What will be the output of the following C# code snippet?
class UnsafeCode
{
unsafe static void Main()
{
int[] nums = new int[10];
Console.WriteLine("Index pointer like array.");
fixed (int* p = nums)
{
for (int i = 0 ;i <10 ;i++)
p[i] = i;
for (int i = 10 ;i >0 ;i--)
Console.WriteLine("p[{0}]: {1} ", i, p[i]);
Console.ReadLine();
}
}
}
class UnsafeCode
{
unsafe static void Main()
{
int[] nums = new int[10];
Console.WriteLine("Index pointer like array.");
fixed (int* p = nums)
{
for (int i = 0 ;i <10 ;i++)
p[i] = i;
for (int i = 10 ;i >0 ;i--)
Console.WriteLine("p[{0}]: {1} ", i, p[i]);
Console.ReadLine();
}
}
}A. p[10] :0, p[9] :9, p[8] :8.....p[1]:1
B. p[10] : 1, p[9] :2, p[8] :3.....p[1] :0
C. p[1] : 1, p[2] :2, p[3] :3.....p[10] :0
D. Compile time error
Answer: Option A
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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