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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is an interface in object-oriented programming?
💡 Hint: Think about contracts and implementation.
Question 2
Easy
Name one advantage of using interfaces.
💡 Hint: How can they make different classes interchangeable?
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 the primary purpose of an interface?
- To provide a method implementation
- To define a contract of behaviors
- To restrict class behaviors
💡 Hint: Remember the role of contracts and implementation.
Question 2
True or False: A class can only implement one interface in Java.
- True
- False
💡 Hint: Think about how a car can use features from multiple sources.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a UML diagram that includes an interface and at least three classes that implement it, ensuring you depict their methods clearly.
💡 Hint: Think of a scenario where these classes operate in a shared environment.
Question 2
Discuss the implications of changing an interface that several classes implement. What design principles should be considered?
💡 Hint: Consider how real-life changes might affect multiple stakeholders.
Challenge and get performance evaluation