From 6214943cbcdfcaf86cdbf385771f8259d3ff430c Mon Sep 17 00:00:00 2001
From: Thea Wang <thea@TheadeMacBook-Air.local>
Date: Mon, 13 Apr 2026 17:39:04 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Animal.class    | Bin 0 -> 206 bytes
 Animal.java     |   3 +++
 Cat.class       | Bin 0 -> 375 bytes
 Cat.java        |   6 ++++++
 Dog.class       | Bin 0 -> 472 bytes
 Dog.java        |  11 +++++++++++
 Main.class      | Bin 0 -> 774 bytes
 Main.java       |  25 +++++++++++++++++++++++++
 Swimmable.class | Bin 0 -> 120 bytes
 Swimmable.java  |   3 +++
 10 files changed, 48 insertions(+)
 create mode 100644 Animal.class
 create mode 100644 Animal.java
 create mode 100644 Cat.class
 create mode 100644 Cat.java
 create mode 100644 Dog.class
 create mode 100644 Dog.java
 create mode 100644 Main.class
 create mode 100644 Main.java
 create mode 100644 Swimmable.class
 create mode 100644 Swimmable.java

diff --git a/Animal.class b/Animal.class
new file mode 100644
index 0000000000000000000000000000000000000000..b05489d14c245388ee868cbcef0faa28fc91506e
GIT binary patch
literal 206
zcmX9%yAFat5S)cW1o80$7ItbOKVVFZ(aLC{u|MEq4&g`$_+M5g7Jh&qW!#Hf%*@Va
zXFlK88^9KW5Dr`)B7%nwVU)|ej0<V5@iEC&+7LQRZFI9DxYOCiN0*(o(WNX1VpC;`
zFx+dS4sDsJ`Ye-zouHIAb*fsE5klrVRXc4Dz5naN)`$swZnxurY(Hbb+nAY{z4;UL
TV8J1b_RLyv3Tx{|j1KxgM<OJh

literal 0
HcmV?d00001

diff --git a/Animal.java b/Animal.java
new file mode 100644
index 0000000..b07d6fa
--- /dev/null
+++ b/Animal.java
@@ -0,0 +1,3 @@
+public abstract class Animal {
+    public abstract void makeSound();
+}
\ No newline at end of file
diff --git a/Cat.class b/Cat.class
new file mode 100644
index 0000000000000000000000000000000000000000..6035d143b0ca86bf7f1399adc04a5f34b45fd6f8
GIT binary patch
literal 375
zcmZut%T5A85UhrMy9$E%_Q1geJh&f#F)>6>XiU~{A7nyCcW22utMRk+pos@Rz>hNa
zK%y7t&|TAA)iu*!-yfd<&aoe%hPn?Yh6|72ooSVejKPW0%A6AFz5X~vfY3)2V+Apx
zc_$u4k_kOa(&q;wb7mElA#_HIjw+JtQfZT#Qi^;KV2$8j%HpXTp^0@Ltr%@=5ZeFH
z3I5!QGtKjQ%YjQP!{ynaKlZW7hC{)I&ajwDLSv+~ysGkvEN{dl<4Tx|dzluMo)RL?
z<*mF>wh^%I*xI6t4*%Vr8u)$iIBxOnfHQG+kKREq3<%pCZQEkP&M)<FAqB!$_^s79
TH2&yzuYkjgb6K*>xQ4wS*8@eA

literal 0
HcmV?d00001

diff --git a/Cat.java b/Cat.java
new file mode 100644
index 0000000..5a0c4b4
--- /dev/null
+++ b/Cat.java
@@ -0,0 +1,6 @@
+public class Cat extends Animal {
+    @Override
+    public void makeSound() {
+        System.out.println("Meow!");
+    }
+}
\ No newline at end of file
diff --git a/Dog.class b/Dog.class
new file mode 100644
index 0000000000000000000000000000000000000000..9fe7a79aeaac0a689120e666e9f970d74498fd7f
GIT binary patch
literal 472
zcmZuu%TB^j5IqBw+tw-w;`;#$6L0|^fH5&XR>YXp;QAt!Tx{<(rD*&tU1;LM5AdUm
zb0NkJn|YpdW-{~r^Z5nf0u3KI<OK==925z~Q>_vib8xJ*%1#LRW~=YPg(u(#SVBN3
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z$DY_bM<1Y94hXw!ZQI7gfIsNrOak!UAS%o6DE-6j7k~nv*<s55VoGfR#eT+T$^p}J
GsQ&^huT*#d

