Discussion
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- Question
Which of the following cannot be used with the keyword virtual?
Options- A. class
- B. member functions
- C. constructor
- D. destructor
- Correct Answer
- constructor
- 1. Which of the following are available only in the class hierarchy chain?
Options- A. Public data members
- B. Private data members
- C. Protected data members
- D. Member functions Discuss
- 2. How many types of polymorphisms are supported by C++?
Options- A. 1
- B. 2
- C. 3
- D. 4 Discuss
- 3. Which of the following approach is adapted by C++?
Options- A. Top-down
- B. Bottom-up
- C. Right-left
- D. Left-right Discuss
- 4. Which of the following concepts means determining at runtime what method to invoke?
Options- A. Data hiding
- B. Dynamic Typing
- C. Dynamic binding
- D. Dynamic loading Discuss
- 5. Which of the following is correct about function overloading?
Options- A. The types of arguments are different.
- B. The order of argument is different.
- C. The number of argument is same.
- D. Both A and B. Discuss
- 6. Which of the following operators cannot be overloaded?
Options- A. []
- B. ->
- C. ?:
- D. * Discuss
- 7. Which of the following provides a reuse mechanism?
Options- A. Abstraction
- B. Inheritance
- C. Dynamic binding
- D. Encapsulation Discuss
- 8. Which of the following is a mechanism of static polymorphism?
Options- A. Operator overloading
- B. Function overloading
- C. Templates
- D. All of the above Discuss
- 9. Which of the following is used to make an abstract class?
Options- A. Declaring it abstract using static keyword.
- B. Declaring it abstract using virtual keyword.
- C. Making at least one member function as virtual function.
- D. Making at least one member function as pure virtual function. Discuss
- 10. Which of the following concepts means adding new components to a program as it runs?
Options- A. Data hiding
- B. Dynamic typing
- C. Dynamic binding
- D. Dynamic loading Discuss
OOPS Concepts problems
Search Results
Correct Answer: Protected data members
Correct Answer: 2
Explanation:
The two main types of polymorphism are run-time (implemented as inheritance and virtual functions), and compile-time (implemented as templates).
Correct Answer: Bottom-up
Correct Answer: Dynamic binding
Correct Answer: Both A and B.
Correct Answer: ?:
Correct Answer: Inheritance
Correct Answer: All of the above
Correct Answer: Making at least one member function as pure virtual function.
Correct Answer: Dynamic loading
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