Java Program to get the reverse of the NavigableSet

import java.util.NavigableSet;
import java.util.TreeSet;
public class Demo {
	public static void main(String[] args) {
		NavigableSet<String> set = new TreeSet<>();
		set.add("ABC");
		set.add("DEF");
		set.add("GHI");
		set.add("JKL");
		set.add("MNO");
		set.add("PQR");
		set.add("STU");
		NavigableSet<String>reverse = set.descendingSet();
		System.out.println("NavigableSet = " + set);
		System.out.println("NavigableSet (Reverse) = " + reverse);
	}
}