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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the main purpose of the Decorator Pattern?
💡 Hint: Think about how you can decorate a cake with different layers.
Question 2
Easy
Name one benefit of using the Decorator Pattern.
💡 Hint: Consider how you can build something by adding features without changing the base.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does the Decorator Pattern primarily allow developers to do?
- A. Directly modify existing classes
- B. Dynamically add responsibilities
- C. Create single instance classes
💡 Hint: Think about how you can add layers to an object.
Question 2
True or False: The Decorator Pattern changes the existing class code.
- True
- False
💡 Hint: Remember that decorators should only enhance, not alter the base.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Implement a Throwing Exception Decorator that adds error handling to a simplified database access class in Java.
💡 Hint: Consider catching exceptions and wrapping them in a decorator to make the resulting classes easier to manage.
Question 2
Design a UI component framework using the Decorator Pattern where components can be wrapped with additional features like borders or shadows.
💡 Hint: Visualize different components like Labels and Buttons, then think of enhancing them with decorators.
Challenge and get performance evaluation