[Solved] What is wrong with the following C# code snippet?try { // some code } catch (Exception ex) { // handle exception } catch (NullReferenceException ex) { // handle null reference } | C Sharp (C#)

C Sharp (C#) - Exception Handling

What is wrong with the following C# code snippet?

try {
  // some code
} catch (Exception ex) {
  // handle exception
} catch (NullReferenceException ex) {
  // handle null reference
}

AThe catch blocks are missing a finally block.

BThe catch blocks are in the wrong order; specific exceptions must come before general ones.

CThe catch blocks should not have exception variable names.

DThere is no error; the code is correct.

Step-by-Step Solution

Solution:

Step 1: Review catch block order
Specific exceptions like NullReferenceException must be caught before general Exception.
Step 2: Identify error
Here, Exception is caught first, so NullReferenceException catch is unreachable.
Final Answer:
The catch blocks are in the wrong order; specific exceptions must come before general ones. -> Option B
Quick Check:
Specific before general catch blocks [OK]

Quick Trick: Always catch specific exceptions before general ones [OK]

Common Mistakes:

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