literal 0
HcmV?d00001

diff --git a/Dog.java b/Dog.java
new file mode 100644
index 0000000..7b888d8
--- /dev/null
+++ b/Dog.java
@@ -0,0 +1,11 @@
+public class Dog extends Animal implements Swimmable {
+    @Override
+    public void makeSound() {
+        System.out.println("Woof!");
+    }
+    
+    @Override
+    public void swim() {
+        System.out.println("Dog is swimming.");
+    }
+}
\ No newline at end of file
diff --git a/Main.class b/Main.class
new file mode 100644
index 0000000000000000000000000000000000000000..c15f745cee0016cf0e2df0bb0796f4bca07d3d69
GIT binary patch
literal 774
zcmZuvU2hUW6g>l!S(Zf*+FD!CEmaEz!LOKx8l$Pz7f_RJnl$xgfRRqi?h<y<^r!d>
zeAb5&ZDRD*|D^HG+SZtKGduU=+<WHUnfvqi*KYu}@W4b2agKzA86+8U2jZP*4uv;p
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z2@%e<qeGP6d_7iP=!9b_+zkV>1Z~S8RNlZI`NJdEACLA`;I>T6;|j-ug{xR(C|r=v
zz(<;F=n+Zf?*UO4#7=x0)g2Q>lsK+gxUL&bKJ}C<h72iJ97@NZczpxQ3`^!&3Do3j
zU<dD&Yr8Vs_xml56^eJr<BIN3rcuUC3%4{~LdO}XFqF;-)LWab##VuSp3*X~Mg^X_
zJwN;hH8|?T(-DeVNNoCj$&hU;PrjVET{+&?ClcUB_<UvWq8=GCPAGbZ9WgqMH>tC6
zPd-;VIi<-P`u4Dl8a=%JVqp5|X}?WYi6kRAvo;0$L<&QLb`5Jig(mKh)S**7IV9hl
zfbUL`YM;O)X>~p$lP?@&u6B&2I{n(VwfzI-53p+AQT~D(4BEd+{(9uk*3bMOk=9U^
zAYDN$s^B3qq$gldu{oN(1=5OCj|~eI!kRRE>&W8?3V4B8I5abR6m^%fGKl}eI!BS#
MBB%22MYQ+-01%_0ZvX%Q

literal 0
HcmV?d00001

diff --git a/Main.java b/Main.java
new file mode 100644
index 0000000..6d6b5ca
--- /dev/null
+++ b/Main.java
@@ -0,0 +1,25 @@
+public class Main {
+    public static void main(String[] args) {
+        // 测试多态
+        Animal animal1 = new Dog();
+        Animal animal2 = new Cat();
+        
+        System.out.println("Testing polymorphism:");
+        animal1.makeSound(); // 应该输出 Woof!
+        animal2.makeSound(); // 应该输出 Meow!
+        
+        // 测试 Dog 的 swim 方法
+        System.out.println("\nTesting Dog's swim method:");
+        if (animal1 instanceof Swimmable) {
+            ((Swimmable) animal1).swim();
+        }
+        
+        // 测试 Cat 是否实现了 Swimmable
+        System.out.println("\nTesting if Cat is Swimmable:");
+        if (animal2 instanceof Swimmable) {
+            ((Swimmable) animal2).swim();
+        } else {
+            System.out.println("Cat is not Swimmable.");
+        }
+    }
+}
\ No newline at end of file
diff --git a/Swimmable.class b/Swimmable.class
new file mode 100644
index 0000000000000000000000000000000000000000..56507729f3da7ea2cb9d3c0e836ebda27478beff
GIT binary patch
literal 120
zcmX^0Z`VEs1_oCKPId++Mh4E{^32@a#H5^5b_Nzk27#=^vPAuy#JqHU|D>$c<Pt^(
zmSUg^Mh0dL%`ip=uHgLAqU2P!%$!t420pl6J&-mwMh2iVpxF!zj6kDU8Q4H926iCH
H#J~XnO|Thq

literal 0
HcmV?d00001

diff --git a/Swimmable.java b/Swimmable.java
new file mode 100644
index 0000000..b7a501e
--- /dev/null
+++ b/Swimmable.java
@@ -0,0 +1,3 @@
+public interface Swimmable {
+    void swim();
+}
\ No newline at end of file