[Solved] What is the output of this code?string s = "hello world"; int pos = s.IndexOf("world"); string part = s.Substring(pos, 5); Console.WriteLine(part); | C Sharp (C#)

C Sharp (C#) - Strings and StringBuilder

What is the output of this code?

string s = "hello world";
int pos = s.IndexOf("world");
string part = s.Substring(pos, 5);
Console.WriteLine(part);

Ahello

Bworldd

Cworld

Derror

Step-by-Step Solution

Solution:

Step 1: Find index of "world" in string
"world" starts at index 6 in "hello world".
Step 2: Extract substring from index 6 with length 5
Substring(6, 5) extracts "world" exactly.
Final Answer:
world -> Option C
Quick Check:
IndexOf + Substring extracts "world" [OK]

Quick Trick: IndexOf finds start, Substring extracts exact length [OK]

Common Mistakes:

MISTAKES

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