From db361a3082d47486d8fa5aefc888cadd39794b74 Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Sat, 23 May 2026 11:59:03 +0800
Subject: [PATCH] =?UTF-8?q?day09-=E6=8A=BD=E8=B1=A1=E6=96=B9=E6=B3=95?=
 =?UTF-8?q?=E5=92=8C=E6=8A=BD=E8=B1=A1=E7=B1=BB=E7=9A=84=E6=A6=82=E5=BF=B5?=
 =?UTF-8?q?&=E6=A0=BC=E5=BC=8F?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 day09/src/com/inmind/abstract05/Animal.java          | 12 ++++++++++++
 day09/src/com/inmind/abstract05/Demo06.java          |  6 ++++++
 .../src/com/inmind/extends_constructor04/Demo05.java |  1 +
 day09/src/com/inmind/extends_constructor04/Fu.java   |  2 --
 day09/src/com/inmind/extends_constructor04/Zi.java   |  4 +++-
 5 files changed, 22 insertions(+), 3 deletions(-)
 create mode 100644 day09/src/com/inmind/abstract05/Animal.java
 create mode 100644 day09/src/com/inmind/abstract05/Demo06.java

diff --git a/day09/src/com/inmind/abstract05/Animal.java b/day09/src/com/inmind/abstract05/Animal.java
new file mode 100644
index 0000000..3aea8bf
--- /dev/null
+++ b/day09/src/com/inmind/abstract05/Animal.java
@@ -0,0 +1,12 @@
+package com.inmind.abstract05;
+/*
+抽象的概念：
+    1.当一个方法体无法实现时，则取消方法体，定义为抽象方法
+    2.一个类中如果有抽象方法，则这个类必须声明为抽象类
+ */
+public abstract class Animal {
+
+    //动物吃的方法
+    public abstract void eat();
+
+}
diff --git a/day09/src/com/inmind/abstract05/Demo06.java b/day09/src/com/inmind/abstract05/Demo06.java
new file mode 100644
index 0000000..dfdee27
--- /dev/null
+++ b/day09/src/com/inmind/abstract05/Demo06.java
@@ -0,0 +1,6 @@
+package com.inmind.abstract05;
+/*
+
+ */
+public class Demo06 {
+}
diff --git a/day09/src/com/inmind/extends_constructor04/Demo05.java b/day09/src/com/inmind/extends_constructor04/Demo05.java
index 205ea9d..3ad5e2a 100644
--- a/day09/src/com/inmind/extends_constructor04/Demo05.java
+++ b/day09/src/com/inmind/extends_constructor04/Demo05.java
@@ -18,6 +18,7 @@ public class Demo05 {
         System.out.println("--------------------------------");
         zi.method2();
 
+
         System.out.println("程序结束");
     }
 }
diff --git a/day09/src/com/inmind/extends_constructor04/Fu.java b/day09/src/com/inmind/extends_constructor04/Fu.java
index 98965e1..447e0f8 100644
--- a/day09/src/com/inmind/extends_constructor04/Fu.java
+++ b/day09/src/com/inmind/extends_constructor04/Fu.java
@@ -2,12 +2,10 @@ package com.inmind.extends_constructor04;
 
 public class Fu {
     int num = 100;
-
     //父类的无参构造方法
     public Fu(){
         System.out.println("父类无参构造方法");
     }
-
     //父类的有参构造方法
     public Fu(int num){
         System.out.println("父类有参构造方法");
diff --git a/day09/src/com/inmind/extends_constructor04/Zi.java b/day09/src/com/inmind/extends_constructor04/Zi.java
index fdb0293..917de11 100644
--- a/day09/src/com/inmind/extends_constructor04/Zi.java
+++ b/day09/src/com/inmind/extends_constructor04/Zi.java
@@ -1,6 +1,8 @@
 package com.inmind.extends_constructor04;
 
 
+import com.inmind.extends01.Employee;
+
 /*
 super可以表示父类的引用（对象）
 super三个使用操作：
@@ -22,7 +24,7 @@ this关键字使用方式
     c.this可以调用其他的重载构造方法，但是不能互相调用（死循环）
 
  */
-public class Zi extends Fu{//子类继承了父类，拥有了父类的非私有的成员
+public class Zi extends Fu {//子类继承了父类，拥有了父类的非私有的成员
     int num = 50;
     int num1;