Question 1

To overload an arithmetic operator, you just define a new method using the appropriate method name.

Accepted Answer

A) True 
 B)False

Question 2

If you wanted to overload the greater than or equal operator, what method name should you define?

Accepted Answer

A)   __gte__
B)   __gt__
C)   __ge__
D)   __geq__E) A) and D)
F) B) and D)

Question 3

The code x % y is actually shorthand for the code __mod__(x, y).

Accepted Answer

A) True 
 B)False

Question 4

What function do you use to save an object utilizing the pickle module?

Accepted Answer

A)   pickle.save
B)   pickle.jar
C)   pickle.dump
D)   pickle.storeE) A) and D)
F) A) and B)

Question 5

What two terms are used for the methods that are used to observe or modify the state of an object, respectively?

Accepted Answer

A)   accessors
B)   ingressors
C)   modifiers
D)   mutatorsE) A) and D)
F) None of the above

Question 6

What statement is an accurate description of the concept of inheritance in object-oriented programming?

Accepted Answer

A)   Inheritance is the restricting of the manipulation of an object's state by external users to a set of method calls.
B)   Inheritance is allowing a class to automatically reuse and extend the code of a similar but more general class.
C)   Inheritance is the use of code that is capable of making changes to itself during the execution process.
D)   Inheritance is allowing the several different classes to use the same general method names.E) A) and B)
F) A) and C)

Question 7

To reduce a rational number to its lowest terms, you first compute the greatest common divisor (GCD) of the numerator and the denominator, using Euclid's algorithm.

Accepted Answer

A) True 
 B)False

Question 8

Objects in the natural world and objects in the world of artifacts can be classified using inheritance hierarchies.

Accepted Answer

A) True 
 B)False

Question 9

If the statements in the try clause raise no exceptions, the except clause is skipped and control proceeds to the end of the try-except statement.

Accepted Answer

A) True 
 B)False

Question 10

Inheritance allows several different classes to use the same general method names.

Accepted Answer

A) True 
 B)False

Exam 9: Design With Classes

If you wanted to overload the greater than or equal operator, what method name should you define?

Correct Answer
verified

Objects in the natural world and objects in the world of artifacts can be classified using inheritance hierarchies.

Correct Answer
verified

The code x % y is actually shorthand for the code mod(x, y).

Correct Answer
verified

Inheritance allows several different classes to use the same general method names.

Correct Answer
verified

What two terms are used for the methods that are used to observe or modify the state of an object, respectively?

Correct Answer
verified

To overload an arithmetic operator, you just define a new method using the appropriate method name.

Correct Answer
verified

What statement is an accurate description of the concept of inheritance in object-oriented programming?

Correct Answer
verified

To reduce a rational number to its lowest terms, you first compute the greatest common divisor (GCD) of the numerator and the denominator, using Euclid's algorithm.

Correct Answer
verified

If the statements in the try clause raise no exceptions, the except clause is skipped and control proceeds to the end of the try-except statement.

Correct Answer
verified

What function do you use to save an object utilizing the pickle module?

Correct Answer
verified

Exam 9: Design With Classes

If you wanted to overload the greater than or equal operator, what method name should you define?

Correct AnswerverifiedShow Answer

Objects in the natural world and objects in the world of artifacts can be classified using inheritance hierarchies.

Correct AnswerverifiedShow Answer

The code x % y is actually shorthand for the code __mod__(x, y).

Correct AnswerverifiedShow Answer

Inheritance allows several different classes to use the same general method names.

Correct AnswerverifiedShow Answer

What two terms are used for the methods that are used to observe or modify the state of an object, respectively?

Correct AnswerverifiedShow Answer

To overload an arithmetic operator, you just define a new method using the appropriate method name.

Correct AnswerverifiedShow Answer

What statement is an accurate description of the concept of inheritance in object-oriented programming?

Correct AnswerverifiedShow Answer

To reduce a rational number to its lowest terms, you first compute the greatest common divisor (GCD) of the numerator and the denominator, using Euclid's algorithm.

Correct AnswerverifiedShow Answer

If the statements in the try clause raise no exceptions, the except clause is skipped and control proceeds to the end of the try-except statement.

Correct AnswerverifiedShow Answer

What function do you use to save an object utilizing the pickle module?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

The code x % y is actually shorthand for the code mod(x, y).

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified