Which of the following is the correct syntax to catch a specific exception type ArgumentNullException in C#?

easy📝 Syntax Q12 of 15

C Sharp (C#) - Exception Handling

Which of the following is the correct syntax to catch a specific exception type ArgumentNullException in C#?

Acatch (ArgumentNullException e) { }

Bcatch ArgumentNullException (e) { }

Ccatch (Exception e) { }

Dcatch ArgumentNullException { }

Step-by-Step Solution

Solution:

Step 1: Recall catch block syntax
In C#, to catch a specific exception, use catch (ExceptionType variable) syntax.
Step 2: Match the correct syntax for ArgumentNullException
The correct syntax is catch (ArgumentNullException e) { }, which declares the exception type and variable.
Final Answer:
catch (ArgumentNullException e) { } -> Option A
Quick Check:
Correct catch syntax = catch (ExceptionType e) [OK]

Quick Trick: Use parentheses around exception type and variable in catch [OK]

Common Mistakes:

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