return new Object[][] {
-                    {JapaneseEra.of(3), "NewEra", 3}, // NEWERA
+                    {JapaneseEra.of(3), "Reiwa", 3},
                     {JapaneseEra.HEISEI, "Heisei", 2},
                     {JapaneseEra.SHOWA, "Showa", 1},
                     {JapaneseEra.TAISHO, "Taisho", 0},
diff --git a/test/jdk/java/time/test/java/time/chrono/TestJapaneseChronology.java b/test/jdk/java/time/test/java/time/chrono/TestJapaneseChronology.java
index 08883cf..89face0 100644
--- a/test/jdk/java/time/test/java/time/chrono/TestJapaneseChronology.java
+++ b/test/jdk/java/time/test/java/time/chrono/TestJapaneseChronology.java
@@ -34,6 +34,7 @@
 import org.testng.annotations.DataProvider;
 import org.testng.annotations.Test;
 import static org.testng.Assert.assertEquals;
+import static org.testng.Assert.assertTrue;
 
 /**
  * Tests for the Japanese chronology
@@ -59,7 +60,7 @@
             { JapaneseEra.SHOWA,     64,  1,  7, 1989 },
             { JapaneseEra.HEISEI,     1,  1,  8, 1989 },
             { JapaneseEra.HEISEI,    31,  4, 30, 2019 },
-            { JapaneseEra.of(3),      1,  5,  1, 2019 }, // NEWERA
+            { JapaneseEra.of(3),      1,  5,  1, 2019 },
         };
     }
 
@@ -77,7 +78,7 @@
             { JapaneseEra.HEISEI,  1,    1,  1,  8 },
             { JapaneseEra.HEISEI,  2,    8,  1,  8 },
             { JapaneseEra.HEISEI, 31,  120,  4, 30 },
-            { JapaneseEra.of(3),   1,    1,  5,  1 }, // NEWERA
+            { JapaneseEra.of(3),   1,    1,  5,  1 },
         };
     }
 
@@ -110,8 +111,8 @@
             { JapaneseEra.HEISEI,     1,  1,  7 },
             { JapaneseEra.HEISEI,     1,  2, 29 },
             { JapaneseEra.HEISEI,    31,  5,  1 },
-            { JapaneseEra.of(3),      1,  4, 30 }, // NEWERA
-            { JapaneseEra.of(3), Year.MAX_VALUE,  12, 31 }, // NEWERA
+            { JapaneseEra.of(3),      1,  4, 30 },
+            { JapaneseEra.of(3), Year.MAX_VALUE,  12, 31 },
         };
     }
 
@@ -131,9 +132,9 @@
             { JapaneseEra.HEISEI,    -1 },
             { JapaneseEra.HEISEI,     0 },
             { JapaneseEra.HEISEI,    32 },
-            { JapaneseEra.of(3),     -1 }, // NEWERA
-            { JapaneseEra.of(3),      0 }, // NEWERA
-            { JapaneseEra.of(3), Year.MAX_VALUE }, // NEWERA
+            { JapaneseEra.of(3),     -1 },
+            { JapaneseEra.of(3),      0 },
+            { JapaneseEra.of(3), Year.MAX_VALUE },
         };
     }
 
@@ -151,8 +152,21 @@
             { JapaneseEra.HEISEI,  1, 360 },
             { JapaneseEra.HEISEI,  2, 366 },
             { JapaneseEra.HEISEI, 31, 121 },
-            { JapaneseEra.of(3),   1, 246 }, // NEWERA
-            { JapaneseEra.of(3),   2, 367 }, // NEWERA
+            { JapaneseEra.of(3),   1, 246 },
+            { JapaneseEra.of(3),   2, 367 },
+        };
+    }
+
+    @DataProvider
+    Object[][] eraNameData() {
+        return new Object[][] {
+            // Japanese era, name, exception
+            { "Meiji",  JapaneseEra.MEIJI,      null },
+            { "Taisho", JapaneseEra.TAISHO,     null },
+            { "Showa",  JapaneseEra.SHOWA,      null },
+            { "Heisei", JapaneseEra.HEISEI,     null },
+            { "Reiwa", JapaneseEra.of(3),       null },
+            { "NewEra", null,                   IllegalArgumentException.class},
         };
     }
 
