Ptt 大爆卦 | Java Optional - 前往 https://guava.dev/releases/19.0/api/docs/com/google/common/base/Optional.html

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Optional (Guava: Google Core Libraries for Java 19.0 API)

Comparison to java.util.Optional (JDK 8 and higher): A new Optional class was added for Java 8. The two classes are extremely similar, but incompatible ...

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