[Week3][Chap11] 다형성 활용3 (#27)

LegendStudy · Feb 1, 2024 · a8ae3fc · a8ae3fc
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diff --git a/김아린/java-basic/src/poly/ex2/AnimalPolyMain1.java b/김아린/java-basic/src/poly/ex2/AnimalPolyMain1.java
@@ -2,17 +2,17 @@
 
 public class AnimalPolyMain1 {
     public static void main(String[] args) {
-        Animal dog = new Dog();
-        Cat cat = new Cat();
-        Animal caw = new Caw();
-        Duck duck = new Duck();
+        Animal a = new Animal();
+        a.sound();
 
-        soundAnimal(dog);
-        soundAnimal(cat);
-        soundAnimal(caw);
-        soundAnimal(duck);
+        Animal[] animalArr = {new Dog(), new Cat(), new Caw(), new Pig()};
+
+        for (Animal animal: animalArr) {
+            soundAnimal(animal);
+        }
     }
 
+    // 변하지 않는 부분
     private static void soundAnimal(Animal animal) {
         System.out.println("동물 소리 테스트 시작");
         animal.sound();

diff --git a/김아린/java-basic/src/poly/ex2/Pig.java b/김아린/java-basic/src/poly/ex2/Pig.java
@@ -0,0 +1,5 @@
+package poly.ex2;
+
+public class Pig extends Animal {
+    // Todo sound 해야하는데..
+}