[Solved] How can you write a list of strings to a file, each on its own line, using File.WriteAllText? - Ans: Join the list with newline characters and write once | C Sharp (C#)

C Sharp (C#) - File IO

How can you write a list of strings to a file, each on its own line, using File.WriteAllText?

AJoin the list with newline characters and write once

BCall WriteAllText for each string in a loop

CUse WriteAllText with the list directly

DConvert list to JSON and write to file

Step-by-Step Solution

Solution:

Step 1: Understand WriteAllText expects a single string
You must convert the list to one string with newlines.
Step 2: Use string.Join to combine list with newlines
Joining with "\n" creates a single string with lines separated.
Final Answer:
Join list with newlines and write once. -> Option A
Quick Check:
Join list before writing = Join the list with newline characters and write once [OK]

Quick Trick: Use string.Join("\n", list) before WriteAllText [OK]

Common Mistakes:

MISTAKES

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