What are some use cases for TreeSet in Java?
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What are some use cases for TreeSet in Java?
TreeSet is useful for storing unique elements in a sorted order. Common use cases include maintaining a sorted list of items, implementing a priority queue, and performing range queries.
Can you give me an example of how to use TreeSet?
Sure! You can create a TreeSet like this: TreeSet<Integer> numbers = new TreeSet<>(); Then, add elements using numbers.add(5); and it will keep them sorted.
What are the advantages of using TreeSet over HashSet?
TreeSet maintains order and allows for range queries, while HashSet offers faster performance for basic operations but does not maintain order.
Are there any performance considerations I should be aware of?
Yes, TreeSet has a time complexity of O(log n) for add, remove, and contains operations, which is slower than HashSet's O(1) for these operations.
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