Objects And Classes

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

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

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.

Answer: D

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Which of the following is the only technical difference between structures and classes in C++?

A:

Member function and data are by default protected in structures but private in classes.

B:

Member function and data are by default private in structures but public in classes.

C:

Member function and data are by default public in structures but private in classes.

D:

Member function and data are by default public in structures but protected in classes.

Answer: C

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Which of the following means "The use of an object of one class in definition of another class"?

A:

Encapsulation

B:

Inheritance

C:

Composition

D:

Abstraction

Answer: C

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Which of the following can be overloaded?

A:

Object

B:

Functions

C:

Operators

D:

Both B and C

Answer: D

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What does a class hierarchy depict?

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.

Answer: C

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Questions for: Objects And Classes