C# Online Quiz


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Following quiz provides Multiple Choice Questions (MCQs) related to C#. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Questions and Answers

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

A - get

B - set

C - add

D - All of the above.

Answer : D

Explanation

All of the above options are contextual keywords.

Answer : D

Explanation

All of the above options are correct.

Q 3 - Which of the following converts a type to a 16-bit integer in C#?

A - ToDecimal

B - ToDouble

C - ToInt16

D - ToInt32

Answer : C

Explanation

ToInt16() method converts a type to a 16-bit integer.

Q 4 - Which of the following operator casts without raising an exception if the cast fails in C#?

A - ?:

B - is

C - as

D - *

Answer : C

Explanation

as operator casts without raising an exception if the cast fails.

Q 5 - Which of the following method helps in returning more than one value?

A - Value parameters

B - Reference parameters

C - Output parameters

D - None of the above.

Answer : C

Explanation

Output parameters method helps in returning more than one value.

Q 6 - Which of the following property of Array class in C# gets a 64-bit integer, the total number of elements in all the dimensions of the Array?

A - Rank

B - LongLength

C - Length

D - None of the above.

Answer : B

Explanation

LongLength gets a 64-bit integer that represents the total number of elements in all the dimensions of the Array.

Answer : D

Explanation

All of the above options are correct.

Answer : C

Explanation

Both of the above options are correct.

Q 9 - Which of the following preprocessor directive defines a sequence of characters as symbol in C#?

A - define

B - undef

C - region

D - endregion

Answer : A

Explanation

#define: It defines a sequence of characters, called symbol.

csharp_questions_answers.htm
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