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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does a TreeSet in Java guarantee about its elements?
💡 Hint: Think about how we organize things.
Question 2
Easy
Which method would you use to add an element to a TreeSet?
💡 Hint: Just like adding a book to a shelf.
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 main characteristic of TreeSet?
- It allows duplicates
- It maintains sorted order
- It uses hash table
💡 Hint: Consider how elements are arranged.
Question 2
True or False: A TreeSet can contain null elements.
- True
- False
💡 Hint: Think about allowing an exception.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
💡 Hint: Consider how you would organize movies on display.
Question 2
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.
💡 Hint: Think about how numbers can be arranged contrary to natural order.
Challenge and get performance evaluation