[Solved] Identify the error in this code snippet:object obj = "hello"; if (obj is int number) { Console.WriteLine(number); } | C Sharp (C#)

C Sharp (C#) - Polymorphism and Abstract Classes

Identify the error in this code snippet:

object obj = "hello";
if (obj is int number)
{
    Console.WriteLine(number);
}

ANo error, code runs and prints number

BRuntime exception thrown

CSyntax error in the if statement

DThe variable 'number' is not assigned because obj is not int

Step-by-Step Solution

Solution:

Step 1: Analyze the type check
obj is a string, so obj is int number is false and number is not assigned.
Step 2: Understand the effect on code execution
The if block is skipped, so nothing prints. No error or exception occurs.
Final Answer:
The variable 'number' is not assigned because obj is not int -> Option D
Quick Check:
Type check false means variable not assigned [OK]

Quick Trick: If type check fails, variable is not assigned [OK]

Common Mistakes:

MISTAKES

Master "Polymorphism and Abstract Classes" in C Sharp (C#)

9 interactive learning modes - each teaches the same concept differently

More C Sharp (C#) Quizzes

Identify the error in this code snippet: