回答編集履歴
2
修正
answer
CHANGED
|
@@ -1,6 +1,6 @@
|
|
|
1
1
|
```C#
|
|
2
2
|
Cat cat = new Cat();
|
|
3
|
-
Animal animal = cat as
|
|
3
|
+
Animal animal = cat as Animal;
|
|
4
4
|
animal.Voice();
|
|
5
5
|
```
|
|
6
6
|
|
1
キャストに変更
answer
CHANGED
|
@@ -1,5 +1,6 @@
|
|
|
1
1
|
```C#
|
|
2
|
+
Cat cat = new Cat();
|
|
2
|
-
Animal animal =
|
|
3
|
+
Animal animal = cat as Cat;
|
|
3
4
|
animal.Voice();
|
|
4
5
|
```
|
|
5
6
|
|