When dealing with currency calculations you should always use what data type?

In C#, a subroutine is called a ________.

Which line is required in your Csharp application in order to use the StringBuilder class?

Which key word provides a synchronization mechanism to helps make code thread safe?

A struct can inherit from another struct or class.

What is the keyword 'extends' used for?

Which of the following is not an interface declared in System.Collection namespace? 

Which operator is used to access member function of a class?

Select the error in the given program : public static void Main() { const int m = 100; int n = 10; const int k = n / 5 * 100 * n ; Console.WriteLine(m * k); Console.ReadLine(); }

Assume 2 columns are named Product and Category. How can they be sorted based on first by category and then by product name?

The ‘ref’ keyword can be used as: (Check all that apply)