@@ -204,4 +218,13 @@
         JapaneseDate date = JAPANESE.dateYearDay(era, yearOfEra, dayOfYear);
         System.out.printf("No DateTimeException with era=%s, year=%d, dayOfYear=%d%n", era, yearOfEra, dayOfYear);
     }
+
+    @Test(dataProvider="eraNameData")
+    public void test_eraName(String eraName, JapaneseEra era, Class expectedEx) {
+        try {
+            assertEquals(JapaneseEra.valueOf(eraName), era);
+        } catch (Exception ex) {
+            assertTrue(expectedEx.isInstance(ex));
+        }
+    }
 }
diff --git a/test/jdk/java/time/test/java/time/chrono/TestUmmAlQuraChronology.java b/test/jdk/java/time/test/java/time/chrono/TestUmmAlQuraChronology.java
index f10a0da..7bd8a6d 100644
--- a/test/jdk/java/time/test/java/time/chrono/TestUmmAlQuraChronology.java
+++ b/test/jdk/java/time/test/java/time/chrono/TestUmmAlQuraChronology.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -776,9 +776,9 @@
             {HijrahDate.of(1434,5,1), "Japanese Heisei 25-03-13"},
             {HijrahDate.of(1436,1,1), "Japanese Heisei 26-10-25"},
             {HijrahDate.of(1440,8,25), "Japanese Heisei 31-04-30"},
-            {HijrahDate.of(1440,8,26), "Japanese NewEra 1-05-01"},
-            {HijrahDate.of(1500,6,12), "Japanese NewEra 59-05-05"},
-            {HijrahDate.of(1550,3,11), "Japanese NewEra 107-08-11"},
+            {HijrahDate.of(1440,8,26), "Japanese Reiwa 1-05-01"},
+            {HijrahDate.of(1500,6,12), "Japanese Reiwa 59-05-05"},
+            {HijrahDate.of(1550,3,11), "Japanese Reiwa 107-08-11"},
         };
     }
 
diff --git a/test/jdk/java/time/test/java/time/format/TestNonIsoFormatter.java b/test/jdk/java/time/test/java/time/format/TestNonIsoFormatter.java
index 5539d41..cdeaa3e 100644
--- a/test/jdk/java/time/test/java/time/format/TestNonIsoFormatter.java
+++ b/test/jdk/java/time/test/java/time/format/TestNonIsoFormatter.java
@@ -143,7 +143,7 @@
             // Chronology, lenient era/year, strict era/year
             { JAPANESE, "Meiji 123", "Heisei 2" },
             { JAPANESE, "Showa 65", "Heisei 2" },
-            { JAPANESE, "Heisei 32", "NewEra 2" }, // NewEra
+            { JAPANESE, "Heisei 32", "Reiwa 2" },
         };
     }
 
diff --git a/test/jdk/java/util/Calendar/CalendarTestScripts/CalendarAdapter.java b/test/jdk/java/util/Calendar/CalendarTestScripts/CalendarAdapter.java
index 1f3f1d0..90d63e2 100644
--- a/test/jdk/java/util/Calendar/CalendarTestScripts/CalendarAdapter.java
+++ b/test/jdk/java/util/Calendar/CalendarTestScripts/CalendarAdapter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -364,7 +364,7 @@
                 "Taisho",
                 "Showa",
                 "Heisei",
-                "NewEra"
+                "Reiwa"
             };
             break;
         }
diff --git a/test/jdk/java/util/Calendar/CalendarTestScripts/Symbol.java b/test/jdk/java/util/Calendar/CalendarTestScripts/Symbol.java
index 7368a6d..a310f96 100644
--- a/test/jdk/java/util/Calendar/CalendarTestScripts/Symbol.java
+++ b/test/jdk/java/util/Calendar/CalendarTestScripts/Symbol.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -322,7 +322,7 @@
         put("taisho", new Symbol(Type.ERA, 2));
         put("showa", new Symbol(Type.ERA, 3));
         put("heisei", new Symbol(Type.ERA, 4));
-        put("newera", new Symbol(Type.ERA, 5));
+        put("reiwa", new Symbol(Type.ERA, 5));
 
