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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a design pattern?
💡 Hint: Think about how we solve similar problems in coding.
Question 2
Easy
Name one use case for the Singleton pattern.
💡 Hint: What resource in programming should remain consistent?
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 is the purpose of a design pattern?
- To create new algorithms
- To provide reusability and best practices
- To define data structure
💡 Hint: Consider what helps programmers avoid reinventing the wheel.
Question 2
The Singleton pattern restricts the instantiation of a class to how many instances?
- One
- Multiple
💡 Hint: Think about whether you'd want multiple loggers in an application.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a class for a logger that follows the Singleton pattern. Ensure it prevents multiple instances and provides a log method.
💡 Hint: Consider how you would ensure only one log is created throughout the application.
Question 2
Apply the Factory pattern in a scenario where different shapes (e.g., circle, square) are needed. Implement methods to create them based on user input.
💡 Hint: Think about how you'd design an app that can draw various shapes based on selections.
Challenge and get performance evaluation