19 - Dependency Injection and Inversion of Control
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Practice Questions
Test your understanding with targeted questions
What does Dependency Injection (DI) mean?
💡 Hint: Think about the opposite of an object creating its dependencies.
What is Inversion of Control (IoC)?
💡 Hint: Consider how that differs from traditional programming.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is a key benefit of Dependency Injection?
💡 Hint: Think about how components interact with each other.
Inversion of Control implies that the developer controls object creation. (True/False)
💡 Hint: Remember who is managing the object lifecycle.
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Challenge Problems
Push your limits with advanced challenges
Create an example of a system using both Constructor and Setter Injection. Discuss the pros and cons of each approach.
💡 Hint: Consider when to use mandatory vs. optional dependencies in your design.
Identify a scenario where over-injection could occur and explain how to resolve it.
💡 Hint: Think about class responsibilities and the Single Responsibility Principle.
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Reference links
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