Object Oriented Programming

11?試題

1.?

Which came first, the instance or the class?

instance

class

function

method

2.?

In Object Oriented Programming, what is another name for the "attributes" of an object?

portions

messages

forms

fields

methods

3.?

At the moment of creation of a new object, Python looks at the _________ definition to define the structure and capabilities of the newly created object.

cache

class

constructor

method

instance

4.?

Which of the following is?NOT?a good synonym for "class" in Python?

blueprint

pattern

direction

template

5.?

What does this Python statement do if PartyAnimal is a class?

zap = PartyAnimal()

Copy the value from the PartyAnimal variable to the variable zap

Subtract the value of the zap variable from the value in the PartyAnimal variable and put the difference in zap

Clear out all the data in the PartyAnimal variable and put the old values for the data in zap

Use the PartyAnimal template to make a new object and assign it to zap

6.?

What is the syntax to look up the fullname attribute in an object stored in the variable colleen?

colleen->fullname

colleen['fullname']

colleen::fullname

colleen.fullname

7.?

Which of these statements is used to indicate that class A will inherit all the features of class B?

class A(B) :

class A inherits B :

class A extends B :

A=B++;

class A instanceOf B :

8.?

What keyword is used to indicate the start of a method in a Python class?

break

function

continue

def

9.?

What is "self" typically used for in a Python method within a class?

To refer to the instance in which the method is being called

The number of parameters to the method

To set the residual value in an expression where the method is used

To terminate a loop

10.?

What does the Python dir() function show when we pass an object into it as a parameter?

It shows the methods and attributes of the object

It shows the number of parameters to the constructor

It shows the type of the object

It shows the parent class

11.?

Which of the following is rarely used in Object Oriented Programming?

Method

Attribute

Constructor

Destructor

總結

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