From 4973afbd21daf99d163533a40da65fb99c80387f Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Tue, 22 Sep 2026 14:53:32 +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=E6=96=B9?=
 =?UTF-8?q?=E6=B3=95?=
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---
 day08/src/com/inmind/static02/Demo08.java  | 27 ++++++++++++++++++++++
 day08/src/com/inmind/static02/Student.java | 15 ++++++++++++
 2 files changed, 42 insertions(+)
 create mode 100644 day08/src/com/inmind/static02/Demo08.java
 create mode 100644 day08/src/com/inmind/static02/Student.java

diff --git a/day08/src/com/inmind/static02/Demo08.java b/day08/src/com/inmind/static02/Demo08.java
new file mode 100644
index 0000000..0cdbb03
--- /dev/null
+++ b/day08/src/com/inmind/static02/Demo08.java
@@ -0,0 +1,27 @@
+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静态变量的值
+静态成员变量的使用方式：
+    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 Demo08 {
+    public static void main(String[] args) {
+        //创建2个学生（同班同学）
+        Student s1 = new Student("张三", 20);
+        Student s2 = new Student("李四", 21);
+        //你们在哪个教室上课？？
+        System.out.println(Student.clazz);
+        System.out.println(s1.clazz);
+
+        //告诉张三，你们今天上课的教室是1903室
+        s1.clazz = "1903室";
+        //遇到李四，你知道今天的教室在哪吗？？
+        System.out.println(s2.clazz);
+        Student s3 = new Student("王五", 20);
+        System.out.println(s3.clazz);
+        Student.clazz = "1904";//修改静态变量
+    }
+}
diff --git a/day08/src/com/inmind/static02/Student.java b/day08/src/com/inmind/static02/Student.java
new file mode 100644
index 0000000..f347429
--- /dev/null
+++ b/day08/src/com/inmind/static02/Student.java
@@ -0,0 +1,15 @@
+package com.inmind.static02;
+
+public class Student {
+    String name;
+    int age;
+    static String clazz;//班级
+
+    public Student() {
+    }
+
+    public Student(String name, int age) {
+        this.name = name;
+        this.age = age;
+    }
+}