PCPP Advanced Object Oriented Programming Quiz

Submit

3. Which design pattern restricts object creation to a single instance?

Factory pattern

Singleton pattern

Observer pattern

Strategy pattern

Submit

6. Which dunder method is called when an object is used as a string?

__string__

__text__

__str__

__convert__

Submit

8. What is the purpose of the `@staticmethod` decorator?

To define methods that access instance variables

To create methods that do not receive class or instance as first argument

To make methods read-only

To prevent method overriding

Submit

10. Which of the following is true about multiple inheritance in Python?

Python does not support it

A class can inherit from multiple parent classes

It always causes ambiguity errors

Only interfaces can use it

11. In Python, what is the primary purpose of the `super()` function in a derived class?

To access parent class methods and attributes

To create a new instance of the parent class

To override all parent class methods

To prevent inheritance from occurring

12. What is the primary benefit of using abstract base classes?

To increase code execution speed

To enforce a contract that subclasses must follow

To reduce memory usage

To simplify variable naming

Submit

14. Which principle restricts access to certain class members from outside the class?

Inheritance

Encapsulation

Polymorphism

Abstraction

Submit

16. What is the purpose of the `@property` decorator in Python?

To define class variables

To create getter/setter methods with dot notation

To declare static methods

To enforce private access

17. Which of the following best describes polymorphism?

The ability to have multiple constructors

Objects of different classes responding to the same method call

Hiding internal implementation details

Creating multiple inheritance hierarchies

Submit

19. What does the `init` method represent in a Python class?

A static method

The constructor method

A private method

An abstract method

20. Which keyword is used to define a method that cannot be overridden in a subclass?

Final

Private

Sealed

Python does not support this directly

PCPP Advanced Object Oriented Programming Quiz

1. A decorator that modifies function behavior without changing its source code is an example of the ____ pattern.

2.

What first name or nickname would you like us to use?

2. In Python, the `slots` attribute is used to ____ memory usage by restricting instance attributes.

3. Which design pattern restricts object creation to a single instance?

4. The `getattr` method is called when an attribute is ____.

5. Composition is preferred over inheritance when you want to avoid ____ hierarchies.

6. Which dunder method is called when an object is used as a string?

7. A metaclass in Python is a class whose instances are ____.

8. What is the purpose of the `@staticmethod` decorator?

9. The Method Resolution Order (MRO) in Python determines the order in which ____ are searched.

10. Which of the following is true about multiple inheritance in Python?

11. In Python, what is the primary purpose of the `super()` function in a derived class?

12. What is the primary benefit of using abstract base classes?

13. In Python, `str` and `repr` are examples of ____ methods.

14. Which principle restricts access to certain class members from outside the class?

15. A method that belongs to the class itself rather than instances is called a ____ method.

16. What is the purpose of the `@property` decorator in Python?

17. Which of the following best describes polymorphism?

18. In Python, a class with at least one abstract method is called a(n) ____.

19. What does the `init` method represent in a Python class?

20. Which keyword is used to define a method that cannot be overridden in a subclass?

PCPP Advanced Object Oriented Programming Quiz

1. A decorator that modifies function behavior without changing its source code is an example of the ____ pattern.

2.

What first name or nickname would you like us to use?

2. In Python, the `__slots__` attribute is used to ____ memory usage by restricting instance attributes.

3. Which design pattern restricts object creation to a single instance?

4. The `__getattr__` method is called when an attribute is ____.

5. Composition is preferred over inheritance when you want to avoid ____ hierarchies.

6. Which dunder method is called when an object is used as a string?

7. A metaclass in Python is a class whose instances are ____.

8. What is the purpose of the `@staticmethod` decorator?

9. The Method Resolution Order (MRO) in Python determines the order in which ____ are searched.

10. Which of the following is true about multiple inheritance in Python?

11. In Python, what is the primary purpose of the `super()` function in a derived class?

12. What is the primary benefit of using abstract base classes?

13. In Python, `__str__` and `__repr__` are examples of ____ methods.

14. Which principle restricts access to certain class members from outside the class?

15. A method that belongs to the class itself rather than instances is called a ____ method.

16. What is the purpose of the `@property` decorator in Python?

17. Which of the following best describes polymorphism?

18. In Python, a class with at least one abstract method is called a(n) ____.

19. What does the `__init__` method represent in a Python class?

20. Which keyword is used to define a method that cannot be overridden in a subclass?

2. In Python, the `slots` attribute is used to ____ memory usage by restricting instance attributes.

4. The `getattr` method is called when an attribute is ____.

13. In Python, `str` and `repr` are examples of ____ methods.

19. What does the `init` method represent in a Python class?