     }
 }
diff --git a/test/jdk/java/util/Calendar/CalendarTestScripts/japanese/japanese.cts b/test/jdk/java/util/Calendar/CalendarTestScripts/japanese/japanese.cts
index bf4c8cb..71b6e94 100644
--- a/test/jdk/java/util/Calendar/CalendarTestScripts/japanese/japanese.cts
+++ b/test/jdk/java/util/Calendar/CalendarTestScripts/japanese/japanese.cts
@@ -57,7 +57,7 @@
 	check millisecond 0
 
 	clear all
-	set era NewEra
+	set era Reiwa
 	check era Heisei
 	check datetime 31 Jan 1 0 0 0
 	check millisecond 0
diff --git a/test/jdk/java/util/Calendar/CalendarTestScripts/japanese/japanese_add.cts b/test/jdk/java/util/Calendar/CalendarTestScripts/japanese/japanese_add.cts
index 63e5deb..b698b78 100644
--- a/test/jdk/java/util/Calendar/CalendarTestScripts/japanese/japanese_add.cts
+++ b/test/jdk/java/util/Calendar/CalendarTestScripts/japanese/japanese_add.cts
@@ -16,10 +16,10 @@
 test add ERA
     use jcal
 	clear all
-	set date NewEra 17 Mar 8
+	set date Reiwa 17 Mar 8
 	add era 10
-	# as of NewEra 17 March 8
-	check era NewEra
+	# as of Reiwa 17 March 8
+	check era Reiwa
 	add era -100
 	check era BeforeMeiji
 
@@ -342,12 +342,12 @@
 	check date BeforeMeiji $minyear May 18
 	check timeofday 1 47 4 191
 
-	set date NewEra 17 Jan 1
+	set date Reiwa 17 Jan 1
 	get max year
 	assign $result $max
-	set date NewEra $max Jul 17
+	set date Reiwa $max Jul 17
 	add month 1
-	check date NewEra $max Aug 17
+	check date Reiwa $max Aug 17
 #	set date Heisei $max Jul 28
 #	set timeofday 23 59 59 999
 #	add month 1
diff --git a/test/jdk/java/util/Calendar/CalendarTestScripts/japanese/japanese_minmax.cts b/test/jdk/java/util/Calendar/CalendarTestScripts/japanese/japanese_minmax.cts
index 1faea67..b907a37 100644
--- a/test/jdk/java/util/Calendar/CalendarTestScripts/japanese/japanese_minmax.cts
+++ b/test/jdk/java/util/Calendar/CalendarTestScripts/japanese/japanese_minmax.cts
@@ -14,10 +14,10 @@
 
 test Make sure that the maximum year value doesn't depent on era
     use jcal
-	# Note: the max year value is as of NewEra
+	# Note: the max year value is as of Reiwa
 	assign 292276976 $max
 	clear all
-	set date NewEra 1 May 1
+	set date Reiwa 1 May 1
 	get millis
 	check max year $max
 	assign $max $maxyear
@@ -39,9 +39,9 @@
 
 test Max of ERA
     use jcal
-	# Assumption: NewEra is the current era
-	check maximum era NewEra
-	check leastmax era NewEra
+	# Assumption: Reiwa is the current era
+	check maximum era Reiwa
+	check leastmax era Reiwa
 
 test Actual max MONTH
     use jcal
@@ -78,7 +78,7 @@
 	check actualmax month Apr
 
 	clear all
-	set date NewEra 2 Jan 1
+	set date Reiwa 2 Jan 1
 	set year $maxyear
 	check actualmax month Aug
 	get millis
@@ -133,8 +133,8 @@
    # time zone dependent
    use tokyocal
 	clear all
-	set date NewEra $maxyear Jan 1
-	# the last date of NewEra is N292276976.08.17T16:12:55.807+0900
+	set date Reiwa $maxyear Jan 1
+	# the last date of Reiwa is R292276976.08.17T16:12:55.807+0900
 	check actualmax day_of_year 229 # 31+28+31+30+31+30+31+17
 
