package collection.com; import java.util.HashSet; import java.util.Iterator; import java.util.LinkedHashSet; public class HashSetClass { public static void main(String args[]){ HashSet al=new HashSet(); al.add("Ravi"); al.add("Vijay"); al.add("Ravi"); al.add("Ajay"); Iterator itr=al.iterator(); while(itr.hasNext()){ System.out.println(itr.next()); } System.out.println("linked hash set"); // linked LinkedHashSet al2=new LinkedHashSet(); al2.add("Bavi"); al2.add("Cijay"); al2.add("Bavi"); al2.add("Ajay"); Iterator itr2=al2.iterator(); while(itr2.hasNext()){ System.out.println(itr2.next()); } } }