From 971b2c3d1d38117168d5fd7cdbc5b3a066bb7039 Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Sun, 25 Jan 2026 15:03:50 +0800
Subject: [PATCH] =?UTF-8?q?day11-final=E5=85=B3=E9=94=AE=E5=AD=97=E7=94=A8?=
 =?UTF-8?q?=E4=BA=8E=E4=BF=AE=E9=A5=B0=E6=88=90=E5=91=98=E5=8F=98=E9=87=8F?=
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---
 day11/src/com/inmind/final01/Demo03.java | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 day11/src/com/inmind/final01/Demo03.java

diff --git a/day11/src/com/inmind/final01/Demo03.java b/day11/src/com/inmind/final01/Demo03.java
new file mode 100644
index 0000000..a97d131
--- /dev/null
+++ b/day11/src/com/inmind/final01/Demo03.java
@@ -0,0 +1,24 @@
+package com.inmind.final01;
+/*
+final关键字用于修饰成员变量
+注意：被final修饰成员变量，必须【手动赋值】
+
+成员变量：在类中方法外定义的非静态变量就是成员变量
+成员位置：类中方法外
+局部位置：方法中
+ */
+public class Demo03 {
+    //定义在成员位置的成员变量
+    final int i = 10;
+    final int j ;
+
+    public Demo03(){
+        j = 10;//注意：被final修饰的变量，你想先定义后赋值，必须在构造方法中赋一次
+    }
+
+    public  void method() {
+        System.out.println(i);
+        System.out.println(j);
+    }
+
+}