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docs/java/new-features/java11.md
@@ -63,7 +63,7 @@ Java 11 增加了一系列的字符串处理方法:
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## Optional 增强
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-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。
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```java
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var op = Optional.empty();
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