From bc194483d4a85413cf990cfd6113213f3f30ea33 Mon Sep 17 00:00:00 2001
From: Zhengjie <2044415419@qq.com>
Date: Tue, 14 Apr 2026 23:56:57 +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'w6'?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 w6/Animal.java    |  3 +++
 w6/Cat.java       |  6 ++++++
 w6/Dog.java       | 11 +++++++++++
 w6/Main.java      | 20 ++++++++++++++++++++
 w6/Swimmable.java |  3 +++
 5 files changed, 43 insertions(+)
 create mode 100644 w6/Animal.java
 create mode 100644 w6/Cat.java
 create mode 100644 w6/Dog.java
 create mode 100644 w6/Main.java
 create mode 100644 w6/Swimmable.java

diff --git a/w6/Animal.java b/w6/Animal.java
new file mode 100644
index 0000000..68bf39c
--- /dev/null
+++ b/w6/Animal.java
@@ -0,0 +1,3 @@
+public abstract class Animal {
+    public abstract void makeSound ();
+}
diff --git a/w6/Cat.java b/w6/Cat.java
new file mode 100644
index 0000000..b819b24
--- /dev/null
+++ b/w6/Cat.java
@@ -0,0 +1,6 @@
+public class Cat extends Animal{
+    @Override
+    public void makeSound() {
+        System.out.println("猫：喵喵喵");
+    }
+}
diff --git a/w6/Dog.java b/w6/Dog.java
new file mode 100644
index 0000000..90455cf
--- /dev/null
+++ b/w6/Dog.java
@@ -0,0 +1,11 @@
+public class Dog extends Animal implements Swimmable{
+    @Override
+    public void makeSound() {
+        System.out.println("狗：汪汪汪");
+    }
+
+    @Override
+    public void swim() {
+        System.out.println("狗会游泳");
+    }
+}
diff --git a/w6/Main.java b/w6/Main.java
new file mode 100644
index 0000000..176ce14
--- /dev/null
+++ b/w6/Main.java
@@ -0,0 +1,20 @@
+public class Main {
+    public static void main(String[] args){
+        Animal dog = new Dog();
+        Animal cat = new Cat();
+
+        System.out.println("动物叫声");
+        dog.makeSound();
+        cat.makeSound();
+
+        System.out.println("是否会游泳");
+        if (dog instanceof Swimmable){
+            ((Swimmable) dog).swim();
+        }
+        if (cat instanceof Swimmable){
+            ((Swimmable) cat).swim();
+        } else {
+            System.out.println("猫不会游泳");
+        }
+    }
+}
diff --git a/w6/Swimmable.java b/w6/Swimmable.java
new file mode 100644
index 0000000..d3b896f
--- /dev/null
+++ b/w6/Swimmable.java
@@ -0,0 +1,3 @@
+public interface Swimmable {
+    void swim();
+}