From 6aade77157fab9cdfea2789a91275a8bc4ed91b4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E2=80=9Cidpeng=E2=80=9D?= <630606938@qq.com>
Date: Mon, 30 Aug 2021 22:06:33 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E5=85=B6=E4=B8=AD=E7=9A=84bu?=
 =?UTF-8?q?g?=
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---
 .../java/com/github/hcsp/polymorphism/User.java   | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/src/main/java/com/github/hcsp/polymorphism/User.java b/src/main/java/com/github/hcsp/polymorphism/User.java
index 7a601df..aea9744 100644
--- a/src/main/java/com/github/hcsp/polymorphism/User.java
+++ b/src/main/java/com/github/hcsp/polymorphism/User.java
@@ -6,10 +6,14 @@
 import java.util.TreeSet;
 
 public class User implements Comparable<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) {
@@ -44,9 +48,14 @@ public int hashCode() {
         return id != null ? id.hashCode() : 0;
     }
 
-    /** 老板说让我按照用户名排序 */
+    /**
+     * 老板说让我按照用户名排序
+     */
     @Override
     public int compareTo(User o) {
+        if (name.compareTo(o.name) == 0) {
+            return id.compareTo(o.id);
+        }
         return name.compareTo(o.name);
     }