From 11d02d1b485f0bbed47132c7dcad5334084b127c Mon Sep 17 00:00:00 2001
From: NCJOAQ <2627723488@qq.com>
Date: Wed, 9 Jul 2025 02:26:15 +0800
Subject: [PATCH] =?UTF-8?q?feat(class15):=20=E6=B7=BB=E5=8A=A0=E9=9D=99?=
 =?UTF-8?q?=E6=80=81=E5=8F=98=E9=87=8F=E5=92=8C=E5=AE=9E=E4=BE=8B=E5=8F=98?=
 =?UTF-8?q?=E9=87=8F=E7=9A=84=E7=A4=BA=E4=BE=8B=E4=BB=A3=E7=A0=81-=20?=
 =?UTF-8?q?=E6=96=B0=E5=A2=9E=20Student=20=E7=B1=BB=EF=BC=8C=E5=8C=85?=
 =?UTF-8?q?=E5=90=AB=E9=9D=99=E6=80=81=E5=8F=98=E9=87=8F=20name=20?=
 =?UTF-8?q?=E5=92=8C=E5=AE=9E=E4=BE=8B=E5=8F=98=E9=87=8F=20age=20-=20?=
 =?UTF-8?q?=E6=96=B0=E5=A2=9E=20Test=20=E7=B1=BB=EF=BC=8C=E6=BC=94?=
 =?UTF-8?q?=E7=A4=BA=E9=9D=99=E6=80=81=E5=8F=98=E9=87=8F=E7=9A=84=E5=85=B1?=
 =?UTF-8?q?=E4=BA=AB=E7=89=B9=E6=80=A7=20-=20=E6=96=B0=E5=A2=9E=20User=20?=
 =?UTF-8?q?=E7=B1=BB=EF=BC=8C=E4=BD=BF=E7=94=A8=E9=9D=99=E6=80=81=E5=8F=98?=
 =?UTF-8?q?=E9=87=8F=20count=20=E8=AE=B0=E5=BD=95=E7=94=A8=E6=88=B7?=
 =?UTF-8?q?=E6=95=B0=E9=87=8F=20-=20=E6=96=B0=E5=A2=9E=20Test2=20=E7=B1=BB?=
 =?UTF-8?q?=EF=BC=8C=E6=B5=8B=E8=AF=95=20User=20=E7=B1=BB=E7=9A=84?=
 =?UTF-8?q?=E9=9D=99=E6=80=81=E5=8F=98=E9=87=8F?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 src/class15/staticfield/Student.java |  7 +++++++
 src/class15/staticfield/Test.java    | 21 +++++++++++++++++++++
 src/class15/staticfield/Test2.java   | 11 +++++++++++
 src/class15/staticfield/User.java    |  8 ++++++++
 4 files changed, 47 insertions(+)
 create mode 100644 src/class15/staticfield/Student.java
 create mode 100644 src/class15/staticfield/Test.java
 create mode 100644 src/class15/staticfield/Test2.java
 create mode 100644 src/class15/staticfield/User.java

diff --git a/src/class15/staticfield/Student.java b/src/class15/staticfield/Student.java
new file mode 100644
index 0000000..a403ca2
--- /dev/null
+++ b/src/class15/staticfield/Student.java
@@ -0,0 +1,7 @@
+package class15.staticfield;
+
+public class Student {
+    //静态变量，属于类，所有对象共享
+    static String name;
+    //实例变量，属于对象，对象有自己
+}
diff --git a/src/class15/staticfield/Test.java b/src/class15/staticfield/Test.java
new file mode 100644
index 0000000..147da30
--- /dev/null
+++ b/src/class15/staticfield/Test.java
@@ -0,0 +1,21 @@
+package class15.staticfield;
+
+public class Test {
+    public static void main(String[] args) {
+        Student.name = "袁华";
+        System.out.println(Student.name);
+
+        Student s1 = new Student();
+        s1.name = "马冬梅";
+        System.out.println(s1.name);
+
+        Student s2 = new Student();
+        s2.name = "秋雅";
+        System.out.println(s1.name);
+        System.out.println(s2.name);
+
+
+
+
+    }
+}
diff --git a/src/class15/staticfield/Test2.java b/src/class15/staticfield/Test2.java
new file mode 100644
index 0000000..9207d6c
--- /dev/null
+++ b/src/class15/staticfield/Test2.java
@@ -0,0 +1,11 @@
+package class15.staticfield;
+
+public class Test2 {
+    public static void main(String[] args) {
+        new User();
+        new User();
+        new User();
+        new User();
+        System.out.println(User.count);
+    }
+}
diff --git a/src/class15/staticfield/User.java b/src/class15/staticfield/User.java
new file mode 100644
index 0000000..788b949
--- /dev/null
+++ b/src/class15/staticfield/User.java
@@ -0,0 +1,8 @@
+package class15.staticfield;
+
+public class User {
+    public static int count = 0;
+    public User(){
+        count++;
+    }
+}