C Sharp (C#) - Strings and StringBuilder
What is the output of this C# code?
string s = "Hi";
s += 5;
Console.WriteLine(s);
What is the output of this C# code?
medium📝 Predict Output Q4 of 15
Step-by-Step Solution
Solution:
Step 1: Understand += operator with string and int
The += operator concatenates the string with the string representation of the integer 5.Step 2: Result of concatenation
The string "Hi" becomes "Hi5" after concatenation.Final Answer:
Hi5 -> Option CQuick Check:
String += int converts int to string and concatenates [OK]
Quick Trick: += concatenates strings and converts numbers automatically [OK]
Common Mistakes:
MISTAKES- Expecting numeric addition
- Thinking it prints original string only
- Assuming compile error
Master "Strings and StringBuilder" in C Sharp (C#)
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