From d65bb8793a226ffbbf822b8011fe5398fc5c50d3 Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Wed, 22 Jul 2026 15:27:35 +0800
Subject: [PATCH] =?UTF-8?q?day08-=E9=9D=99=E6=80=81static=E5=85=B3?=
 =?UTF-8?q?=E9=94=AE=E5=AD=97=E4=BF=AE=E9=A5=B0=E6=88=90=E5=91=98=E5=8F=98?=
 =?UTF-8?q?=E9=87=8F?=
MIME-Version: 1.0
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---
 .../src/com/inmind/static02/StaticDemo10.java | 25 +++++++++++++++++++
 day08/src/com/inmind/static02/Student.java    | 19 ++++++++++++++
 2 files changed, 44 insertions(+)
 create mode 100644 day08/src/com/inmind/static02/StaticDemo10.java
 create mode 100644 day08/src/com/inmind/static02/Student.java

diff --git a/day08/src/com/inmind/static02/StaticDemo10.java b/day08/src/com/inmind/static02/StaticDemo10.java
new file mode 100644
index 0000000..0592674
--- /dev/null
+++ b/day08/src/com/inmind/static02/StaticDemo10.java
@@ -0,0 +1,25 @@
+package com.inmind.static02;
+/*
+static关键字的使用：
+可以修饰成员变量和成员方法。
+1.使用static修饰成员变量的使用方式：只跟类有关，与对象无关了,并且该类的每个对象都共享了该变量的值
+静态变量的使用方式：
+    a.类名.静态变量名（推荐使用）
+    b.对象名.静态变量名（不推荐使用）
+ */
+public class StaticDemo10 {
+    public static void main(String[] args) {
+        //创建2个学生对象
+        Student s1 = new Student("张三");
+        Student s2 = new Student("李四");
+        //问张三同学，你们在哪个教室上课？？？
+        s1.show();
+        //告诉张三，你们在1903上课
+        Student.classRoom = "1903";//正确写法
+        //s1.classRoom = "1903";//不推荐的写法
+
+        //问李四同学，你们在哪个教室上课？？？
+        s2.show();
+
+    }
+}
diff --git a/day08/src/com/inmind/static02/Student.java b/day08/src/com/inmind/static02/Student.java
new file mode 100644
index 0000000..fb1d26e
--- /dev/null
+++ b/day08/src/com/inmind/static02/Student.java
@@ -0,0 +1,19 @@
+package com.inmind.static02;
+
+public class Student {
+    String name;
+    int age;
+    int id;
+    static String classRoom; //（静态变量）教室，但是教室只有一个，学生有n个，n个学生都使用同一个教室
+
+    public Student() {
+    }
+
+    public Student(String name) {
+        this.name = name;
+    }
+
+    public void show() {
+        System.out.println("姓名："+name+"在"+classRoom+"教室上课");
+    }
+}