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- Question
Which of the following statements are correct about exception handling in C#.NET?
- If an exception occurs then the program terminates abruptly without getting any chance to recover from the exception.
- No matter whether an exception occurs or not, the statements in the finally clause (if present) will get executed.
- A program can contain multiple finally clauses.
- A finally clause is written outside the try block.
- finally clause is used to perform clean up operations like closing the network/database connections.
Options- A. 1 only
- B. 2 only
- C. 2 and 5 only
- D. 3 and 4 only
- E. None of the above
- Correct Answer
- 2 and 5 only
- 1. Which of the following is the necessary condition for implementing delegates?
Options- A. Class declaration
- B. Inheritance
- C. Run-time Polymorphism
- D. Exceptions
- E. Compile-time Polymorphism Discuss
- 2. Suppose value of the Capacity property of ArrayList Collection is set to 4. What will be the capacity of the Collection on adding fifth element to it?
Options- A. 4
- B. 8
- C. 16
- D. 32 Discuss
- 3. Which of the following is the correct output for the C#.NET code snippet given below?
Console.WriteLine(13 / 2 + " " + 13 % 2);
Options- A. 6.5 1
- B. 6.5 0
- C. 6 0
- D. 6 1
- E. 6.5 6.5 Discuss
- 4. Which of the following statements are correct about the C#.NET code snippet given below?
int[][]intMyArr = new int[2][]; intMyArr[0] = new int[4]{6, 1, 4, 3}; intMyArr[1] = new int[3]{9, 2, 7};
Options- A. intMyArr is a reference to a 2-D jagged array.
- B. The two rows of the jagged array intMyArr are stored in adjacent memory locations.
- C. intMyArr[0] refers to the zeroth 1-D array and intMyArr[1] refers to the first 1-D array.
- D. intMyArr refers to intMyArr[0] and intMyArr[1].
- E. intMyArr refers to intMyArr[1] and intMyArr[2]. Discuss
- 5. Which of the following is an 8-byte Integer?
Options- A. Char
- B. Long
- C. Short
- D. Byte
- E. Integer Discuss
- 6. Which of the following statements is valid about generic procedures in C#.NET?
Options- A. All procedures in a Generic class are generic.
- B. Only those procedures labeled as Generic are generic.
- C. Generic procedures can take at the most one generic parameter.
- D. Generic procedures must take at least one type parameter.
- E. None of the above. Discuss
- 7. The size of a derived class object is equal to the sum of sizes of data members in base class and the derived class.
Options- A. True
- B. False Discuss
- 8. Suppose n is a variable of the type Byte and we wish to put OFF its fourth bit (from right) without disturbing any other bits. Which of the following statements will do this correctly?
Options- A. n = n && HF7
- B. n = n & 16
- C. n = n & 0xF7
- D. n = n & HexF7
- E. n = n & 8 Discuss
- 9. Which of the following statements is correct about namespaces in C#.NET?
Options- A. Namespaces can be nested only up to level 5.
- B. A namespace cannot be nested.
- C. There is no limit on the number of levels while nesting namespaces.
- D. If namespaces are nested, then it is necessary to use using statement while using the elements of the inner namespace.
- E. Nesting of namespaces is permitted, provided all the inner namespaces are declared in the same file. Discuss
- 10. If Sample class has a Length property with get and set accessors then which of the following statements will work correctly?
Sample.Length = 20;
Sample m = new Sample(); m.Length = 10;
Console.WriteLine(Sample.Length);
Sample m = new Sample(); int len; len = m.Length;
Sample m = new Sample(); m.Length = m.Length + 20;
Options- A. 1, 3
- B. 2, 4, 5
- C. 4 only
- D. 3, 5 Discuss
More questions
Correct Answer: Class declaration
Correct Answer: 8
Correct Answer: 6 1
Correct Answer: intMyArr[0] refers to the zeroth 1-D array and intMyArr[1] refers to the first 1-D array.
Correct Answer: Long
Correct Answer: Generic procedures must take at least one type parameter.
Correct Answer: True
Correct Answer: n = n & 0xF7
Correct Answer: There is no limit on the number of levels while nesting namespaces.
Correct Answer: 2, 4, 5
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