[Solved] What will be the output of this code?using (var sw = new System.IO.StringWriter()) { sw.Write("Hello"); Console.WriteLine(sw.ToString()); } | C Sharp (C#)

C Sharp (C#) - Exception Handling

What will be the output of this code?

using (var sw = new System.IO.StringWriter()) {
    sw.Write("Hello");
    Console.WriteLine(sw.ToString());
}

AHello

BEmpty line

CCompilation error

DRuntime exception

Step-by-Step Solution

Solution:

Step 1: Understand StringWriter behavior inside using
The StringWriter writes "Hello" to its buffer, and ToString returns that content.
Step 2: Check output before disposal
Console.WriteLine prints the buffer content "Hello" before the using block ends and disposes the resource.
Final Answer:
Hello -> Option A
Quick Check:
using writes output before dispose = A [OK]

Quick Trick: Output appears before resource disposal inside using [OK]

Common Mistakes:

MISTAKES

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