--- old/make/jdk/src/classes/build/tools/cldrconverter/ResourceBundleGenerator.java	2018-11-16 17:01:07.932934364 +0530
+++ new/make/jdk/src/classes/build/tools/cldrconverter/ResourceBundleGenerator.java	2018-11-16 17:01:07.572934364 +0530
@@ -33,6 +33,7 @@
 import java.util.HashSet;
 import java.util.HashMap;
 import java.util.LinkedHashMap;
+import java.util.List;
 import java.util.Map;
 import java.util.Locale;
 import java.util.Objects;
@@ -106,7 +107,7 @@
         } else {
             encoding = "iso-8859-1";
         }
-
+        boolean containsList = false;
         Formatter fmt = null;
         if (type == BundleType.TIMEZONE) {
             fmt = new Formatter();
@@ -166,6 +167,14 @@
                                     fmt.format("               \"%s\",\n", CLDRConverter.saveConvert(s, useJava));
                                 }
                                 fmt.format("            };\n");
+                            } else if (val instanceof List) {
+                                containsList = true;
+                                List<String> values = (List) val;
+                                fmt.format("        final List<String> %s = List.of (\n", metaVal);
+                                for (int index = 0; index < values.size() - 1; index++) {
+                                    fmt.format("               \"%s\",\n", CLDRConverter.saveConvert(values.get(index), useJava));
+                                }
+                                fmt.format("               \"%s\");\n", CLDRConverter.saveConvert(values.get(values.size() - 1), useJava));
                             } else {
                                 fmt.format("        final String %s = \"%s\";\n", metaVal, CLDRConverter.saveConvert((String)val, useJava));
                             }
@@ -195,6 +204,12 @@
 
             if (useJava) {
                 out.println("package sun." + packageName + ";\n");
+                // only in the FormatData resource bundles which contains
+                // list in map
+                if (baseName.equals("FormatData") && (containsList
+                        || map.values().stream().anyMatch(v -> v instanceof List))) {
+                    out.printf("import java.util.List;\n\n");
+                }
                 out.printf("import %s;\n\n", type.getPathName());
                 out.printf("public class %s%s extends %s {\n", baseName, "root".equals(localeID) ? "" : "_" + localeID, type.getClassName());
 
@@ -226,6 +241,14 @@
                             out.println("                    \"" + CLDRConverter.saveConvert(s, useJava) + "\",");
                         }
                         out.println("                }\n            },");
+                    } else if (value instanceof List) {
+                        List<String> values = (List) value;
+                        out.println("            { \"" + key + "\",\n                List.of(");
+                        for (int index = 0; index < values.size() - 1; index++) {
+                            out.println("                    \"" + CLDRConverter.saveConvert(values.get(index), useJava) + "\",");
+                        }
+                        out.println("                    \"" + CLDRConverter.saveConvert(values.get(values.size() - 1), useJava) + "\"");
+                        out.println("                )\n            },");
                     } else {
                         throw new RuntimeException("unknown value type: " + value.getClass().getName());
                     }