Online Java Compiler By
JavaTpoint.com
import java.util.*; public class HashSetAddExample2 { public static void main(String[] args) { //Create hash set HashSet
hset = new HashSet
(); //Add elements to hash set hset.add(121); hset.add(111); hset.add(151); //Checking elements in hash set System.out.println("Hash set Elements: "+ hset); } }
Output