[Solved] Why does C# require that catch blocks be ordered from most specific to most general exceptions? - Ans: Because the compiler enforces this to avoid unreachable catch blocks. | C Sharp (C#)

C Sharp (C#) - Exception Handling

Why does C# require that catch blocks be ordered from most specific to most general exceptions?

ATo optimize runtime performance by sorting exceptions.

BTo ensure finally block runs before catch blocks.

CBecause the compiler enforces this to avoid unreachable catch blocks.

DTo allow multiple catch blocks to run for one exception.

Step-by-Step Solution

Solution:

Step 1: Understand compiler checks on catch order
C# compiler checks catch blocks order to prevent unreachable code caused by general exceptions catching first.
Step 2: Reason why unreachable catch blocks are disallowed
If a general exception is caught first, specific catch blocks after it can never run, so compiler enforces order.
Final Answer:
Because the compiler enforces this to avoid unreachable catch blocks. -> Option C
Quick Check:
Compiler enforces catch order to prevent unreachable code [OK]

Quick Trick: Compiler disallows unreachable catch blocks by enforcing order [OK]

Common Mistakes:

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