19.2.3 - Why DI?
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
What does Dependency Injection aim to reduce between classes?
💡 Hint: Think about the relationship between different components in a system.
Name one benefit of Dependency Injection.
💡 Hint: Consider how dependencies are managed during testing.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main purpose of Dependency Injection?
💡 Hint: Think about what DI aims to solve in application design.
True or False: Dependency Injection increases tight coupling between components.
💡 Hint: Recall how DI is used to manage relationships between classes.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Imagine you are designing an application for a library system. Explain how you would use DI to manage dependencies in a way that promotes loose coupling and easy testability.
💡 Hint: Focus on the use of interfaces and how they decouple components.
Critique the use of DI in a small-sized application where tight coupling is not a problem. Discuss the pros and cons.
💡 Hint: Think about the application's size and the need for maintainability.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.