 test Actual max WEEK_OF_YEAR
@@ -165,12 +165,12 @@
 	clear all
 	set date Heisei 31 Apr 28
 	check actualmax week_of_year 17
-	set date NewEra 1 Aug 9
+	set date Reiwa 1 Aug 9
 	check actualmax week_of_year 35
 
     use tokyocal
-	set date NewEra $maxyear Jan 1
-	# the last date of NewEra is N292276976.08.17T16:12:55.807+0900 (Sunday)	
+	set date Reiwa $maxyear Jan 1
+	# the last date of Reiwa is R292276976.08.17T16:12:55.807+0900 (Sunday)	
 	# The year is equivalent to 2003 (Gregorian).
 	check actualmax week_of_year 34
 
@@ -197,12 +197,12 @@
 	clear all
 	set date Heisei 31 Apr 30
 	check actualmax week_of_month 5
-	set date NewEra 1 May 1
+	set date Reiwa 1 May 1
 	check actualmax week_of_month 5
 
     use tokyocal
-	set date NewEra $maxyear Jan 1
-	# the last date of NewEra is N292276976.08.17T16:12:55.807+0900 (Sunday)	
+	set date Reiwa $maxyear Jan 1
+	# the last date of Reiwa is R292276976.08.17T16:12:55.807+0900 (Sunday)	
 	# The year is equivalent to 2003 (Gregorian).
 	check actualmax week_of_month 4
 	
@@ -229,13 +229,13 @@
 	clear all
 	set date Heisei 31 Apr 30
 	check actualmax week_of_month 5
-	set date NewEra 1 May 1
+	set date Reiwa 1 May 1
 	check actualmax week_of_month 5
 
     use tokyocal
 	clear all
-	set date NewEra $maxyear Jan 1
-	# the last date of NewEra is N292276976.08.17T16:12:55.807+0900 (Sunday)	
+	set date Reiwa $maxyear Jan 1
+	# the last date of Reiwa is R292276976.08.17T16:12:55.807+0900 (Sunday)	
 	# The year is equivalent to 2003 (Gregorian).
 	check actualmax week_of_month 4
 
@@ -269,11 +269,11 @@
 	set date Heisei 1 Aug 18
 	check actualmax year 30
 
-	set date NewEra 1 Apr 30
+	set date Reiwa 1 Apr 30
 	check actualmax year 31
 
 	# Date/time beyond the last date in the max year.
-	set date NewEra 1 Aug 18
+	set date Reiwa 1 Aug 18
 	check actualmax year 292276975
 	
 test Least max YEAR
diff --git a/test/jdk/java/util/Calendar/CalendarTestScripts/japanese/japanese_roll.cts b/test/jdk/java/util/Calendar/CalendarTestScripts/japanese/japanese_roll.cts
index fe82f6a..daa2bd4 100644
--- a/test/jdk/java/util/Calendar/CalendarTestScripts/japanese/japanese_roll.cts
+++ b/test/jdk/java/util/Calendar/CalendarTestScripts/japanese/japanese_roll.cts
@@ -147,13 +147,13 @@
 	roll year -1
 	check date Heisei 31 Apr 30
 
-	set date NewEra 2 Apr 30
+	set date Reiwa 2 Apr 30
 	get max year
 	assign $result $hmax
 	roll year -1
-	check date NewEra $hmax Apr 30
+	check date Reiwa $hmax Apr 30
 	roll year 1
-	check date NewEra 2 Apr 30
+	check date Reiwa 2 Apr 30
 
 test roll MONTH
 	set date BeforeMeiji 1867 Dec 1
@@ -276,16 +276,16 @@
 	check date BeforeMeiji $minyear May 18
 	check timeofday 1 47 4 191
 
