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Asked: 2026-06-04T15:30:45+00:00

Is there a way to tell the Java compiler to not complain about a

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Is there a way to tell the Java compiler to not complain about a certain exception not being caught or thrown if I am 100% sure that the exception will never occur?

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  1. Editorial Team

    Assuming you mean checked exceptions, you can’t. Typically I would catch the exception, but propagate it into a RuntimeException, e.g.

    try {
   // Do something which could, but won't, throw SomeCheckedException
} catch (SomeCheckedException e) {
   throw new WorldHasGoneMadException(e);
}

    You may very well want to create a specific exception for exactly this kind of scenario – while I wouldn’t suggest WorldHasGoneMadException for the real name, something similar would be appropriate. This isn’t just “something unexpected has happened” but “wow, I would have bet good money that this really, really couldn’t happen”.

    Oh, and of course your unit tests won’t cover this case. Live with it 🙂

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