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Exam 11: Inheritance

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Question 21

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One of the ingredients of polymorphic behavior is the ability to define a method in a subclass, and then define a method with the same name in a superclass.

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Question 22

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A subclass may not override any method other than the __init__ method.

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Question 23

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Which of the following is the correct syntax for defining a class dining which inherits from class furniture?

In a UML diagram, what does the open arrowhead point to?

An 'is a' relationship exists between a grasshopper and a bumblebee.

In an inheritance relationship, what is a specialized class called?

_______________ is used to create an 'is a' relationship among classes.

In an inheritance relationship, a television is a(n) _______________ of the electronics class.

The _______________ function determines whether an object is an instance of a specific class, or an instance of a subclass of that class.

In the following line of code, what is the name of the subclass? Class Rose(Flower) :

A superclass inherits attributes and methods from its subclasses without any of them having to be rewritten.

The term _______________ refers to an object's ability to take different forms.

When a subclass method has the same name as a superclass method, it is often said that the subclass method _______________ the superclass method.

When there are several classes that have many common data attributes, it is better to write a(n) _____ to hold all the general data.

Base classes are also called _____.