[Solved] Find the problem in this code:using var writer = new StreamWriter("output.txt"); writer.WriteLine("Test"); // Missing closing brace or block | C Sharp (C#)

C Sharp (C#) - File IO

Find the problem in this code:

using var writer = new StreamWriter("output.txt");
writer.WriteLine("Test");
// Missing closing brace or block

ANo problem; using var disposes automatically at scope end.

BMissing braces cause compilation error.

CStreamWriter must be disposed manually.

DWriteLine cannot be called outside using block.

Step-by-Step Solution

Solution:

Step 1: Understand using var syntax
Using var declares a disposable variable disposed at the end of the scope automatically.
Step 2: Check if braces are mandatory
Braces are optional with using var; no compilation error occurs.
Final Answer:
No problem; using var disposes automatically at scope end. -> Option A
Quick Check:
using var = automatic disposal without braces [OK]

Quick Trick: using var disposes at scope end without braces [OK]

Common Mistakes:

MISTAKES

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