Discussion
Home ‣ C# Programming ‣ Structures See What Others Are Saying!
- Question
Which of the following will be the correct output for the program given below?
namespace CuriousTabConsoleApplication { struct Sample { public int i; } class MyProgram { static void Main(string[] args) { Sample x = new Sample(); Sample y; x.i = 9; y = x; y.i = 5; Console.WriteLine(x.i + " " + y.i); } } }
Options- A. 9 9
- B. 9 5
- C. 5 5
- D. 5 9
- E. None of the above
- Correct Answer
- 9 5
- 1. Which of the following statements is correct?
Options- A. It is not possible to extend the if statement to handle multiple conditions using the else-if arrangement.
- B. The switch statement can include any number of case instances with two case statements having the same value.
- C. A jump statement such as a break is required after each case block excluding the last block if it is a default statement.
- D. The if statement selects a statement for execution based on the value of a Boolean expression.
- E. C# always supports an implicit fall through from one case label to another. Discuss
- 2. Which of the following CANNOT be used as an underlying datatype for an enum in C#.NET?
Options- A. byte
- B. short
- C. float
- D. int Discuss
- 3. Which of the following statements is correct?
Options- A. There is one garbage collector per program running in memory.
- B. There is one common garbage collector for all programs.
- C. An object is destroyed by the garbage collector when only one reference refers to it.
- D. We have to specifically run the garbage collector after executing Visual Studio.NET. Discuss
- 4. Which of the following statements is correct?
Options- A. A struct never declares a default constructor.
- B. All value types in C# inherently derive from ValueType, which inherits from Object.
- C. A struct never declares a default destructor.
- D. In C#, classes and structs are semantically same. Discuss
- 5. Which of the following statements are correct about Structures used in C#.NET?
- A Structure can be declared within a procedure.
- Structs can implement an interface but they cannot inherit from another struct.
- struct members cannot be declared as protected.
- A Structure can be empty.
- It is an error to initialize an instance field in a struct.
Options- A. 1, 2, 4
- B. 2, 3, 5
- C. 2, 4
- D. 1, 3 Discuss
- 6. Which of the following statements is correct about properties used in C#.NET?
Options- A. A property can simultaneously be read only or write only.
- B. A property can be either read only or write only.
- C. A write only property will have only get accessor.
- D. A write only property will always return a value. Discuss
- 7. 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 Discuss
- 8. Which of the following statements are correct about datatypes in C#.NET?
- Every datatype is either a value type or a reference type.
- Value types are always created on the heap.
- Reference types are always created on the stack.
- Mapping of every value type to a type in Common Type System facilitates Interoperability in C#.NET.
- Every reference type gets mapped to a type in Common Type System.
Options- A. 1, 3
- B. 2, 5
- C. 1, 4
- D. 3, 4 Discuss
- 9. Which of the following statements are correct?
- The conditional operator (?:) returns one of two values depending on the value of a Boolean expression.
- The as operator in C#.NET is used to perform conversions between compatible reference types.
- The &* operator is also used to declare pointer types and to dereference pointers.
- The -> operator combines pointer dereferencing and member access.
- In addition to being used to specify the order of operations in an expression, brackets [ ] are used to specify casts or type conversions.
Options- A. 1, 2, 4
- B. 2, 3, 5
- C. 3, 4, 5
- D. 1, 3, 5
- E. None of these Discuss
- 10. Once applied which of the following CANNOT inspect the applied attribute?
Options- A. CLR
- B. Linker
- C. ASP.NET Runtime
- D. Visual Studio.NET
- E. Language compilers Discuss
More questions
Correct Answer: The if statement selects a statement for execution based on the value of a Boolean expression.
Correct Answer: float
Correct Answer: There is one common garbage collector for all programs.
Correct Answer: All value types in C# inherently derive from ValueType, which inherits from Object.
Correct Answer: 2, 3, 5
Correct Answer: A property can be either read only or write only.
Correct Answer: 1, 3, 5
Correct Answer: 1, 4
Correct Answer: 1, 2, 4
Correct Answer: Linker
Comments
There are no comments.More in C# Programming:
Programming
Copyright ©CuriousTab. All rights reserved.