From a58bf4771da11b9a94ec9f6b7af6c5307d85e456 Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Mon, 5 Jan 2026 13:53:51 +0800
Subject: [PATCH] =?UTF-8?q?day09--=E7=BB=A7=E6=89=BF=E7=9A=84=E6=88=90?=
 =?UTF-8?q?=E5=91=98=E5=86=85=E5=AE=B9=E7=9A=84=E8=AE=BF=E9=97=AE=E7=89=B9?=
 =?UTF-8?q?=E7=82=B9?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../com/inmind/extends_memberv02/Demo03.java  | 22 +++++++++++++++++++
 .../src/com/inmind/extends_memberv02/Fu.java  | 11 ++++++++++
 .../src/com/inmind/extends_memberv02/Zi.java  | 12 ++++++++++
 3 files changed, 45 insertions(+)
 create mode 100644 day09/src/com/inmind/extends_memberv02/Demo03.java
 create mode 100644 day09/src/com/inmind/extends_memberv02/Fu.java
 create mode 100644 day09/src/com/inmind/extends_memberv02/Zi.java

diff --git a/day09/src/com/inmind/extends_memberv02/Demo03.java b/day09/src/com/inmind/extends_memberv02/Demo03.java
new file mode 100644
index 0000000..9ee2b5a
--- /dev/null
+++ b/day09/src/com/inmind/extends_memberv02/Demo03.java
@@ -0,0 +1,22 @@
+package com.inmind.extends_memberv02;
+/*
+继承中成员变量的访问特点
+1.直接通过对象去访问，看对象创建语句=左边的内容，是谁就优先使用谁的成员变量，如果没有则向上找
+2.间接通过对象调用成员方法去访问，调用时，方法属于谁，就优先使用谁的成员变量，如果没有则向上找
+
+继承中成员方法的访问特点:
+    在继承中访问成员方法时，new的是谁，就优先使用谁的成员方法，如果没有则向上找
+
+ */
+public class Demo03 {
+    public static void main(String[] args) {
+        //创建一个子类对象
+        Zi zi = new Zi();
+        System.out.println(zi.numZi);//展示子类中的成员变量20
+        System.out.println(zi.numFu);//展示父类中的成员变量10
+        System.out.println(zi.num);//展示子类中的成员变量40
+
+        zi.methodZi();
+        zi.methodFu();
+    }
+}
diff --git a/day09/src/com/inmind/extends_memberv02/Fu.java b/day09/src/com/inmind/extends_memberv02/Fu.java
new file mode 100644
index 0000000..e996daf
--- /dev/null
+++ b/day09/src/com/inmind/extends_memberv02/Fu.java
@@ -0,0 +1,11 @@
+package com.inmind.extends_memberv02;
+
+public class Fu {
+    int numFu = 10;
+    int num = 30;
+
+    public void methodFu(){
+        System.out.println(numFu);
+        System.out.println(num);
+    }
+}
diff --git a/day09/src/com/inmind/extends_memberv02/Zi.java b/day09/src/com/inmind/extends_memberv02/Zi.java
new file mode 100644
index 0000000..1e77a84
--- /dev/null
+++ b/day09/src/com/inmind/extends_memberv02/Zi.java
@@ -0,0 +1,12 @@
+package com.inmind.extends_memberv02;
+
+public class Zi extends Fu{
+    int numZi = 20;
+    int num = 40;
+
+    public void methodZi(){
+        System.out.println(numZi);
+        System.out.println(numFu);
+        System.out.println(num);
+    }
+}