From 3582a7ba6bca5b4952d883b4298287bb7ddcbb5e Mon Sep 17 00:00:00 2001
From: zhangsiyuan <3837703520@qq.com>
Date: Fri, 3 Apr 2026 15:56:49 +0800
Subject: [PATCH] =?UTF-8?q?w5-=E5=BC=A0=E6=80=9D=E6=B8=8A-202401070104?=
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---
 w5/Main.java | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 w5/Main.java

diff --git a/w5/Main.java b/w5/Main.java
new file mode 100644
index 0000000..4425e53
--- /dev/null
+++ b/w5/Main.java
@@ -0,0 +1,24 @@
+abstract class Shape{
+    public abstract void draw();
+}
+class Rectangle extends Shape{
+    public void draw(){
+        System.out.println("画一个矩形");
+    }
+}
+class Circle extends Shape{
+    public void draw(){
+        System.out.println("画一个圆");
+    }
+}
+public class Main{
+    public static void drawShape(Shape s){
+        s.draw();
+    }
+    public static void main(String[] args){
+        Shape shape = new Rectangle();
+        drawShape(shape);
+        Shape shape2 = new Circle();
+        drawShape(shape2);
+    }
+}
\ No newline at end of file