I’m sorry for somewhat misleading click-bait title. I failed to give this story a better title. Javas handling of null in its type-system is a mistake. It was said countless times before by many people, but I am still amazed by the sheer number of people who, in the year 2019 (even C# had accepted the truth!), defend the way Java handles null, so I felt obliged to write about that. Unfortunately, there is little chance for a change in Java itself anytime soon, so the only advise I can give is to move to Kotlin. There is (virtually) nothing to loose, but a lot to gain.

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Project Lead for the Kotlin Programming Language @JetBrains

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