Exercise: Inheritance
Questions for: Inheritance
How can you achieve method overriding in Python using the
@staticmethod decorator?
A:
By directly using the
@staticmethod decorator on the overridden method
B:
By using the
@override decorator
C:
By using the
@implements decorator
D:
Method overriding is not possible using
@staticmethod
Answer: A
Method overriding in Python can be achieved by using the
@staticmethod decorator on the method in the superclass and implementing it in the subclass.
What is the purpose of the
__metaclass__ attribute in a Python class definition?
A:
To define class attributes
B:
To create a new instance of the class
C:
To specify a metaclass for the class
D:
To access superclass attributes directly
Answer: C
The
__metaclass__ attribute is used to specify a metaclass for the class, allowing customization of class creation and behavior.Discuss About this Question.
In Python, what is the purpose of the
__class__ attribute in an instance of a class?
A:
To define class attributes
B:
To create a new instance of the class
C:
To access the class of an instance
D:
To access superclass attributes directly
Answer: C
The
__class__ attribute is used to access the class of an instance in Python.Discuss About this Question.
What is the purpose of the
__subclasses__() method in Python classes?
A:
To define class attributes
B:
To create a new instance of the class
C:
To retrieve a list of all direct subclasses of a class
D:
To access superclass attributes directly
Answer: C
The
__subclasses__() method is used to retrieve a list of all direct subclasses of a class.Discuss About this Question.
How does Python handle multiple inheritance conflicts for method resolution?
A:
By automatically resolving conflicts using the first defined method
B:
By raising an error and requiring explicit resolution using
super()
C:
By allowing the developer to choose the resolution order
D:
Multiple inheritance conflicts are not allowed in Python
Answer: C
Python uses the C3 linearization algorithm, allowing the developer to specify the method resolution order when conflicts arise in multiple inheritance.
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