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2 changes: 1 addition & 1 deletion docs/book/22-Enumerations.md
Original file line number Diff line number Diff line change
Expand Up @@ -348,7 +348,7 @@ final class Explore extends java.lang.Enum<Explore> {

由于擦除效应(在[泛型 ]() 章节中介绍过),反编译无法得到 Enum 的完整信息,所以它展示的 Explore 的父类只是一个原始的 Enum,而非事实上的 Enum\<Explore\>

由于 values() 方法是由编译器插入到 enum 定义中的 static 方法,所以,如果你将 enum 实例向上转型为 Enum,那么 values() 方法就不可访问了。不过,在 Class 中有一个 getEnumConstants0 方法,所以即便 Enum 接口中没有 values0 方法,我们仍然可以通过 Class 对象取得所有 enum 实例。
由于 values() 方法是由编译器插入到 enum 定义中的 static 方法,所以,如果你将 enum 实例向上转型为 Enum,那么 values() 方法就不可访问了。不过,在 Class 中有一个 getEnumConstants() 方法,所以即便 Enum 接口中没有 values() 方法,我们仍然可以通过 Class 对象取得所有 enum 实例。

```java
// enums/UpcastEnum.java
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