From 153253c0311988b0148cf058fd727d8e31447f18 Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Sun, 10 May 2026 13:56:26 +0800
Subject: [PATCH] =?UTF-8?q?day06-=E9=9D=A2=E5=90=91=E5=AF=B9=E8=B1=A1?=
 =?UTF-8?q?=E7=89=B9=E6=80=A7=E4=B9=8B=E5=B0=81=E8=A3=85=E7=9A=84=E5=AE=9E?=
 =?UTF-8?q?=E7=8E=B0=5F=E7=A7=81=E6=9C=89private?=
MIME-Version: 1.0
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Content-Transfer-Encoding: 8bit

---
 day06/src/com/inmind/object01/Demo03.java   |  8 ++--
 day06/src/com/inmind/object01/Phone.java    |  1 +
 day06/src/com/inmind/private02/Demo04.java  | 25 ++++++++++++
 day06/src/com/inmind/private02/Student.java | 43 +++++++++++++++++++++
 4 files changed, 73 insertions(+), 4 deletions(-)
 create mode 100644 day06/src/com/inmind/private02/Demo04.java
 create mode 100644 day06/src/com/inmind/private02/Student.java

diff --git a/day06/src/com/inmind/object01/Demo03.java b/day06/src/com/inmind/object01/Demo03.java
index 1e5efcf..dac6f6b 100644
--- a/day06/src/com/inmind/object01/Demo03.java
+++ b/day06/src/com/inmind/object01/Demo03.java
@@ -19,8 +19,8 @@ public class Demo03 {
         System.out.println(p1.color);
         System.out.println(p1.price);
         System.out.println(p1.size);*/
-        //p1.show();
-        showPhone(p1);
+        p1.show();
+//        showPhone(p1);
 
         //对象的行为操作
         p1.call("10086");
@@ -37,8 +37,8 @@ public class Demo03 {
         System.out.println(p2.color);
         System.out.println(p2.price);
         System.out.println(p2.size);*/
-        //p2.show();
-        showPhone(p2);
+        p2.show();
+//        showPhone(p2);
         p2.call("10000");
         p2.sendMsg("13666666666");
 
diff --git a/day06/src/com/inmind/object01/Phone.java b/day06/src/com/inmind/object01/Phone.java
index e7559b8..a2b1e83 100644
--- a/day06/src/com/inmind/object01/Phone.java
+++ b/day06/src/com/inmind/object01/Phone.java
@@ -34,6 +34,7 @@ public class Phone {
 
     //展示自己的功能
     public void show(){
+        String brand1 = "小米";//局部变量
         System.out.println("品牌是"+brand+"，颜色是"+color+"，价格是"+price+"的手机");
     }
 
diff --git a/day06/src/com/inmind/private02/Demo04.java b/day06/src/com/inmind/private02/Demo04.java
new file mode 100644
index 0000000..f86a87f
--- /dev/null
+++ b/day06/src/com/inmind/private02/Demo04.java
@@ -0,0 +1,25 @@
+package com.inmind.private02;
+/*
+面向对象之封装的作用：类的安全性
+如何封装呢？？
+1.使用private关键字修饰成员变量
+2.使用get/setXXX方法来对private修饰的成员变量，进行取值和赋值
+ */
+public class Demo04 {
+    public static void main(String[] args) {
+        //创建一个学生对象
+        Student s = new Student();
+        //直接操作该对象的属性（不安全）
+        //属性被private修饰，不能直接访问，只能被它本类访问或通过方法间接访问
+        /*s.age = -18;
+        s.name = "张三";
+        System.out.println(s.age);
+        System.out.println(s.name);*/
+
+        s.setName("张三");
+        System.out.println(s.getName());
+
+        s.setAge(-18);
+        System.out.println(s.getAge());
+    }
+}
diff --git a/day06/src/com/inmind/private02/Student.java b/day06/src/com/inmind/private02/Student.java
new file mode 100644
index 0000000..b3b1569
--- /dev/null
+++ b/day06/src/com/inmind/private02/Student.java
@@ -0,0 +1,43 @@
+package com.inmind.private02;
+/*
+private:权限修饰符，最小一个权限，被它修饰的内容只能在本类中访问，private可以修饰
+成员方法和成员变量，表示私有化
+ */
+public class Student {
+    //姓名
+    private String name = "张三";//成员变量是可以有初始化值的！！！
+    //年龄
+    private int age;
+
+    //get方法
+    public String getName(){
+        return name;
+    }
+
+    //set方法
+    public void setName(String a){
+        name = a;
+    }
+
+
+
+    //get方法
+    public int getAge(){
+        return age;
+    }
+
+    //set方法
+    public void setAge(int a){
+        if (a < 0 || a > 120) {
+            System.out.println("您输入的年龄有误");
+            return;//提前结束方法，如果年龄小于0或者大于120，则直接返回，不执行下面的代码
+        }
+        age = a;
+    }
+
+
+    //学习
+    public void study(String book){
+        System.out.println(name+"学生正在学习" + book);
+    }
+}