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- Question
Which one of the following is the correct way to declare a pure virtual function?
Options- A. virtual void Display(void){0};
- B. virtual void Display = 0;
- C. virtual void Display(void) = 0;
- D. void Display(void) = 0;
- Correct Answer
- virtual void Display(void) = 0;
- 1. Which of the following correctly describes overloading of functions?
Options- A. Virtual polymorphism
- B. Transient polymorphism
- C. Ad-hoc polymorphism
- D. Pseudo polymorphism Discuss
- 2. Which of the following is an abstract data type?
Options- A. int
- B. double
- C. string
- D. Class Discuss
- 3. Which of the following is not the member of class?
Options- A. Static function
- B. Friend function
- C. Const function
- D. Virtual function Discuss
- 4. Which of the following concept of oops allows compiler to insert arguments in a function call if it is not specified?
Options- A. Call by value
- B. Call by reference
- C. Default arguments
- D. Call by pointer Discuss
- 5. Which of the following type of class allows only one object of it to be created?
Options- A. Virtual class
- B. Abstract class
- C. Singleton class
- D. Friend class Discuss
- 6. Which of the following concepts means wrapping up of data and functions together?
Options- A. Abstraction
- B. Encapsulation
- C. Inheritance
- D. Polymorphism Discuss
- 7. Which of the following is not a type of constructor?
Options- A. Copy constructor
- B. Friend constructor
- C. Default constructor
- D. Parameterized constructor Discuss
- 8. Which of the following access specifier is used as a default in a class definition?
Options- A. protected
- B. public
- C. private
- D. friend Discuss
- 9. Which of the following statement is correct?
Options- A. A constructor is called at the time of declaration of an object.
- B. A constructor is called at the time of use of an object.
- C. A constructor is called at the time of declaration of a class.
- D. A constructor is called at the time of use of a class. Discuss
- 10. cout is a/an __________ .
Options- A. operator
- B. function
- C. object
- D. macro Discuss
OOPS Concepts problems
Search Results
Correct Answer: Ad-hoc polymorphism
Correct Answer: Class
Correct Answer: Friend function
Correct Answer: Default arguments
Correct Answer: Singleton class
Correct Answer: Encapsulation
Correct Answer: Friend constructor
Correct Answer: private
Correct Answer: A constructor is called at the time of declaration of an object.
Correct Answer: object
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