What is the output of the following program? class Program { static void Main() { int? number = null; Console.WriteLine(number.ToString()); } }

What does the following statement do: delegate double Doubler(double x); ?

Byte b1 = 254; Byte b2 = 1; Byte b3 = b1 + b2; Console.WriteLine(b3);

int keyword is representing which .Net type?

What is Assembly?

A class that cannot be inherited is what type of class?

Consider the following statements and pick the most appropriate option: Statement 1: Value type variables store their data on the heap. Statement 2: Reference type variables store their data on the stack.

What is the purpose of ?? (Two question mark) in C#? Example : Class object ??= new Class();

What does the following function signature denote? public static intCharLength(this string inputStr)

What is the output of the following code snippet? public class MyClass { public int X { get; set; } } public struct MyStruct { public int X { get; set; } } class Program { static void Main(string[] args) { MyClass classObj1 = new MyClass(); classObj1.X=12; MyClass classObj2 = classObj1; classObj2.X = 15; Console.WriteLine(classObj1.X); Console.WriteLine(classObj2.X); MyStruct structObj1 = new MyStruct(); structObj1.X = 12; MyStruct structObj2 = structObj1; structObj2.X=15; Console.WriteLine(structObj1.X); Console.WriteLine(structObj2.X); Console.ReadLine(); } }

What will be the value of the result variable after these two statements? int num1 = 10, num2 = 9; int result = num1 & num2;