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- Question
For the code snippet given below, which of the following statements are valid?
public class MyContainer<T> where T: class, IComparable { //Insert code here }- Class MyContainer requires that it's type argument must implement IComparable interface.
- Compiler will report an error for this block of code.
- There are multiple constraints on type argument to MyContainer class.
- Class MyContainer requires that its type argument must be a reference type and it must implement IComparable interface.
Options- A. 1 and 2 Only
- B. 3 and 4 Only
- C. 2 and 3 Only
- D. All of the above
- E. None of the above
- Correct Answer
- 3 and 4 Only
- 1. Which of the following code snippets are the correct way to determine whether a is Odd or Even?
int a; String res; if (a % 2 == 0) res = "Even"; else res = "Odd";int a; String res; if (a Mod 2 == 0) res = "Even"; else res = "Odd";int a; Console.WriteLine(a Mod 2 == 0? "Even": "Odd");
int a; String res; a % 2 == 0? res = "Even" : res = "Odd"; Console.WriteLine(res);
Options- A. 1, 3
- B. 1 Only
- C. 2, 3
- D. 4 Only
- E. None of these Discuss
- 2. What will be the output of the C#.NET code snippet given below?
int a = 10, b = 20, c = 30; int res = a < b? a < c? c : a : b; Console.WriteLine(res);
Options- A. 10
- B. 20
- C. 30
- D. Compile Error / Syntax Error Discuss
- 3. How can you prevent inheritance from a class in C#.NET?
Options- A. Declare the class as shadows.
- B. Declare the class as overloads.
- C. Declare the class as sealed.
- D. Declare the class as suppress.
- E. Declare the class as override. Discuss
- 4. There is no private or protected inheritance in C#.NET.
Options- A. True
- B. False Discuss
- 5. Which of the following is NOT an Arithmetic operator in C#.NET?
Options- A. **
- B. +
- C. /
- D. %
- E. * Discuss
- 6. The space required for structure variables is allocated on stack.
Options- A. True
- B. False Discuss
- 7. Is it possible to invoke Garbage Collector explicitly?
Options- A. Yes
- B. No Discuss
- 8. It possible to create a custom attribute that can be applied only to specific programming element(s) like ____ .
Options- A. Classes
- B. Methods
- C. Classes and Methods
- D. Classes, Methods and Member-Variables Discuss
- 9. C#.NET structures are always value types.
Options- A. True
- B. False Discuss
- 10. What does the following C#.NET code snippet will print?
int i = 0, j = 0; label: i++; j+=i; if (i < 10) { Console.Write(i +" "); goto label; }
Options- A. Prints 1 to 9
- B. Prints 0 to 8
- C. Prints 2 to 8
- D. Prints 2 to 9
- E. Compile error at label:. Discuss
More questions
Correct Answer: 1 Only
Correct Answer: 30
Correct Answer: Declare the class as sealed.
Explanation:
C#.NET allows
sealed attribute to be used as a part of class statement. Classes declared with
sealed keyword cannot be used as based class for other classes. Most important reason to do this world be to prevent behavior of a class to be changed in any way.
Correct Answer: True
Correct Answer: **
Correct Answer: True
Correct Answer: Yes
Correct Answer: Classes and Methods
Correct Answer: True
Correct Answer: Prints 1 to 9
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