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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define Dependency Injection in your own words.
💡 Hint: Think about how one object uses another.
Question 2
Easy
What is a real-world analogy for Dependency Injection?
💡 Hint: Consider how devices function with required components.
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 Dependency Injection?
- A design pattern for obtaining dependencies
- A way to create new classes
- A data management framework
💡 Hint: Think about what DI helps achieve in programming.
Question 2
True or False: Dependency Injection increases the complexity of code.
- True
- False
💡 Hint: Consider the overall structure of code with and without DI.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Imagine you are developing an application that lets users book hotel rooms. Describe how you would implement Dependency Injection to handle services like payment processing and email notifications.
💡 Hint: Think in terms of components interacting and needing external support.
Question 2
You find that a class is tightly coupled because it directly creates instances of its dependencies. What steps would you take to refactor this class to better utilize Dependency Injection?
💡 Hint: Reflect on how dependency management can change class interactions.
Challenge and get performance evaluation