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Pretty much every JSON parser in java does this by default. Why? Because they were all written before Optional existed. I have to agree with the Optional hate

Pretty much every JSON parser in java does this by default. Why? Because they were all written before Optional existed. I have to agree with the Optional hate. I loved it in Scala but after a few months on Kotlin I don't think I can go back.

krzyk 4y ago
Jackson does it well. Any sane json library has to support newer Java idioms, if not it is not worth using.