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TreeSet descendingIterator() method in Java with Examples

Last Updated : 11 Jul, 2025

The descendingIterator() method of java.util.TreeSet<E> class is used to return an iterator over the elements in this set in descending order.
Syntax:

public Iterator descendingIterator()


Return Value: This method returns an iterator over the elements in this set in descending order.
Below are the examples to illustrate the descendingIterator() method
Example 1:


Output
TreeSet: [10, 20, 30, 40]

Values using DescendingIterator:
Value : 40
Value : 30
Value : 20
Value : 10

Example 2: 


Output
TreeSet: [A, B, C, D]

Values using DescendingIterator:
Value : D
Value : C
Value : B
Value : A
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