package visualbuilder;

import java.util.*;

import java.util.concurrent.*;

public class UseNavigableSet

{

public static void main(String[] args)

{

System.out.println("Example of Navigable Set");

NavigableSet nset = new ConcurrentSkipListSet();

nset.add("20");

nset.add("60");

nset.add("50");

nset.add("40");

nset.add("30");

nset.add("80");

Iterator iterator = nset.iterator(); // Returns an iterator over the elements in navigable set, in ascending order.



System.out.print("In ascending order :");

while (iterator.hasNext())

{ //Ascending order list

System.out.print(iterator.next() + " ");

}

System.out.println(); //Descending order list

System.out.println("In descending order : " + nset.descendingSet() + "\n");

System.out.println("Remove element: " + nset.pollLast());

//After removing the last element, now get navigable set

System.out.println("Now navigable set: " + nset.descendingSet());

}

}