Quiz: Enum and Stream API
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Congratulations on completing the course on data structures!
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Mastering data structures takes practice, and each challenge builds experience. The final section may have been tough, but overcoming difficulties strengthens your skills. To review key concepts, a quiz is available to test your knowledge.
Consistent practice is essential for improvement. With what you've learned, you can write small programs, perform complex calculations, and even build a simple backend for an online store.
1. What is the Java Collections Framework?
2. Which interface extends Collection in the Java Collections Framework?
3. What is the purpose of the List interface in Java Collections?
4. What is the key feature of the Set interface in Java Collections?
5. Which of the following is a valid implementation of the Set interface?
6. What is the purpose of the Map interface in Java Collections?
7. Which implementation of Map does not allow duplicate keys?
8. Which method is used to obtain a stream from a Collection in Java?
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セクション 4. 章 6
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セクション 4. 章 6
