From 006ef97d55072ee1744a006bf82ba3c89ba1f079 Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Wed, 23 Sep 2026 14:44:32 +0800
Subject: [PATCH] =?UTF-8?q?day09--super=E4=B8=8Ethis=E5=85=B3=E9=94=AE?=
 =?UTF-8?q?=E5=AD=97=E5=86=85=E5=AD=98=E5=9B=BE=E8=A7=A3?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 day09/src/com/inmind/extends_this_super05/Demo08.java |  4 ++++
 day09/src/com/inmind/extends_this_super05/Fu.java     |  1 +
 day09/src/com/inmind/extends_this_super05/Zi.java     | 10 ++++++++--
 3 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/day09/src/com/inmind/extends_this_super05/Demo08.java b/day09/src/com/inmind/extends_this_super05/Demo08.java
index ef72357..0902672 100644
--- a/day09/src/com/inmind/extends_this_super05/Demo08.java
+++ b/day09/src/com/inmind/extends_this_super05/Demo08.java
@@ -18,4 +18,8 @@ this关键字的作用：
     c.this可以调用其他的重载的构造方法，不能相互调用
  */
 public class Demo08 {
+    public static void main(String[] args) {
+        Zi zi = new Zi();
+        zi.show();
+    }
 }
diff --git a/day09/src/com/inmind/extends_this_super05/Fu.java b/day09/src/com/inmind/extends_this_super05/Fu.java
index 5245d83..ab66b78 100644
--- a/day09/src/com/inmind/extends_this_super05/Fu.java
+++ b/day09/src/com/inmind/extends_this_super05/Fu.java
@@ -2,6 +2,7 @@ package com.inmind.extends_this_super05;
 
 public class Fu {
     int numFu = 10;
+    String name = "父类的name";
 
     public Fu(){}
 
diff --git a/day09/src/com/inmind/extends_this_super05/Zi.java b/day09/src/com/inmind/extends_this_super05/Zi.java
index 4093a5d..2438dcb 100644
--- a/day09/src/com/inmind/extends_this_super05/Zi.java
+++ b/day09/src/com/inmind/extends_this_super05/Zi.java
@@ -2,7 +2,7 @@ package com.inmind.extends_this_super05;
 
 public class Zi extends Fu{
     int numZi = 20;
-    String name;
+    String name = "子类的name";
 
     public Zi(){
         //调用有参构造即可
@@ -15,11 +15,17 @@ public class Zi extends Fu{
     public Zi(int numZi ,String name){
         super();
         this.numZi = numZi;
-        this.name = name;
+        if (name != null) {
+            this.name = name;
+        }
         System.out.println("必须要执行的初始化操作1");
         System.out.println("必须要执行的初始化操作2");
         System.out.println("必须要执行的初始化操作3");
     }
+    public void show(){
+        System.out.println(this.name);
+        System.out.println(super.name);
+    }