ExamAdept

Consider the following Python code:

class Employee:
    def __init__(self, name, salary):
        self._name = name
        self._salary = salary

    def get_salary(self):
        return self._salary

What is the purpose of the get_salary() method in this code?

A:

To set the salary of an employee

B:

To delete the salary of an employee

C:

To retrieve the salary of an employee

D:

To create a new instance of the class

Answer: C

The get_salary() method is designed to retrieve the salary of an employee, demonstrating encapsulation by providing controlled access.

📖

In Python, what is the role of a getter method in encapsulation?

A:

To set the value of a private variable

B:

To retrieve the value of a private variable

C:

To create a new instance of a class

D:

To delete a private variable

Answer: B

A getter method in encapsulation is used to retrieve the value of a private variable.

📖

What is a potential advantage of using encapsulation?

A:

Increased code complexity

B:

Improved code maintainability

C:

Reduced data security

D:

Unrestricted access to internal details

Answer: B

Encapsulation in Python can lead to improved code maintainability by organizing code into a more modular and understandable structure.

📖

Which of the following access specifiers in Python is used to indicate that a variable or method should be accessible only within its own class and not from outside?

A:

Public

B:

Private

C:

Protected

D:

Global

Answer: B

The private access specifier in Python (indicated by a single underscore or double underscore prefix) restricts access to variables and methods only within their own class.

📖

What does the term "encapsulation" mean in the context of object-oriented programming?

A:

Combining multiple classes into one

B:

Hiding the implementation details of an object and bundling data and methods into a single unit

C:

Inheriting attributes from multiple classes

D:

Exposing all internal details of an object

Answer: B

Encapsulation in Python involves hiding the implementation details of an object and bundling data and methods into a single unit for better control.

📖

Questions for: Encapsulation