ExamAdept

What is the role of the @staticmethod decorator in encapsulation?

A:

To define a private variable

B:

To create a class instance

C:

To provide a static method for a class

D:

To access a global variable

Answer: C

The @staticmethod decorator is used in encapsulation to provide a static method for a class, allowing functionality without accessing instance-specific data.

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Which access specifier in Python is used to indicate that a variable or method should be accessible within the same class and its subclasses?

A:

Public

B:

Private

C:

Protected

D:

Global

Answer: C

Protected access specifier in Python is denoted by a single underscore (_), and it indicates that the variable or method should be accessible within the same class and its subclasses.

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In Python, what is the purpose of the __init__() method in the context of encapsulation?

A:

To initialize a class instance with default values

B:

To define a private variable

C:

To create a new instance of the class

D:

To hide the implementation details of a class

Answer: A

The __init__() method in Python is used to initialize a class instance with default values, contributing to encapsulation.

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How does encapsulation contribute to the concept of information hiding in object-oriented programming?

A:

By exposing all implementation details of an object

B:

By combining data and methods into a single unit

C:

By hiding the implementation details of an object and exposing only the necessary functionalities

D:

By allowing unrestricted access to internal details of an object

Answer: C

Encapsulation contributes to information hiding by hiding the implementation details of an object and exposing only the necessary functionalities, promoting abstraction.

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What is the role of the @property decorator in encapsulation?

A:

To define a private variable

B:

To create a class instance

C:

To provide a getter method for a private variable

D:

To access a global variable

Answer: C

The @property decorator is used in encapsulation to provide a getter method for a private variable, allowing controlled access.

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Questions for: Encapsulation