Which of the following statement is correct regarding destructor of base class?

CuriousTab

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Correct Answer

Destructor of base class should always be virtual.

2. Which of the following statements is correct when a class is inherited publicly?
Options
A. Public members of the base class become protected members of derived class.
B. Public members of the base class become private members of derived class.
C. Private members of the base class become protected members of derived class.
D. Public members of the base class become public members of derived class.

3. Which of the following statements are correct for a static member function?
1. It can access only other static members of its class.
2. It can be called using the class name, instead of objects.
Options
A. Only 1 is correct.
B. Only 2 is correct.
C. Both 1 and 2 are correct.
D. Both 1 and 2 are incorrect.

4. Which of the following statement is correct with respect to the use of friend keyword inside a class?
Options
A. A private data member can be declared as a friend.
B. A class may be declared as a friend.
C. An object may be declared as a friend.
D. We can use friend keyword as a class name.

6. What does a class hierarchy depict?
Options
A. It shows the relationships between the classes in the form of an organization chart.
B. It describes "has a" relationships.
C. It describes "kind of" relationships.
D. It shows the same relationship as a family tree.

7. Which of the following statements is correct about the program given below?

class CuriousTab
{
    public:
    static void MyFunction();
};
int main()
{
    void(*ptr)() = &CuriousTab::MyFunction;
    return 0; 
}

Options
A. The program reports an error as pointer to member function cannot be defined outside the definition of class.
B. The program reports an error as pointer to static member function cannot be defined.
C. The program reports an error as pointer to member function cannot be defined without object.
D. The program reports linker error.

10. What happens when we try to compile the class definition in following code snippet?
```
class Birds {};
class Peacock : protected Birds {};
```
Options
A. It will not compile because class body of Birds is not defined.
B. It will not compile because class body of Peacock is not defined.
C. It will not compile because a class cannot be protectedly inherited from other class.
D. It will compile succesfully.

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