From b23933ee2d0202e17156d8292664bdf5e7ec9f31 Mon Sep 17 00:00:00 2001
From: YuWeixia <yuweixia0607@outlook.com>
Date: Mon, 13 Apr 2026 17:12:05 +0800
Subject: [PATCH] =?UTF-8?q?=E4=B8=8A=E4=BC=A0=E6=96=87=E4=BB=B6=E8=87=B3?=
 =?UTF-8?q?=20'w5'?=
MIME-Version: 1.0
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---
 w5/Shape.java.java | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 w5/Shape.java.java

diff --git a/w5/Shape.java.java b/w5/Shape.java.java
new file mode 100644
index 0000000..37daff3
--- /dev/null
+++ b/w5/Shape.java.java
@@ -0,0 +1,25 @@
+package w5;
+
+abstract class Shape{
+    public abstract void draw();   
+}
+class Circle extends Shape{
+    @Override
+    public void draw() {
+        System.out.println("画一个圆");
+    }
+}
+class Rectangle extends Shape{
+    @Override
+    public void draw() {
+        System.out.println("画一个矩形");
+    }
+}
+class ShapeTest{
+    public static void main(String[] args){
+        Shape circle = new Circle();
+        circle.draw();
+        Shape rectangle = new Rectangle();
+        rectangle.draw();
+    }
+}
\ No newline at end of file