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Asked: 2026-05-19T01:04:49+00:00

I would have another question I cannot find answer on. I know that the

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I would have another question I cannot find answer on. I know that the order of catch blocks is from the most derived to the most general.
But I do not understand why I can have this (why does this order work? formatException is derived from Exception so its more general, right?)

catch(formatException)
//this is derived from Exception

catch(OutoFMemoryException) 
// this is derived from ArithmeticException whic is derived from Exception
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1 Answer

  1. Editorial Team

    Not nescessary, even though OverflowException derives from ArithmeticException their most common denominator is Exception.

    You can see it as somekind of tree structure, where FormatException and OverflowException is on different sides of the tree. If OverflowException inherited from FormatException the situation would be different, but that is not the case.

    Also, you can have them in different order but it is no point since if you have a more general exception first it will catch every exception below it as well.

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