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Exam 11: Inheritance

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Question 1

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The __________ function determines whether or not an object is an instance of a specific class or an instance of a subclass of that class.

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Question 2

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

A) class furniture[table]:
B) class table.furniture:
C) class furniture(table) :
D) class table(furniture) :

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Question 3

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Which method can you use to determine whether an object is an instance of a class?

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

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

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

In a UML diagram depicting inheritance,you only need to write the name of the subclass.

When a class inherits another class,it is required to use all the data attributes and methods of the superclass.

One problem with using a UML diagram is that there is no way to indicate inheritance.

__________ has the ability to define a method in a subclass and then define a method with the same name in a superclass.

Given the following beginning of a class definition for a superclass named clock,how many accessor and mutator methods will be needed to complete the class definition?

A superclass is also called a(n)__________ class.

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

In the following line of code,what is the name of the base class? Class Python(Course) :

In an inheritance relationship,the extended class is called the __________.

What does a subclass inherit from a superclass?

In an inheritance relationship,a minivan can be thought of as a(n)___________ of the vehicles class.

New attributes and methods may be added to a subclass which makes it a(n)__________ version of the superclass.

Base classes are also called

An "is a" relationship exists between a wrench and a tool.