From 00b8feb0222702e6176f7409c3a433eb57df2ebd Mon Sep 17 00:00:00 2001
From: yuangandong <1975775515@qq.com>
Date: Mon, 25 May 2026 10:52:34 +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

---
 w6/1 |  3 +++
 w6/2 |  6 ++++++
 w6/3 | 11 +++++++++++
 w6/4 | 20 ++++++++++++++++++++
 w6/5 |  3 +++
 5 files changed, 43 insertions(+)
 create mode 100644 w6/1
 create mode 100644 w6/2
 create mode 100644 w6/3
 create mode 100644 w6/4
 create mode 100644 w6/5

diff --git a/w6/1 b/w6/1
new file mode 100644
index 0000000..10202e1
--- /dev/null
+++ b/w6/1
@@ -0,0 +1,3 @@
+public abstract class Animal {
+    public abstract void makeSound ();
+}
\ No newline at end of file
diff --git a/w6/2 b/w6/2
new file mode 100644
index 0000000..9fe80ab
--- /dev/null
+++ b/w6/2
@@ -0,0 +1,6 @@
+public class Cat extends Animal{
+    @Override
+    public void makeSound() {
+        System.out.println("猫：喵喵喵");
+    }
+}
\ No newline at end of file
diff --git a/w6/3 b/w6/3
new file mode 100644
index 0000000..af8b7b6
--- /dev/null
+++ b/w6/3
@@ -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");
+    }
+}
\ No newline at end of file
diff --git a/w6/4 b/w6/4
new file mode 100644
index 0000000..ad7f4a0
--- /dev/null
+++ b/w6/4
@@ -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");
+        }
+    }
+}
\ No newline at end of file
diff --git a/w6/5 b/w6/5
new file mode 100644
index 0000000..26c5a27
--- /dev/null
+++ b/w6/5
@@ -0,0 +1,3 @@
+public interface Swimmable {
+    void swim();
+}
\ No newline at end of file