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Identify the error in this code snippet:

medium📝 Debug Q14 of 15
C Sharp (C#) - Exception Handling
Identify the error in this code snippet:
using (var stream = new FileStream("data.txt", FileMode.Open))
stream.ReadByte();
Console.WriteLine("Read complete");
AReadByte() is not a valid method
BMissing braces {} around the using block
CFileStream does not implement IDisposable
DConsole.WriteLine should be inside the using block
Step-by-Step Solution
Solution:
  1. Step 1: Check using block syntax

    The using statement requires braces {} if the block contains more than one statement or to clearly define the scope.
  2. Step 2: Analyze the code structure

    Here, the using statement lacks braces, so only the next statement is inside the block. The Console.WriteLine is outside but indentation suggests otherwise. This is a syntax error or at least a logic error.
  3. Final Answer:

    Missing braces {} around the using block -> Option B
  4. Quick Check:

    Using needs braces for multiple statements [OK]
Quick Trick: Always use braces {} with using for multiple statements [OK]
Common Mistakes:
MISTAKES
  • Assuming using works without braces for multiple lines
  • Thinking FileStream is not IDisposable
  • Confusing method names

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