From 941d05d386e7c57c0ff86817677b2991b284c0b2 Mon Sep 17 00:00:00 2001
From: YanJingting <2970785624@qq.com>
Date: Mon, 20 Apr 2026 14:29:01 +0800
Subject: [PATCH] =?UTF-8?q?=E7=AC=AC=E5=85=AD=E5=91=A8=E8=AF=BE=E5=A0=82?=
 =?UTF-8?q?=E7=BB=83=E4=B9=A0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 main/w6/Animal.class    | Bin 0 -> 207 bytes
 main/w6/Animals.class   | Bin 0 -> 721 bytes
 main/w6/Animals.java    |  56 ++++++++++++++++++++++++++++++++++++++++
 main/w6/Cat.class       | Bin 0 -> 396 bytes
 main/w6/Dog.class       | Bin 0 -> 492 bytes
 main/w6/Swimmable.class | Bin 0 -> 118 bytes
 6 files changed, 56 insertions(+)
 create mode 100644 main/w6/Animal.class
 create mode 100644 main/w6/Animals.class
 create mode 100644 main/w6/Animals.java
 create mode 100644 main/w6/Cat.class
 create mode 100644 main/w6/Dog.class
 create mode 100644 main/w6/Swimmable.class

diff --git a/main/w6/Animal.class b/main/w6/Animal.class
new file mode 100644
index 0000000000000000000000000000000000000000..29d7528e1ec71232545e0a36ddffe9c8e070fa70
GIT binary patch
literal 207
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V(1QVA;cUmeDhNHsmJMu={tuW>B`^R0

literal 0
HcmV?d00001

diff --git a/main/w6/Animals.class b/main/w6/Animals.class
new file mode 100644
index 0000000000000000000000000000000000000000..4905c7dd87ef58216d626320d10255e052b54460
GIT binary patch
literal 721
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literal 0
HcmV?d00001

diff --git a/main/w6/Animals.java b/main/w6/Animals.java
new file mode 100644
index 0000000..d34655d
--- /dev/null
+++ b/main/w6/Animals.java
@@ -0,0 +1,56 @@
+// 抽象类Animal
+abstract class Animal {
+    // 抽象方法makesound()
+    public abstract void makesound();
+}
+
+// 接口Swimmable
+interface Swimmable {
+    // 方法swim()
+    void swim();
+}
+
+// Dog类继承Animal并实现Swimmable接口
+class Dog extends Animal implements Swimmable {
+    @Override
+    public void makesound() {
+        System.out.println("Dog barks: Woof! Woof!");
+    }
+    
+    @Override
+    public void swim() {
+        System.out.println("Dog is swimming");
+    }
+}
+
+// Cat类继承Animal
+class Cat extends Animal {
+    @Override
+    public void makesound() {
+        System.out.println("Cat meows: Meow! Meow!");
+    }
+}
+
+public class Animals {
+    public static void main(String[] args) {
+        // 多态测试
+        Animal animal1 = new Dog();
+        Animal animal2 = new Cat();
+        
+        System.out.println("Testing polymorphism:");
+        animal1.makesound();
+        animal2.makesound();
+        
+        // 测试Dog的swim方法
+        System.out.println("\nTesting swim method:");
+        if (animal1 instanceof Swimmable) {
+            ((Swimmable) animal1).swim();
+        }
+        
+        if (animal2 instanceof Swimmable) {
+            ((Swimmable) animal2).swim();
+        } else {
+            System.out.println("Cat cannot swim");
+        }
+    }
+}
\ No newline at end of file
diff --git a/main/w6/Cat.class b/main/w6/Cat.class
new file mode 100644
index 0000000000000000000000000000000000000000..0cf1edae39a908da999edc36ae189b939c05cb93
GIT binary patch
literal 396
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literal 0
HcmV?d00001

diff --git a/main/w6/Dog.class b/main/w6/Dog.class
new file mode 100644
index 0000000000000000000000000000000000000000..a93f27497c8038cc44aa1120415ab1a25cd2c58f
GIT binary patch
literal 492
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literal 0
HcmV?d00001

diff --git a/main/w6/Swimmable.class b/main/w6/Swimmable.class
new file mode 100644
index 0000000000000000000000000000000000000000..7dfcfd4507a79f15e79cef2c93ebb6e979b1596e
GIT binary patch
literal 118
zcmX^0Z`VEs1_oCKPId++Mh4E{^32@a#H5^5b_Nzk27#=^vPAuy#JqHU|D>$c<Pt^(
zmSUg^Mh0dL%`ip=uHgLAqU2P!%$!t41|G+}%-qDBVm**1HU<WuBB04Y8fXwJ15f}c
K!VV;v7&rj`<`|Oz

literal 0
HcmV?d00001