Exercise 1

Question 1/10

What is the role of the `using` keyword in C#?

Question 2/10

What does `private` denote in C#?

Question 3/10

What is the role of Interface in C#?

Question 4/10

What does the `sealed` keyword do in C#?

Question 5/10

In C#, what is a `delegate` used for?

Question 6/10

What is the role of `null` in C#?

Question 7/10

In a C# switch statement, what is the `default` case used for?

Question 8/10

What is the role of the `override` keyword in C#?

Question 9/10

What is Boxing in C#?

Question 10/10

In C#, what is the `StringBuilder` class used for?