What are the advantages of using HashSet in Java?
HashSet offers several advantages, including fast access times, no duplicate elements, and efficient memory usage.
Can you explain how HashSet achieves fast access times?
HashSet uses a hash table for storage, which allows for average constant time complexity O(1) for add, remove, and contains operations.
Are there any disadvantages to using HashSet?
Yes, HashSet does not maintain the order of elements and can have performance issues if many hash collisions occur.
When should I choose HashSet over other collections?
Choose HashSet when you need a collection that ensures uniqueness and requires fast lookups without caring about order.
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