From 8476e4095e1713cee346a0e8d2501d1e6882d2fc Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Sun, 19 Jul 2026 14:46:54 +0800
Subject: [PATCH] =?UTF-8?q?day06-=E5=B0=81=E8=A3=85=E7=9A=84=E4=BC=98?=
 =?UTF-8?q?=E5=8C=96=5Fthis=E7=9A=84=E6=A6=82=E8=BF=B0=E5=92=8C=E4=BD=BF?=
 =?UTF-8?q?=E7=94=A8?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 day06/src/com/inmind/private02/Demo03.java  |  5 +++
 day06/src/com/inmind/private02/Student.java | 40 +++++++++++++--------
 2 files changed, 31 insertions(+), 14 deletions(-)

diff --git a/day06/src/com/inmind/private02/Demo03.java b/day06/src/com/inmind/private02/Demo03.java
index dfc4278..d17f023 100644
--- a/day06/src/com/inmind/private02/Demo03.java
+++ b/day06/src/com/inmind/private02/Demo03.java
@@ -15,10 +15,15 @@ public class Demo03 {
         //s.age = -18;
         //s.id = 2;
         //针对私有化的属性进行取值赋值
+        //赋值
         s.setAge(18);
+        System.out.println("对象s的地址："+s);
         s.setName("张三");
         s.setId(2);
         s.study("SQL");
+        //取值
+        int id = s.getId();
+        int age = s.getAge();
 
     }
 }
diff --git a/day06/src/com/inmind/private02/Student.java b/day06/src/com/inmind/private02/Student.java
index b229601..7896fa9 100644
--- a/day06/src/com/inmind/private02/Student.java
+++ b/day06/src/com/inmind/private02/Student.java
@@ -5,42 +5,54 @@ public class Student {
     private int age;
     private int id;
 
-    //获取年龄
-    public int getAge(){
-        return age;
-    }
+
 
     //设置年龄
-    public void setAge(int a){
-        if (a >= 0 && a <= 120) {
-            age = a;
+    public void setAge(int age){
+        if (age >= 0 && age <= 120) {
+            this.age = age;
         } else {
             System.out.println("年龄不合法，请输入0~120的年龄");
         }
     }
 
+    //获取年龄
+    public int getAge(){
+        return this.age;
+    }
+
     public int getId(){
-        return id;
+        return this.id;
     }
 
     //设置年龄
-    public void setId(int b){
-            id = b;
+    public void setId(int id){
+        this.id = id;
     }
 
 
     public String getName(){
-        return name;
+        return this.name;
     }
 
     //设置年龄
-    public void setName(String n){
-        name = n;
+    public void setName(String name){//shfit+F6:重命名
+        /*
+        name = name;
+        当前代码想要的效果：成员变量 = 局部变量
+        但当前的效果：局部变量 = 局部变量
+        如何解决当前重名的问题？？？
+        使用this：this.成员变量名,一定表示当前对象的成员变量
+        this:表示一个对象，哪个对象调用了当前的方法，那么这个this就表示该对象
+        总结：在一个描述类中，所有的成员变量和成员方法，前面都有this.,哪怕你不写，编译器也会主动加上！！！！！
+         */
+        System.out.println("setName方法中的this:"+this);
+        this.name = name;
     }
 
 
     //学习
     public void study(String book){
-        System.out.println("姓名为"+name+"的"+age+"岁的学生正在学习"+book);
+        System.out.println("姓名为"+this.name+"的"+this.age+"岁的学生正在学习"+book);
     }
 }