From 486c671e9e2a0545b6f5ce0c397764559f408018 Mon Sep 17 00:00:00 2001
From: XT <871963417@qq.com>
Date: Thu, 28 Apr 2022 23:34:41 +0800
Subject: [PATCH] Change compareTo(), name.charAt, getId, done.

---
 src/main/java/com/github/hcsp/polymorphism/User.java | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/github/hcsp/polymorphism/User.java b/src/main/java/com/github/hcsp/polymorphism/User.java
index 7a601df..cf3195d 100644
--- a/src/main/java/com/github/hcsp/polymorphism/User.java
+++ b/src/main/java/com/github/hcsp/polymorphism/User.java
@@ -47,7 +47,16 @@ public int hashCode() {
     /** 老板说让我按照用户名排序 */
     @Override
     public int compareTo(User o) {
-        return name.compareTo(o.name);
+        if(name.charAt(0)<o.name.charAt(0)){
+            return -1;
+        }
+        if(name.charAt(0)>o.name.charAt(0)){
+            return 1;
+        }
+        if(this.getId()<o.getId()){
+            return 0;
+        }
+        return 1;
     }
 
     public static void main(String[] args) {