Practice Treeset (15.3.2.3) - Collections and Generics

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8 questions

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6 sample questions

Question 1.
What does a TreeSet in Java guarantee about its elements?
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Think about how we organize things.
Question 2.
Which method would you use to add an element to a TreeSet?
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Just like adding a book to a shelf.
3Question 3.
What is the main characteristic of TreeSet?
- It allows duplicates
- It maintains sorted order
- It uses hash table
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Consider how elements are arranged.
4Question 4.
True or False: A TreeSet can contain null elements.
- True
- False
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Think about allowing an exception.
Question 5.
Create a TreeSet of your favorite movies. Ensure the movie titles are sorted alphabetically, and no duplicates are recorded. Demonstrate the functionality of adding and removing elements from the TreeSet.
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Consider how you would organize movies on display.
Question 6.
Implement a custom comparator that sorts a TreeSet of integers in reverse order, and demonstrate how to add elements and retrieve the smallest and largest numbers.
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Think about how numbers can be arranged contrary to natural order.

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