C++ II Exam I(Inheritance and Polymorphism Section)

Study only in multiple choice!

Which of the following statements A, B or C is false?

The existing class is called the derived class, and the new class is called the base class.

Which of the following statements A, B or C is false?

All of the above statements are true.

Which of the following statements A, B or C is false?

Polymorphic programs can process objects of classes related by inheritance as if they're all objects of the derived-class type.

With regard to interface inheritance:

With interface inheritance, the base class provides the implementation details.

Which of the following statements A, B or C is false?

Once classes are employed in inheritance hierarchies, they become uncoupled with other classes.

A class can be ________

Both A and B.

Which of the following statements A, B or C is false? In public inheritance ________.

public and protected base-class members become protected derived-class members

Which of the following statements A, B or C is false?

Given Employee, BirthDate and PhoneNumber classes, it's proper to say that an Employee is a BirthDate or that an Employee is a PhoneNumber.

Which of the following statements A, B or C is false?

All of the above statements are true.

Which of the following statements A, B or C is false?

All of the above statements are true.

Which of the following statements A, B or C is false?

All of the above statements are true.

Which of the following statements is false?

All of the above statements are true.

Which of the following statements A, B or C is false?

All of the above statements are true.

Which of the following statements A, B or C is false?

You can compare strings using only string's overloaded equality operators.

Which of the following statements is false?

You may not append a C-string literal to a string object using +=.

Which of the following statements is false?

D) In C++20, if you define == for your class, C++ provides !=, >= and <= for you.

Which of the following statements A, B or C is false?

All of the above statements are true.

Which of the following statements A, B or C is false?

The unique_ptr object that originally allocated the dynamic memory is responsible for deleting the memory.

Which of the following statements A, B or C is false?

The compiler-generated copy constructor and copy assignment operator perform memberwise deep copies.

Which of the following statements A, B or C is false?

All of the above statements are true.