[Solved] What will be the output of this code if "data.txt" contains the lines: "One", "Two", "Three"? var lines = File.ReadAllLines("data.txt"); Console.WriteLine(lines[1]); | C Sharp (C#)

C Sharp (C#) - File IO

What will be the output of this code if "data.txt" contains the lines: "One", "Two", "Three"?

var lines = File.ReadAllLines("data.txt");
Console.WriteLine(lines[1]);

ATwo

BOne

CThree

DIndex out of range error

Step-by-Step Solution

Solution:

Step 1: Understand ReadAllLines output
ReadAllLines returns an array where each element is a line from the file, zero-indexed.
Step 2: Identify the line at index 1
Index 0 is "One", index 1 is "Two", index 2 is "Three".
Final Answer:
Two -> Option A
Quick Check:
Array index 1 = second line = "Two" [OK]

Quick Trick: Arrays start at 0, so index 1 is second line [OK]

Common Mistakes:

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What will be the output of this code if "data.txt" contains the lines: "One", "Two", "Three"?