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2 cards from this section. Quick, good the night before a test.
What is Dependency Injection?
Think about how an object gets what it needs without creating it.
Define Loose Coupling in the context of Dependency Injection.
Focus on how changes in one part affect the other.
What is a main benefit of using Dependency Injection?
Think about how classes interact with each other.
True or False: Dependency Injection can improve the scalability of an application.
Consider how you could add new features to an existing app.
Consider an application that requires logging service implementations from different providers. How can Dependency Injection facilitate this? Discuss and provide examples.
Compare this scenario to switching light bulbs in a lamp; the fixture remains the same, but the bulb can change.
You need to refactor a tightly coupled class to implement Dependency Injection. Describe the steps you would take in refactoring this class.
Think of how you would convert a direct connection into a modular plug-in system.
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