C# Online Quiz

Q 1 - Which of the following is a contextual keyword in C#?

A - get

B - set

C - add

D - All of the above.

Q 2 - Which of the following defines boxing correctly?

A - When a value type is converted to object type, it is called boxing.

B - When an object type is converted to a value type, it is called boxing.

C - Both of the above.

D - None of the above.

Q 3 - Which of the following converts a type to a 64-bit integer in C#?

A - ToInt64

B - ToSbyte

C - ToSingle

D - ToInt32

Q 4 - Which of the following operator returns the size of a data type in C#?

A - sizeof

B - typeof

C - &</a>

D - *

Q 5 - Which of the following access specifier in C# allows a child class to access the member variables and member functions of its base class?

A - Public

B - Private

C - Protected

D - Internal

Q 6 - Which of the following property of Array class in C# gets the rank (number of dimensions) of the Array?

A - Rank

B - LongLength

C - Length

D - None of the above.

Q 7 - Which of the following is the correct about static member variables of a class?

A - We can define class members variables as static using the static keyword.

B - When we declare a member of a class as static, it means no matter how many objects of the class are created, there is only one copy of the static member.

C - Both of the above.

D - None of the above.

Q 8 - C# supports multiple inheritance.

A - true

B - false

Q 9 - Which of the following preprocessor directive allows generating an error from a specific location in your code in C#?

A - define

B - region

C - line

D - error

Q 10 - Which of the following is true about catch block in C#?

A - A program catches an exception with an exception handler at the place in a program where you want to handle the problem.

B - The catch keyword indicates the catching of an exception.

C - Both of the above.

D - None of the above.