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- Question
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.
- Correct Answer
- Declare the class as sealed.
ExplanationC#.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. - 1. Which of the following is NOT an Arithmetic operator in C#.NET?
Options- A. **
- B. +
- C. /
- D. %
- E. * Discuss
- 2. The space required for structure variables is allocated on stack.
Options- A. True
- B. False Discuss
- 3. Is it possible to invoke Garbage Collector explicitly?
Options- A. Yes
- B. No Discuss
- 4. 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
- 5. C#.NET structures are always value types.
Options- A. True
- B. False Discuss
- 6. 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
- 7. The [Serializable()] attribute gets inspected at
Options- A. Compile-time
- B. Run-time
- C. Design-time
- D. Linking-time
- E. None of the above Discuss
- 8. Code that targets the Common Language Runtime is known as
Options- A. Unmanaged
- B. Distributed
- C. Legacy
- D. Managed Code
- E. Native Code Discuss
- 9. Which of the following are the correct ways to declare a delegate for calling the function func() defined in the sample class given below?
class Sample { public int func(int i, Single j) { /* Add code here. */ } }
Options- A. delegate d(int i, Single j);
- B. delegate void d(int, Single);
- C. delegate int d(int i, Single j);
- D. delegate void (int i, Single j);
- E. delegate int sample.func(int i, Single j); Discuss
- 10. Which of the following statements is correct about properties used in C#.NET?
Options- A. Every property must have a set accessor and a get accessor.
- B. Properties cannot be overloaded.
- C. Properties of a class are actually methods that work like data members.
- D. A property has to be either read only or a write only. Discuss
More questions
Correct Answer: **
Correct Answer: True
Correct Answer: Yes
Correct Answer: Classes and Methods
Correct Answer: True
Correct Answer: Prints 1 to 9
Correct Answer: Run-time
Correct Answer: Managed Code
Correct Answer: delegate int d(int i, Single j);
Correct Answer: Properties of a class are actually methods that work like data members.
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