Difference between hashset and treeset in java I Practical Working of Hash Set and TreeSet #java

Giving the live example of Hash Set and treeset. As Hash Set does not preserve the insertion order and does not contains the duplicate elements whereas Treeset uses default natural ordering in Ascending order. It uses binary search tree like red black tree to sort the elements. Comparable and Comparator interfaces are used to sort the list or any Collections. HashSet uses hashMap internally to test whether the duplicate elements has been added or not.
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