Hi, I am explaining the difference between HashSet and TreeSet in Java. First of all they both come from the same family. They implement the Set Interface. In HashSet, values store in random order.

TreeSet is similar to HashSet except that it sorts the elements in the ascending order while HashSet doesn’t maintain any order. this class is also not synchronized, however it can be synchronized ...

Performance Considerations • HashSet: Extremely fast for add, remove, and lookup operations (constant time). • TreeSet: Slower due to maintaining order. • LinkedHashSet: Faster than TreeSet but slower ...

TreeSet class is the class that implements NavigableSet interface and NavaigableSet extends SortedSet which extends Set. TreeSet contains unique elements. Another important and powerful property is ...