How can you instantiate the following Abstract class "AbClass"

The yield keyword is used when creating collections for iteration.

True or False? ushort is a signed integer.

What does this program output? public class Program { struct Thing { public string Color { get; set; } } public static void Main(params string[] args) { Thing one = new Thing { Color = 'Red' }; Thing two = new Thing { Color = 'Green' }; two = one; two.Color = 'Blue'; Console.WriteLine(one.Color); } }

A difference between a struct and a class is that...

Extension methods in C#...

Which of the following is the correct way to call method Jobs() of the UpWork class given below? class UpWork { public void Jobs(inti, Single j) { Console.Writeline(UpWork); } }

What is true about a sealed class in C#?

What would be the output of following code snippet? Namespace Outer { Using System; Class Math { } } Namespace Outer.Inner { Class Foo { Public static double Bar() { Return Math.PI; } } Class program { Public static void Main() { Console.WriteLine('Value of PI is; ' + Foo.Bar() .ToString()); } } }

Which of the following is the correct way to convert a Byte Array to a Hexadecimal String, and vice versa?

Consider the following code: class Program { static void Main(string[] args) { float f = double d = decimal dc = 0; PrintDouble(f); // Statement 1 PrintDouble(d); // Statement 2 PrintDouble(dc); // Statement 3 } static private void PrintDouble(double d) { Console.WriteLine(d.ToString()); } } Which of the following are true?