[Solved] What will be the output of this code?try { throw new InvalidOperationException("Invalid operation"); } catch (InvalidOperationException ex) when (ex.Message.Contains("Invalid")) { Console.... | C Sharp (C#)

C Sharp (C#) - Exception Handling

What will be the output of this code?

try {
    throw new InvalidOperationException("Invalid operation");
} catch (InvalidOperationException ex) when (ex.Message.Contains("Invalid")) {
    Console.WriteLine("Caught invalid operation");
} catch (Exception) {
    Console.WriteLine("Caught general exception");
}

ACaught general exception

BCaught invalid operation

CNo output

DRuntime error

Step-by-Step Solution

Solution:

Step 1: Identify the thrown exception and matching catch
The code throws InvalidOperationException with message containing "Invalid".
Step 2: Check the when condition in the first catch
The first catch has a when clause checking if message contains "Invalid" which is true, so it runs.
Final Answer:
Caught invalid operation -> Option B
Quick Check:
when condition true runs first catch [OK]

Quick Trick: Check exception type and when condition carefully [OK]

Common Mistakes:

MISTAKES

Ignoring the when condition and picking second catch
Assuming no output if when is used
Confusing exception types

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What will be the output of this code?

Step 1: Identify the thrown exception and matching catch

Step 2: Check the when condition in the first catch

Final Answer:

Quick Check:

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