Learn C# (C Sharp) MCQ Questions with answers and solutions.

A

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Q. Which one of the following statements is correct?

(A) Array elements can be of integer type only.
(B) The rank of an Array is the total number of elements it can contain
(C) The length of an Array is the number of dimensions in the Array.
(D) The default value of numeric array elements is zero.

A

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Q. Which of the following statements are correct about arrays used in C#.NET?
1. Arrays can be rectangular or jagged.
2. Rectangular arrays have similar rows stored in adjacent memory locations.
3. Jagged arrays do not have an access to the methods of System.Array Class.
4. Rectangular arrays do not have an access to the methods of System.Array
Class.
5. Jagged arrays have dissimilar rows stored in non-adjacent memory locations.

(A) 1,2
(B) 1,3,5
(C) 3,4
(D) 1,2,5

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Q. Which of the following statements are correct?
1. A struct can contain properties.
2. A struct can contain constructors.
3. A struct can contain protected data members.
4. A struct cannot contain methods.
5. A struct cannot contain constants.

(A) 1,2
(B) 3,4
(C) 1,2,4
(D) 3,5

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Q. Which of the following will be the correct output for the C#.NET code snippet given below? String s1 = "ALL MEN ARE CREATED EQUAL"; String s2; s2 = s1.Substring(12, 3); Console.WriteLine(s2);

(A) ARE
(B) CRE
(C) CR
(D) REA

A

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

(A) s1 is s2
(B) s1=s2
(C) s1==s2
(D) s1.Equals(s2)

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Q. Which of the following statements is correct about an Exception?

(A) It occurs during compilation.
(B) It occurs during linking.
(C) It occurs at run-time.
(D) It occurs during Just-In-Time compilation.

A

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Q. Which of the following statements are correct about exception handling in C#.NET?
1 If an exception occurs then the program terminates abruptly without getting any chance to recover from the exception.
2 No matter whether an exception occurs or not, the statements in the finally clause (if present) will get executed.
3 A program can contain multiple finally clauses.
4 A finally clause is written outside the try block.
5 Finally clause is used to perform cleanup operations like closing the network/database connections.

(A) 1 only
(B) 2 only
(C) 2 and 5 only
(D) 3 and 4 only

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Q. ______ parameters are used to pass results back to the calling method.

(A) Input
(B) Reference
(C) Value
(D) Output

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Q. The formal-parameter-list is always enclosed in _______.

(A) Square
(B) Semicolon
(C) Parenthesis
(D) Colon

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Q. _______ variables are visible only in the block they are declared.

(A) System
(B) Global
(C) Local
(D) Console

C# (C Sharp) MCQs with answers Page - 7

Q. Which one of the following statements is correct?

Q. Which of the following statements are correct?
1. A struct can contain properties.
2. A struct can contain constructors.
3. A struct can contain protected data members.
4. A struct cannot contain methods.
5. A struct cannot contain constants.

Q. Which of the following will be the correct output for the C#.NET code snippet given below? String s1 = "ALL MEN ARE CREATED EQUAL"; String s2; s2 = s1.Substring(12, 3); Console.WriteLine(s2);

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

Q. Which of the following statements is correct about an Exception?

Q. ______ parameters are used to pass results back to the calling method.

Q. The formal-parameter-list is always enclosed in _______.

Q. _______ variables are visible only in the block they are declared.

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C# (C Sharp) MCQs with answers Page - 7

Q. Which one of the following statements is correct?

Q. Which of the following statements are correct? 1. A struct can contain properties. 2. A struct can contain constructors. 3. A struct can contain protected data members. 4. A struct cannot contain methods. 5. A struct cannot contain constants.

Q. Which of the following will be the correct output for the C#.NET code snippet given below? String s1 = "ALL MEN ARE CREATED EQUAL"; String s2; s2 = s1.Substring(12, 3); Console.WriteLine(s2);

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

Q. Which of the following statements is correct about an Exception?

Q. ______ parameters are used to pass results back to the calling method.

Q. The formal-parameter-list is always enclosed in _______.

Q. _______ variables are visible only in the block they are declared.

Add MCQ in this Category

Browse Categories

Q. Which of the following statements are correct?
1. A struct can contain properties.
2. A struct can contain constructors.
3. A struct can contain protected data members.
4. A struct cannot contain methods.
5. A struct cannot contain constants.