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Minor typo in the linked site: "JDK 20 reached General Availability on 21 March 2022" Should be 21 March 2023 Not sure who can edit that page but putting her

• spicybright 4y ago
  Just adding too, I think some of the switch statement example code is wrong: Object obj = 123L; String formatted = switch (obj) { case Integer i -> String.format("int %d", i); case Long l -> String.format("long %d", l); case Double d -> String.format("double %f", d); case String s -> String.format("String %s", s); default -> o.toString(); }; Unless I'm not understanding something, the default statement should be `obj.toString()` as `o` isn't defined.
  • mdaniel 4y ago
    JFC, I was going to say they should have used `String.valueOf(obj)` since I expected `Object obj = null; switch (obj) { default ->` to do something sane but no, the stupid PoS NPEs because `switch` itself evidently calls `Objects.requireNonNull` The Billion Dollar Mistake meets the Power of Compounding Interest to produce an inflation adjusted number that just keeps on giving
    • _old_dude_ 4y ago
      You can add a 'case null' explicitly and merge it with default using 'case null, default -> ...'. See [1] for more. [1] https://openjdk.org/jeps/433 https://openjdk.org/jeps/433
• barkingcat 4y ago
  This was fixed by Mark Reinhold