Practice Benefits of Using Dependency Injection - 19.4 | 19. Dependency Injection and Inversion of Control | Advance Programming In Java
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19.4 - Benefits of Using Dependency Injection

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is Dependency Injection?

💡 Hint: Think about how an object gets what it needs without creating it.

Question 2

Easy

Define Loose Coupling in the context of Dependency Injection.

💡 Hint: Focus on how changes in one part affect the other.

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 a main benefit of using Dependency Injection?

  • Tight Coupling
  • Loose Coupling
  • Increased Complexity

💡 Hint: Think about how classes interact with each other.

Question 2

True or False: Dependency Injection can improve the scalability of an application.

  • True
  • False

💡 Hint: Consider how you could add new features to an existing app.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Consider an application that requires logging service implementations from different providers. How can Dependency Injection facilitate this? Discuss and provide examples.

💡 Hint: Compare this scenario to switching light bulbs in a lamp; the fixture remains the same, but the bulb can change.

Question 2

You need to refactor a tightly coupled class to implement Dependency Injection. Describe the steps you would take in refactoring this class.

💡 Hint: Think of how you would convert a direct connection into a modular plug-in system.

Challenge and get performance evaluation