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Exam 15: Inheritance

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Question 1

True/False

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Destructors are not inherited into the derived class.

A) True
B) False

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Question 2

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If a base class has declared a function to be a virtual function,then does the derived class need to include the word virtual also?

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Question 3

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The base class has everything that is in the derived class and more

A constructor of the base class is ____ inherited in the derived class is/is not)

Which of the following are true?

If you have a copy constructor in the base class,but do not have a copy constructor for the derived class,then

What is another name for a child class?

Using inheritance allows us to

The ability to associate multiple meanings to one function name using dynamic binding is called _________.

The copy constructor from the base class is not inherited into the derived class.

Given the following classes and code,what is the output of the last statement shown? Class Pet { Public: Virtual void print) ; String name; Private: }; Class Dog: public Pet { Public: Void print) ; String breed; }; Void Pet::print) { Cout << "My name is " << name; } Void Dog::print) { Pet::print) ; Cout << ",and my breed is a "<< breed << endl; } Pet pPtr; Dog dPtr; DPtr->name= "Rover"; DPtr->breed="Weiner"; PPtr= dPtr; PPtr->print) ;

If the member variables in a base class are marked as private,can a derived class directly access those variables?

A derived class automatically gets all the member variables from the base class.

If the member variables of the base class are marked as protected,who can access those variables?

If you define a function in the derived class that has the same function signature as a function in the base class,this is known as

In order to tell the compiler to wait to decide which version of a function to use,you must precede the function declaration in the base class with the keyword

The ifstream class is derived from the __________ class.

If a base class has a public member function,and the derived class has a member function with the same name,but with a different parameter list,this function is said to be

C++ implements polymorphism by waiting until run-time to determine which version of a function to use.This is also known as ______________.

Give a base class with at least one public member function,how many classes can redefine that member function?