That's because Optional.of(null) == Optional.empty() Optional.empty() is boxed n... | Hacker News

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		vanjajaja1 on March 13, 2023 \| parent \| context \| favorite \| on: Overhead of Returning Optional Values in Java and ... That's because Optional.of(null) == Optional.empty() Optional.empty() is boxed null

conro1108 on March 14, 2023 [–]

Optional.of(null) throws a NullPointerException ;)

Optional.ofNullable(null) == Optional.empty()

vanjajaja1 on March 14, 2023 | [–]

I'm trying to say that .of(null) and .empty() semantically the same, which is why it throws NPE to force explicit empty. ofNullable is a whole other kettle of fish.

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