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Update Java面向对象.md #1

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2 changes: 1 addition & 1 deletion notes/01-java-base/Java面向对象.md
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Expand Up @@ -1590,7 +1590,7 @@
- 注意：原来是什么子类，向下转为该子类没有问题；原来是Dog转成Cat就有问题。
- 代码示例：
```java
class Animail{
class Animal{
public void eat(){
syso("吃东西");
}
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