Can I store objects in a Set in Java?
Yes, you can store objects in a Set in Java. Sets are designed to hold unique elements.
What types of objects can I store in a Set?
You can store any type of object in a Set, including custom objects, as long as they implement the equals() and hashCode() methods.
How does a HashSet differ from a TreeSet?
A HashSet stores elements in a hash table and offers constant time performance for basic operations, while a TreeSet stores elements in a sorted tree structure and provides log(n) time performance for operations.
Can I store duplicate objects in a Set?
No, Sets do not allow duplicate elements. If you try to add a duplicate, it will simply be ignored.
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