MCQOPTIONS
Saved Bookmarks
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Technical MCQs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Where does keyword ‘friend’ should be placed? |
| A. | function declaration |
| B. | function definition |
| C. | main function |
| D. | block function |
| E. | |
| Answer» B. function definition | |
| 2. |
class Box{ int capacity; public: void print(); friend void show(); bool compare(); friend bool lost();};7.Which keyword is used to represent a friend function? |
| A. | friend |
| B. | Friend |
| C. | friend_func |
| D. | Friend_func |
| Answer» B. Friend | |
| 3. |
#include <iostream>class A { private: int a; public: A() { a = 0; } friend class B; // Friend Class }; class B { private: int b; public: void showA(A& x) { std::cout << ""A::a="" << x.a; } }; int main() { A a; B b; b.showA(a); }6.What will be output for the following code? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 4. |
What will be output for the followiing code? |
| A. | A::a=0 |
| B. | A |
| C. | a=0 |
| D. | A::0 |
| Answer» B. A | |
| 5. |
If class A is a friend of B, then B doesn’t become a friend of A automatically. |
| A. | TRUE |
| B. | FALSE |
| C. | Can be true and false |
| D. | Can not say |
| Answer» B. FALSE | |
| 6. |
A friend function can be |
| A. | A method of another class |
| B. | A global function |
| C. | Both A and B |
| D. | None of the above |
| Answer» D. None of the above | |
| 7. |
A friend class can access ____________________ members of other class in which it is declared as friend. |
| A. | private |
| B. | protected |
| C. | public |
| D. | Both A and B |
| Answer» E. | |