-	set date NewEra 17 Jan 1
+	set date Reiwa 17 Jan 1
 	get max year
 	assign $result $max
-	set date NewEra $max Jul 28
+	set date Reiwa $max Jul 28
 	roll month 1
-	check date NewEra $max Aug 17
-	set date NewEra $max Jul 28
+	check date Reiwa $max Aug 17
+	set date Reiwa $max Jul 28
 	set timeofday 23 59 59 999
 	roll month 1
-	check date NewEra $max Aug 16
+	check date Reiwa $max Aug 16
 	check timeofday 23 59 59 999
 
 test roll WEEK_OF_YEAR
diff --git a/test/jdk/java/util/Calendar/JapaneseEraNameTest.java b/test/jdk/java/util/Calendar/JapaneseEraNameTest.java
index 430bd86..19e6be6 100644
--- a/test/jdk/java/util/Calendar/JapaneseEraNameTest.java
+++ b/test/jdk/java/util/Calendar/JapaneseEraNameTest.java
@@ -51,12 +51,12 @@
     Object[][] names() {
         return new Object[][] {
             // type,    locale,  name
-            { LONG,     JAPAN,   "\u5143\u53f7" }, // NewEra
-            { LONG,     US,      "NewEra" },
-            { LONG,     CHINA,   "NewEra" },
-            { SHORT,    JAPAN,   "\u5143\u53f7" },
-            { SHORT,    US,      "NewEra" },
-            { SHORT,    CHINA,   "N" },
+            { LONG,     JAPAN,   "\u4ee4\u548c" },
+            { LONG,     US,      "Reiwa" },
+            { LONG,     CHINA,   "Reiwa" },
+            { SHORT,    JAPAN,   "\u4ee4\u548c" },
+            { SHORT,    US,      "Reiwa" },
+            { SHORT,    CHINA,   "R" },
         };
     }
 
diff --git a/test/jdk/java/util/Calendar/JapaneseLenientEraTest.java b/test/jdk/java/util/Calendar/JapaneseLenientEraTest.java
index c03e30c..e8d86e1 100644
--- a/test/jdk/java/util/Calendar/JapaneseLenientEraTest.java
+++ b/test/jdk/java/util/Calendar/JapaneseLenientEraTest.java
@@ -47,7 +47,7 @@
             // lenient era/year, strict era/year
             { "Meiji 123", "Heisei 2" },
             { "Sh\u014dwa 65", "Heisei 2" },
-            { "Heisei 32", "NewEra 2" }, // NewEra
+            { "Heisei 32", "Reiwa 2" },
         };
     }
 
diff --git a/test/jdk/java/util/Calendar/NarrowNamesTest.java b/test/jdk/java/util/Calendar/NarrowNamesTest.java
index 58877fd..b4796b5 100644
--- a/test/jdk/java/util/Calendar/NarrowNamesTest.java
+++ b/test/jdk/java/util/Calendar/NarrowNamesTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -52,7 +52,7 @@
              HOUR_OF_DAY, 23);
         test(JAJPJP, DAY_OF_WEEK,
              LocalDateTime.now().isBefore(LocalDateTime.of(2019, 5, 1, 0, 0)) ?
-                "\u65e5" : "\u706b", // "Sun" for HEISEI, "Tue" for NEWERA
+                "\u65e5" : "\u706b", // "Sun" for HEISEI, "Tue" for REIWA
              YEAR, 24, MONTH, DECEMBER, DAY_OF_MONTH, 23);
         test(THTH, MONTH, NARROW_STANDALONE, "\u0e18.\u0e04.",
              YEAR, 2555, MONTH, DECEMBER, DAY_OF_MONTH, 5);
diff --git a/test/jdk/java/util/Calendar/ZoneOffsets.java b/test/jdk/java/util/Calendar/ZoneOffsets.java
index d63f096..dac3239 100644
--- a/test/jdk/java/util/Calendar/ZoneOffsets.java
+++ b/test/jdk/java/util/Calendar/ZoneOffsets.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -240,11 +240,11 @@
     }
 
     private static void adjustJapaneseEra(Calendar cal) {
-        // In case of Japanese calendar, explicitly set the last era; NEWERA so that
+        // In case of Japanese calendar, explicitly set the last era; REIWA so that
         // year 2005 won't throw exception
         if (!cal.isLenient() &&
                 cal.getCalendarType().equals("japanese") &&
-                System.currentTimeMillis() < 1556668800000L) { // Current time not in NEWERA
+                System.currentTimeMillis() < 1556668800000L) { // Current time not in REIWA
             cal.set(Calendar.ERA, 5);
             cal.add(Calendar.YEAR, -30); // -30: Subtract year-length of HEISEI era
         }