From a7a2d8c51ce56716d34d303bd013ee643effd437 Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Sat, 23 May 2026 14:21:14 +0800
Subject: [PATCH] =?UTF-8?q?day09-=E6=8A=BD=E8=B1=A1=E7=B1=BB=E6=A1=88?=
 =?UTF-8?q?=E4=BE=8B-=E5=9B=BE=E5=BD=A2Shape-=E5=AE=8C=E5=96=84?=
MIME-Version: 1.0
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---
 .../com/inmind/abstract05/test/Circle.java    | 19 +++++++++++++++++++
 .../com/inmind/abstract05/test/Rectangle.java |  2 +-
 .../src/com/inmind/abstract05/test/Shape.java | 14 ++++++++++++++
 .../com/inmind/abstract05/test/Square.java    |  9 +++++++++
 .../com/inmind/abstract05/test/Test07.java    |  9 +++++++++
 5 files changed, 52 insertions(+), 1 deletion(-)
 create mode 100644 day09/src/com/inmind/abstract05/test/Circle.java
 create mode 100644 day09/src/com/inmind/abstract05/test/Square.java

diff --git a/day09/src/com/inmind/abstract05/test/Circle.java b/day09/src/com/inmind/abstract05/test/Circle.java
new file mode 100644
index 0000000..8e84a73
--- /dev/null
+++ b/day09/src/com/inmind/abstract05/test/Circle.java
@@ -0,0 +1,19 @@
+package com.inmind.abstract05.test;
+
+public class Circle extends Shape{
+
+    //强制要求创建圆形的时候，必定要给半径，才能创建圆形对象
+    public Circle(int r){
+        super(r);
+    }
+
+    @Override
+    public double getArea() {
+        return Math.PI*getR()*getR();
+    }
+
+    @Override
+    public double getZC() {
+        return 2*Math.PI*getR();
+    }
+}
diff --git a/day09/src/com/inmind/abstract05/test/Rectangle.java b/day09/src/com/inmind/abstract05/test/Rectangle.java
index 0c8e059..b7117e5 100644
--- a/day09/src/com/inmind/abstract05/test/Rectangle.java
+++ b/day09/src/com/inmind/abstract05/test/Rectangle.java
@@ -5,7 +5,7 @@ public class Rectangle extends Shape{
 
     //强制要求创建矩形的时候，必定要给我一长宽，才能创建矩形对象
     public Rectangle(int chang ,int kuan){
-        super(chang,kuan,0);
+        super(chang,kuan);
     }
 
 
diff --git a/day09/src/com/inmind/abstract05/test/Shape.java b/day09/src/com/inmind/abstract05/test/Shape.java
index 9159107..e85ba5a 100644
--- a/day09/src/com/inmind/abstract05/test/Shape.java
+++ b/day09/src/com/inmind/abstract05/test/Shape.java
@@ -11,8 +11,22 @@ public abstract class Shape {
         this.chang = chang;
         this.kuan = kuan;
         this.r = r;
+
+        //初始化操作
     }
 
+    public Shape(int chang, int kuan) {
+        /*this.chang = chang;
+        this.kuan = kuan;*/
+        this(chang,kuan,0);
+    }
+
+    public Shape(int r) {
+//        this.r = r;
+        this(0, 0, r);
+    }
+
+
     public int getChang() {
         return chang;
     }
diff --git a/day09/src/com/inmind/abstract05/test/Square.java b/day09/src/com/inmind/abstract05/test/Square.java
new file mode 100644
index 0000000..d73ca7c
--- /dev/null
+++ b/day09/src/com/inmind/abstract05/test/Square.java
@@ -0,0 +1,9 @@
+package com.inmind.abstract05.test;
+
+public class Square extends Rectangle{
+
+    //强制要求创建正方形的时候，必定要给我一个边长，才能创建正方形对象
+    public Square(int bc){
+        super(bc,bc);
+    }
+}
diff --git a/day09/src/com/inmind/abstract05/test/Test07.java b/day09/src/com/inmind/abstract05/test/Test07.java
index fc6149d..a9f6610 100644
--- a/day09/src/com/inmind/abstract05/test/Test07.java
+++ b/day09/src/com/inmind/abstract05/test/Test07.java
@@ -18,5 +18,14 @@ public class Test07 {
         Rectangle rectangle = new Rectangle(4, 2);
         System.out.println("矩形的面积是："+rectangle.getArea());
         System.out.println("矩形的周长是："+rectangle.getZC());
+        //创建一个圆形对象
+        Circle circle = new Circle(2);
+        System.out.println("圆形的面积是："+circle.getArea());
+        System.out.println("圆形的周长是："+circle.getZC());
+
+        //如何快速定义出一个正方型的类，还不用自己实现周长和面积的方法,但是能输出面积和周长
+        Square square = new Square(2);
+        System.out.println("正方形的周长是："+square.getZC());
+        System.out.println("正方形的面积是："+square.getArea());
     }
 }