From 2c845e3b0c972f3f658908ae5e17a1910acccf8a Mon Sep 17 00:00:00 2001
From: HP <591639554@qq.com>
Date: Tue, 28 Apr 2020 10:26:15 +0800
Subject: [PATCH 1/2] =?UTF-8?q?=E5=8C=BF=E5=90=8D=E5=86=85=E9=83=A8?=
 =?UTF-8?q?=E7=B1=BB?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../java/com/github/hcsp/polymorphism/User.java     | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/main/java/com/github/hcsp/polymorphism/User.java b/src/main/java/com/github/hcsp/polymorphism/User.java
index 78d927d..9fdc619 100644
--- a/src/main/java/com/github/hcsp/polymorphism/User.java
+++ b/src/main/java/com/github/hcsp/polymorphism/User.java
@@ -1,5 +1,6 @@
 package com.github.hcsp.polymorphism;
 
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
@@ -29,6 +30,18 @@ public static List<String> collectNames(List<User> users) {
         NameCollector collector = new NameCollector();
         users.forEach(collector);
         return collector.getNames();
+        new NameCollector() {
+            private final List<String> names = new ArrayList<>();
+
+            @Override
+            public void accept(User user) {
+                names.add(user.getName());
+            }
+
+            public List<String> getNames() {
+                return names;
+            }
+        };
     }
 
     public static void main(String[] args) {

From 6d2cbfdae3ad081e603ba8d5709a9de3654b0569 Mon Sep 17 00:00:00 2001
From: HP <591639554@qq.com>
Date: Tue, 28 Apr 2020 10:36:42 +0800
Subject: [PATCH 2/2] =?UTF-8?q?=E5=8C=BF=E5=90=8D=E5=86=85=E9=83=A8?=
 =?UTF-8?q?=E7=B1=BB?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../com/github/hcsp/polymorphism/User.java    | 34 +++++++++++--------
 1 file changed, 20 insertions(+), 14 deletions(-)

diff --git a/src/main/java/com/github/hcsp/polymorphism/User.java b/src/main/java/com/github/hcsp/polymorphism/User.java
index 9fdc619..3f50bc1 100644
--- a/src/main/java/com/github/hcsp/polymorphism/User.java
+++ b/src/main/java/com/github/hcsp/polymorphism/User.java
@@ -3,12 +3,17 @@
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
+import java.util.function.Consumer;
 
 public class User {
-    /** 用户ID，数据库主键，全局唯一 */
+    /**
+     * 用户ID，数据库主键，全局唯一
+     */
     private final Integer id;
 
-    /** 用户名 */
+    /**
+     * 用户名
+     */
     private final String name;
 
     public User(Integer id, String name) {
@@ -30,18 +35,19 @@ public static List<String> collectNames(List<User> users) {
         NameCollector collector = new NameCollector();
         users.forEach(collector);
         return collector.getNames();
-        new NameCollector() {
-            private final List<String> names = new ArrayList<>();
-
-            @Override
-            public void accept(User user) {
-                names.add(user.getName());
-            }
-
-            public List<String> getNames() {
-                return names;
-            }
-        };
+    }
+
+    private static class NameCollector implements Consumer<User> {
+        private final List<String> names = new ArrayList<>();
+
+        @Override
+        public void accept(User user) {
+            names.add(user.getName());
+        }
+
+        public List<String> getNames() {
+            return names;
+        }
     }
 
     public static void main(String[] args) {