Update README.md

README.md

@@ -132,25 +132,15 @@ public class NameAndAgeBuilder {
      * Return a "with"er for an existing record instance
      */
     public static NameAndAgeBuilder.With from(NameAndAge from) {
-    return new NameAndAgeBuilder.With() {
+        return new _FromWith(from);
-      @Override
-      public String name() {
-        return from.name();
-      }
-
-      @Override
-      public int age() {
-        return from.age();
-      }
-    };
     }
 
     /**
      * Return a stream of the record components as map entries keyed with the component name and the value as the component value
      */
     public static Stream<Map.Entry<String, Object>> stream(NameAndAge record) {
-    return Stream.of(Map.entry("name", record.name()),
+        return Stream.of(new AbstractMap.SimpleImmutableEntry<>("name", record.name()),
-            Map.entry("age", record.age()));
+                 new AbstractMap.SimpleImmutableEntry<>("age", record.age()));
     }
 
     /**
@@ -251,6 +241,24 @@ public class NameAndAgeBuilder {
             return new NameAndAge(name(), age);
         }
     }
+
+    private static final class _FromWith implements NameAndAgeBuilder.With {
+        private final NameAndAge from;
+
+        private _FromWith(NameAndAge from) {
+            this.from = from;
+        }
+
+        @Override
+        public String name() {
+            return from.name();
+        }
+
+        @Override
+        public int age() {
+            return from.age();
+        }
+    }
 }
 ```