What will be the output of the following C# code snippet?
class UnsafeCode
{
static void Main()
{
int? count = null;
int? result = null;
int incr = 10;
result = count + incr;
if (result.HasValue)
Console.WriteLine("result has this value: " + result.Value);
else
Console.WriteLine("result has no value");
Console.ReadLine();
}
}
class UnsafeCode
{
static void Main()
{
int? count = null;
int? result = null;
int incr = 10;
result = count + incr;
if (result.HasValue)
Console.WriteLine("result has this value: " + result.Value);
else
Console.WriteLine("result has no value");
Console.ReadLine();
}
}A. Run time error
B. 0
C. Result has no value
D. Compile time error
Answer: Option C
This Question Belongs to C Sharp Programming >> Miscellaneous In C Sharp
What is the purpose of the "using" keyword in C#?
A. To define namespaces
B. To declare variables
C. To import external libraries
D. To create instances of classes
What does the "break" keyword do in a switch statement?
A. Exits the switch statement
B. Skips the current iteration
C. Continues to the next iteration
D. Throws an exception
Which of the following is NOT a valid C# access modifier?
A. public
B. internal
C. protected
D. private
What is the purpose of the "readonly" keyword in C#?
A. To declare a constant
B. To prevent a variable from changing
C. To allow a variable to be changed
D. To declare a static variable
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