What will happen if the requested type conversion is not possible when using an "as" operator ?

Which statement is True?

The main reflection methods to query attributes are contained in the...

Which of the following expressions give a compile time error?

You are creating a class to compare a specially formatted string. You need to implement the IComparable<string> interface. Which code segment should you use?

Byte b1 = 1; Byte b2 = 2; Console.WriteLine(b1 + b2);

Which of the following statements are correct?

Which of the following code snippets are the correct way to convert a Single into a String in C#? (Choose all that apply.)

What is the purpose of the yield keyword in C#?

What will be the output of the following set of code? { int sum = 10; try { int i; for (i = -1; i < 3; ++i) sum = (sum / i); } catch (ArithmeticException e) { Console.WriteLine('0'); } Console.WriteLine(sum); Console.ReadLine(); }

If 's1' and 's2' are references to two strings, then which of the following is the correct way to compare the two references?