[Solved] What will the following code output if the file "log.txt" does not exist?string content = File.ReadAllText("log.txt"); Console.WriteLine(content); | C Sharp (C#)

C Sharp (C#) - File IO

What will the following code output if the file "log.txt" does not exist?

string content = File.ReadAllText("log.txt");
Console.WriteLine(content);

AEmpty string

BThrows FileNotFoundException

Cnull

DOutputs "log.txt"

Step-by-Step Solution

Solution:

Step 1: Understand behavior of ReadAllText on missing file
File.ReadAllText throws FileNotFoundException if file is missing.
Step 2: Confirm no default return value
It does not return empty string or null; it throws an exception.
Final Answer:
Throws FileNotFoundException -> Option B
Quick Check:
Missing file read = Exception thrown [OK]

Quick Trick: ReadAllText throws if file missing, handle exceptions [OK]

Common Mistakes:

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What will the following code output if the file "log.txt" does not exist?