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Update java11.md for isEmpty() method. #2016

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Snailclimb merged 1 commit into from
May 16, 2023
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Update java11.md for isEmpty() method. #2016

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2 changes: 1 addition & 1 deletion docs/java/new-features/java11.md
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Expand Up @@ -63,7 +63,7 @@ Java 11 增加了一系列的字符串处理方法：

## Optional 增强

新增了`empty()`方法来判断指定的 `Optional` 对象是否为空。
新增了`isEmpty()`方法来判断指定的 `Optional` 对象是否为空。

```java
var op = Optional.empty();
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