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- Question
Which of the following statements are correct about data types?
- Each value type has an implicit default constructor that initializes the default value of that type.
- It is possible for a value type to contain the null value.
- All value types are derived implicitly from System.ValueType class.
- It is not essential that local variables in C# must be initialized before being used.
- Variables of reference types referred to as objects and store references to the actual data.
Options- A. 1, 3, 5
- B. 2, 4
- C. 3, 5
- D. 2, 3, 4
- Correct Answer
- 1, 3, 5
- 1. The space required for structure variables is allocated on stack.
Options- A. True
- B. False Discuss
- 2. Is it possible to invoke Garbage Collector explicitly?
Options- A. Yes
- B. No Discuss
- 3. 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
- 4. C#.NET structures are always value types.
Options- A. True
- B. False Discuss
- 5. 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
- 6. 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
- 7. Code that targets the Common Language Runtime is known as
Options- A. Unmanaged
- B. Distributed
- C. Legacy
- D. Managed Code
- E. Native Code Discuss
- 8. 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
- 9. 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
- 10. Which of the following assemblies can be stored in Global Assembly Cache?
Options- A. Private Assemblies
- B. Friend Assemblies
- C. Shared Assemblies
- D. Public Assemblies
- E. Protected Assemblies Discuss
More questions
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.
Correct Answer: Shared Assemblies
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