The Java.util.NavigableSet.clear() method is used to remove all the elements from a NavigableSet. Using the clear() method only clears all the element from the NavigableSet and not deletes the NavigableSet. In other words, we can say that the clear() method is used to only empty an existing NavigableSet.
Parameters: The method does not take any parameter
Return Value: The method does not returns any value.
Below program illustrate the Java.util.method.clear() method:
Initial NavigableSet: [4, Geeks, To, Welcome] The final NavigableSet: 
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