--- a/src/share/classes/sun/reflect/generics/reflectiveObjects/ParameterizedTypeImpl.java	Mon Nov 27 16:53:29 2017 +0000
+++ b/src/share/classes/sun/reflect/generics/reflectiveObjects/ParameterizedTypeImpl.java	Mon Jul 18 14:39:21 2016 +0300
@@ -212,7 +212,7 @@
             else
                 sb.append(ownerType.toString());
 
-            sb.append(".");
+            sb.append("$");
 
             if (ownerType instanceof ParameterizedTypeImpl) {
                 // Find simple name of nested type by removing the
@@ -220,7 +220,7 @@
                 sb.append(rawType.getName().replace( ((ParameterizedTypeImpl)ownerType).rawType.getName() + "$",
                                          ""));
             } else
-                sb.append(rawType.getName());
+               sb.append(rawType.getSimpleName());
         } else
             sb.append(rawType.getName());
 

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/java/lang/reflect/Generics/TestGenericReturnTypeToString.java	Mon Jul 18 14:39:21 2016 +0300
@@ -0,0 +1,135 @@
+/*
+ * Copyright (c) 2016, 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
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 8054213
+ * @summary Check that toString method works properly for generic return type
+ * obtained via reflection
+ * @run main TestGenericReturnTypeToString
+ */
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.reflect.Method;
+import java.util.List;
+
+public class TestGenericReturnTypeToString {
+
+    public static void main(String[] args) {
+        boolean hasFailures = false;
+        for (Method method : TestGenericReturnTypeToString.class.getMethods()) {
+            if (method.isAnnotationPresent(ExpectedGenericString.class)) {
+                ExpectedGenericString es = method.getAnnotation
+                        (ExpectedGenericString.class);
+                String result = method.getGenericReturnType().toString();
+                if (!es.value().equals(result)) {
+                    hasFailures = true;
+                    System.err.println("Unexpected result of " +
+                            "getGenericReturnType().toString() " +
+                            " for " + method.getName()
+                            + " expected: " + es.value() + " actual: " + result);
+                }
+            }
+            if (hasFailures) {
+                throw new RuntimeException("Test failed");
+            }
+        }
+    }
+
+    @ExpectedGenericString("TestGenericReturnTypeToString$" +
+          "FirstInnerClassGeneric<Dummy>$SecondInnerClassGeneric<Dummy>")
+    public FirstInnerClassGeneric<Dummy>.SecondInnerClassGeneric<Dummy> foo1() {
+        return null;
+    }
+
+    @ExpectedGenericString("TestGenericReturnTypeToString$" +
+          "FirstInnerClassGeneric<Dummy>$SecondInnerClass")
+    public FirstInnerClassGeneric<Dummy>.SecondInnerClass foo2() {
+        return null;
+    }
+
+    @ExpectedGenericString("TestGenericReturnTypeToString$" +
+          "FirstInnerClass$SecondInnerClassGeneric<Dummy>")
+    public FirstInnerClass.SecondInnerClassGeneric<Dummy> foo3() {
+        return null;
+    }
+
+    @ExpectedGenericString("class TestGenericReturnTypeToString$" +
+          "FirstInnerClass$SecondInnerClass")
+    public FirstInnerClass.SecondInnerClass foo4() {
+        return null;
+    }
+
+    @ExpectedGenericString(
+          "java.util.List<java.lang.String>")
+    public java.util.List<java.lang.String> foo5() {
+        return null;
+    }
+
+    @ExpectedGenericString("interface TestGenericReturnTypeToString$" +
+          "FirstInnerClass$Interface")
+    public FirstInnerClass.Interface foo6() {
+        return null;
+    }
+
+    @ExpectedGenericString("TestGenericReturnTypeToString$" +
+          "FirstInnerClass$InterfaceGeneric<Dummy>")
+    public FirstInnerClass.InterfaceGeneric<Dummy> foo7() {
+        return null;
+    }
+
+    public static class FirstInnerClass {
+
+        public class SecondInnerClassGeneric<T> {
+        }
+
+        public class SecondInnerClass {
+        }
+
+        interface Interface {
+        }
+
+        interface InterfaceGeneric<T> {
+        }
+    }
+
+    public class FirstInnerClassGeneric<T> {
+
+        public class SecondInnerClassGeneric<T> {
+        }
+
+        public class SecondInnerClass {
+        }
+    }
+}
+
+@Retention(RetentionPolicy.RUNTIME)
+@interface ExpectedGenericString {
+    String value();
+}
+
+class Dummy {
+}