From c4e6281ef6cbf65d984100024224a1c9cdf853d2 Mon Sep 17 00:00:00 2001
From: HuangZhikai <386754646@qq.com>
Date: Wed, 8 Apr 2026 17:42:14 +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
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 w5/Retangle.java | 7 +++++++
 w5/Shape.java    | 4 ++++
 w5/Truck.java    | 9 +++++++++
 w5/Vehicle.java  | 4 ++++
 4 files changed, 24 insertions(+)
 create mode 100644 w5/Retangle.java
 create mode 100644 w5/Shape.java
 create mode 100644 w5/Truck.java
 create mode 100644 w5/Vehicle.java

diff --git a/w5/Retangle.java b/w5/Retangle.java
new file mode 100644
index 0000000..8bf062c
--- /dev/null
+++ b/w5/Retangle.java
@@ -0,0 +1,7 @@
+public class Retangle extends Shape{
+    @Override
+    protected void draw(){
+        System.out.println("Retangle is drawn.");
+    }
+    
+}
diff --git a/w5/Shape.java b/w5/Shape.java
new file mode 100644
index 0000000..6ca2e0b
--- /dev/null
+++ b/w5/Shape.java
@@ -0,0 +1,4 @@
+abstract class Shape{
+    Shape shape;
+    abstract void draw();
+}
\ No newline at end of file
diff --git a/w5/Truck.java b/w5/Truck.java
new file mode 100644
index 0000000..0782062
--- /dev/null
+++ b/w5/Truck.java
@@ -0,0 +1,9 @@
+public class Truck extends Vehicle{
+    protected Truck(String name){
+        this.s=name;
+    }
+    @Override
+    public void run(){
+        System.out.println(s+" is running");
+    }
+}
diff --git a/w5/Vehicle.java b/w5/Vehicle.java
new file mode 100644
index 0000000..0dfabc4
--- /dev/null
+++ b/w5/Vehicle.java
@@ -0,0 +1,4 @@
+abstract class Vehicle {
+    String s;
+    abstract void run();
+}