From f6ad99922a35b9f65b2a824ff5b6d35fa15c4fde Mon Sep 17 00:00:00 2001
From: myhomework <test@test.com>
Date: Mon, 13 Apr 2026 16:11:38 +0800
Subject: [PATCH] =?UTF-8?q?=E6=96=B0=E5=A2=9E=E6=96=87=E4=BB=B6=E6=8E=A8?=
 =?UTF-8?q?=E9=80=81?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 w6/Animal.class    | Bin 0 -> 206 bytes
 w6/Animal.java     |   3 +++
 w6/Cat.class       | Bin 0 -> 375 bytes
 w6/Cat.java        |   6 ++++++
 w6/Dog.class       | Bin 0 -> 471 bytes
 w6/Dog.java        |  11 +++++++++++
 w6/Main.class      | Bin 0 -> 539 bytes
 w6/Main.java       |  14 ++++++++++++++
 w6/Swimmable.class | Bin 0 -> 120 bytes
 w6/Swimmable.java  |   3 +++
 10 files changed, 37 insertions(+)
 create mode 100644 w6/Animal.class
 create mode 100644 w6/Animal.java
 create mode 100644 w6/Cat.class
 create mode 100644 w6/Cat.java
 create mode 100644 w6/Dog.class
 create mode 100644 w6/Dog.java
 create mode 100644 w6/Main.class
 create mode 100644 w6/Main.java
 create mode 100644 w6/Swimmable.class
 create mode 100644 w6/Swimmable.java

diff --git a/w6/Animal.class b/w6/Animal.class
new file mode 100644
index 0000000000000000000000000000000000000000..554a7992782ee12e3e411d687a3647a36823ff3c
GIT binary patch
literal 206
zcmX9%yAFat5S)cW1o80$7ItbOKVVFViIvepV}HQK9Kw+h@V~4~Ec^gJ%D5M|n3<i;
z&V0VFH-H4A5Dr`)B7%n=VN%Guj7w>*@i8q_))IPaZFIXKxbwxuN1vU<=t`CZv8{7O
z81J=FhptLhbCzkzPEg64I@O)Y2_bWnshzfm!T)t-Ys3sbx7%?*wx2QJZOTl{-tq~0
Tu;36zduA;-g|&4fMhC+mL<S_8

literal 0
HcmV?d00001

diff --git a/w6/Animal.java b/w6/Animal.java
new file mode 100644
index 0000000..b07d6fa
--- /dev/null
+++ b/w6/Animal.java
@@ -0,0 +1,3 @@
+public abstract class Animal {
+    public abstract void makeSound();
+}
\ No newline at end of file
diff --git a/w6/Cat.class b/w6/Cat.class
new file mode 100644
index 0000000000000000000000000000000000000000..28e8428066da5e045216e1abb0e4080464f731cc
GIT binary patch
literal 375
zcmZutO-sW-5Pj1o*(63=TkE%n9)#9|`2iK76g*WCBE4_zQdW~qiHYLR(u0Bre}F$q
zoNYlb?qTNb%zN{8=j;396TlFMA!?`#I1yZU1aD|`CQ}Ay+UW9}Q1A680el1kVT3hA
zgyx-mlyNG}JWie;N|iAyuS!B^yzJ;azAm&Wld@1U8~E5DxR)w_>V{}yQ=k>0jV(g^
zA38xStT;71ueTbwvMRYeAM_^z+iW<JZ0L;gnIbgC+Ni54o2ueQPE)P~nY>p?UYQvo
z<XqgU3vC-d>rSmLy6EuV?Wuv^2an?p-;OvFXZPeC^umC!%h9$iChYxEkC##)c!g-K
VzoGF*w|fN~UYyI4ea1B$`~cBIMUVgh

literal 0
HcmV?d00001

diff --git a/w6/Cat.java b/w6/Cat.java
new file mode 100644
index 0000000..5a0c4b4
--- /dev/null
+++ b/w6/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/w6/Dog.class b/w6/Dog.class
new file mode 100644
index 0000000000000000000000000000000000000000..8c15b1d44a24c2d20bc3971de5aa0d6592709e6f
GIT binary patch
literal 471
zcmZuu%TB^j5IqBw+tz9k#P<UhCg4Io0AoTlu81+I!F7=<x!T)nO40aPy3oXhAK*tB
z=R%AdHuF5^%w*>K=kp6d4^1Bh6a`8F9Fz&=UaEAQaB!khm7fxdt@gl!3s1lgu!Mk6
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FegVN|R7C&)

literal 0
HcmV?d00001

diff --git a/w6/Dog.java b/w6/Dog.java
new file mode 100644
index 0000000..4880968
--- /dev/null
+++ b/w6/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/w6/Main.class b/w6/Main.class
new file mode 100644
index 0000000000000000000000000000000000000000..c03af69c0ee448502cf557d842ce7c71b6b086e7
GIT binary patch
literal 539
zcmZvY%}x_h6vuzJbBD_eQ;UTnqoRU_fJI4IxBx>!ATG4k#TXL9>b6XpfzH&_L0^EE
zaH$*DZX`-1vgHwc5?A86b>YUFoAdEMU;lG1et$aywzwBk!87OxpE1ScfqiRN`?lz<
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zlfhB3Z<rD{d6(t6?ex<L>NFx|T#|kxs9{#Dw#^Dr+k^d7QEO#I`ur&Gq{El4MgsXL
zKC`sf`bRb?hgs3vSl(4slhSq%+xGP+-*8(o^`BJ3yl~lT{oQ3l5emg&H+_=1A%P?D
z(Di4YYjPv^Dkyg)k+FDlqLpa>{t4={7>es6UD(+HH@GR<rG7vQ4$u7Wm{!v}C3tnh
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literal 0
HcmV?d00001

diff --git a/w6/Main.java b/w6/Main.java
new file mode 100644
index 0000000..282827d
--- /dev/null
+++ b/w6/Main.java
@@ -0,0 +1,14 @@
+public class Main {
+    public static void main(String[] args) {
+        Animal[] animals = new Animal[2];
+        animals[0] = new Dog();
+        animals[1] = new Cat();
+
+        for (Animal animal : animals) {
+            animal.makeSound();
+            if (animal instanceof Swimmable) {
+                ((Swimmable) animal).swim();
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/w6/Swimmable.class b/w6/Swimmable.class
new file mode 100644
index 0000000000000000000000000000000000000000..23e4cc7c3e376d296699ffa07c4b0200b2ab8649
GIT binary patch
literal 120
zcmX^0Z`VEs1_nn4PId++Mh4E{^32@a#H5^5b_Nzk27#=^vPAuy#JqHU|D>$c<Pt^(
zmSUg^Mh0dL%`ip=uHgLAqU2P!%$!t420pl6J&-mwMh2iVpxF!zj6kDU8Q4H926iCH
H#J~XnOY9kL

literal 0
HcmV?d00001

diff --git a/w6/Swimmable.java b/w6/Swimmable.java
new file mode 100644
index 0000000..b7a501e
--- /dev/null
+++ b/w6/Swimmable.java
@@ -0,0 +1,3 @@
+public interface Swimmable {
+    void swim();
+}
\ No newline at end of file