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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is Dependency Injection?
💡 Hint: Think of the television remote needing batteries.
Question 2
Easy
Why is reducing tight coupling important in software design?
💡 Hint: Consider how changing batteries can make a remote work better.
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 does Dependency Injection allow an object to do?
- Create its own dependencies
- Receive dependencies from an external source
- Ignore dependencies completely
💡 Hint: Think about how the remote gets its power.
Question 2
True or False: Tight coupling makes a system easier to maintain.
- True
- False
💡 Hint: Recall how the remote would be affected by battery changes if it created its own batteries.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a small application in Java that utilizes Dependency Injection to manage a class representing a Smart Light and its required power source.
💡 Hint: Think about how you would approach creating a light that could use different types of energy sources.
Question 2
Describe a situation where tight coupling could severely impact the maintainability of an application. Provide a solution that uses Dependency Injection.
💡 Hint: Consider the pros and cons of making every class responsible for creating its own dependencies.
Challenge and get performance evaluation