CS304 Quiz 3 by VU Topper RM

If you have three classes in a C++ program A, B, and C where class A inherits from class B, then class _____________ contains all the characteristics of class _________________. A. B, C B. A, C C. B, A

D. A, B

A post-fix unary operator is implemented in C++ using non-member function with __________ argument(s). A. Three B. One

C. Two

D. Zero

Suppose derived class is inherited from base class. What happens when a derived class object is created?

1. None of the given options
2. The constructor of only derived class is executed.
3. The constructor of base class is executed after the constructor of derived class.
4. The constructor of base class is executed before the constructor of derived class

Correct answer: The constructor of base class is executed before the constructor of derived class

________________ represents “IS A” relationship. A. Aggregation B. Simple Association

C. Inheritance

D. Composition

Outside world can access only __________ members of a class using its object. A. Protected

B. Public

C. Private D. No member is accessibl

In C++, the subscript operator [] must be overloaded as a _______ of the class, with one parameter of _______ type.

A. Member function, int

B. Member function, char C. Non-member function, char D. Non-member function, int

We can call base class constructor from derived class constructor, A. We can not call the base class constructor B. From derived class constructor body C. From any member function of derived class

D. From the initializer list of derived class constructor

Which of the following is defined as stream extraction operator in C++?

1. *<
2. <<
3. >>
4. *>

Correct answer: >>

In C++, which of the following keywords works only with constructors?

1. explicit
2. const
3. static
4. virtual

Correct answer: explicit

protected: void func1();

A. protected

B. none of the given options C. private D. public

private: int i;

class class2 : public class1

Then int member i of class1 is ______ in class2. A. none of the given options

B. private

C. public D. protected

private: int i;

Then int member i of class1 is ______ in class2. A. none of the given options

B. protected

C. public