Chapter 21.2, Problem 21.2.10CP

Program Plan Intro

Program:

// Java code for adding elements in Set

//import util package

import java.util.*;

//class definition

public class Example_1 {

// main method

public static void main(String[] args)

{

/*Create a new TreeSet and use comparator to compare string length*/

Set<String> set = new TreeSet<>(

Comparator.comparing(String::length));

//add element ABC into the set

set.add("ABC");

//add element and into the set

set.add("ABD");

//print elements present in the set

System.out.println(set);

}

}