Practice Interface Vs Abstract Class (11.6) - Object-Oriented Programming Concepts

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9 questions

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6 sample questions

Question 1.
Define what an interface is.
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Remember, it’s about enforcing certain behaviors.
Question 2.
Can an abstract class contain concrete methods?
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Think about shared behavior between classes.
3Question 3.
What can an abstract class contain?
- Only abstract methods
- Both abstract and concrete methods
- Only concrete methods
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Think of concrete methods as those that have their implementation!
4Question 4.
Is it possible for a class to implement multiple interfaces?
- True
- False
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Think of different roles a class might play.
Question 5.
Design a simple Java application using both an interface and an abstract class. Explain your design decisions.
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Consider what common traits animals share.
Question 6.
Explain a scenario where using an interface is more beneficial than using an abstract class, including an example.
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Think about flexibility and what interface allows.

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