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- Question
Which of the following statement is correct about the C#.NET code snippet given below?
public class Sample { public int x; public virtual void fun() { } } public class DerivedSample : Sample { new public void fun() { } }
Options- A. DerivedSample class hides the fun() method of base class.
- B. The DerivedSample class version of fun() method gets called using Sample class reference which holds DerivedSample class object.
- C. The code replaces the DerivedSample class version of fun() method with its Sample class version.
- D. It is not possible to hide Sample class version of fun() method without use of new in DerivedSample class.
- Correct Answer
- DerivedSample class hides the fun() method of base class.
- 1. Which of the following is the correct output for the C#.NET program given below?
int i = 20 ; for( ; ; ) { Console.Write(i + " "); if (i >= -10) i -= 4; else break; }
Options- A. 20 16 12 84 0 -4 -8
- B. 20 16 12 8 4 0
- C. 20 16 12 8 4 0 -4 -8 -12
- D. 16 12 8 4 0
- E. 16 8 0 -8 Discuss
- 2. In an inheritance chain which of the following members of base class are accessible to the derived class members?
- static
- protected
- private
- shared
- public
Options- A. 1, 3
- B. 2, 5
- C. 3, 4
- D. 4, 5 Discuss
- 3. Which of the following are value types?
- Integer
- Array
- Single
- String
- Long
Options- A. 1, 2, 5
- B. 1, 3, 5
- C. 2, 4
- D. 3, 5 Discuss
- 4. Which of the following CANNOT occur multiple number of times in a program?
Options- A. namespace
- B. Entrypoint
- C. Class
- D. Function
- E. Subroutine Discuss
- 5. Which of the following statement correctly assigns a value 33 to a variable c?
byte a = 11, b = 22, c;
Options- A. c = (byte) (a + b);
- B. c = (byte) a + (byte) b;
- C. c = (int) a + (int) b;
- D. c = (int)(a + b);
- E. c = a + b; Discuss
- 6. An enum can be declared inside a class, struct, namespace or interface.
Options- A. True
- B. False Discuss
- 7. Which of the following statements are correct about the Collection Classes available in Framework Class Library?
Options- A. Elements of a collection cannot be transmitted over a network.
- B. Elements stored in a collection can be retrieved but cannot be modified.
- C. It is not easy to adopt the existing Collection classes for newtype of objects.
- D. Elements stored in a collection can be modified only if allelements are of similar types.
- E. They use efficient algorithms to manage the collection, thereby improving the performance of the program. Discuss
- 8. Which of the following statements is correct about a namespace used in C#.NET?
Options- A. Nested namespaces are not allowed.
- B. Importing outer namespace imports inner namespace.
- C. Nested namespaces are allowed.
- D. If nested, the namespaces cannot be split across files. Discuss
- 9. Which of the following does not store a sign?
Options- A. Short
- B. Integer
- C. Long
- D. Byte
- E. Single Discuss
- 10. Which of the following is NOT an Integer?
Options- A. Char
- B. Byte
- C. Integer
- D. Short
- E. Long Discuss
More questions
Correct Answer: 20 16 12 8 4 0 -4 -8 -12
Correct Answer: 2, 5
Correct Answer: 1, 3, 5
Correct Answer: Entrypoint
Correct Answer: c = (byte) (a + b);
Correct Answer: True
Correct Answer: They use efficient algorithms to manage the collection, thereby improving the performance of the program.
Correct Answer: Nested namespaces are allowed.
Correct Answer: Byte
Correct Answer: Char
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