Question: Suppose you need to write a program that stores unordered, nonduplicate elements, what data structure should you consider to use? ArrayList TreeSet LinkedHashSet HashSet

Suppose you need to write a program that stores unordered, nonduplicate elements, what data structure should you consider to use?
ArrayList
TreeSet
LinkedHashSet
HashSet
Suppose you need to write a program that stores unordered, nonduplicate

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