Exercise: Python

Questions for: Encapsulation

How can encapsulation be achieved?
A:
By using public access specifiers for all class members
B:
By allowing unrestricted access to the internal details of an object
C:
By using access specifiers to control access to class members
D:
By avoiding the use of classes and objects
Answer: C
Encapsulation in Python can be achieved by using access specifiers, such as private, protected, and public, to control access to class members.
Which of the following best describes encapsulation?
A:
Combining data and methods into a single unit and allowing unrestricted access to internal details
B:
Hiding implementation details of an object and exposing only the necessary functionalities
C:
Inheriting attributes and behaviors from another class
D:
Using global variables for data encapsulation
Answer: B
Encapsulation in Python involves hiding the implementation details of an object and exposing only the necessary functionalities.
What is the purpose of the double underscore prefix in Python, as in __variable?
A:
To indicate a protected variable
B:
To indicate a private variable
C:
To indicate a global variable
D:
To indicate a constant variable
Answer: B
The double underscore prefix in Python, as in __variable, is used to indicate a private variable.
What is the main advantage of encapsulation in object-oriented programming?
A:
It simplifies the process of class instantiation.
B:
It allows for the creation of multiple instances of a class.
C:
It promotes code reusability.
D:
It enhances data security by hiding implementation details.
Answer: D
The main advantage of encapsulation is that it enhances data security by hiding the implementation details of an object, preventing direct access and manipulation.
Which of the following statements about encapsulation in Python is true?
A:
Encapsulation is primarily concerned with combining data and methods into a single unit.
B:
Encapsulation allows unrestricted access to the internal details of an object.
C:
Encapsulation is achieved through the use of global variables.
D:
Encapsulation involves exposing all implementation details of an object.
Answer: A
Encapsulation in Python involves bundling data and methods into a single unit, promoting modularity and controlled access.
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