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//Java program to demonstrate a HashSet import java.util.*; class HashSet1{ public static void main(String args[]){ //Creating HashSet and adding elements HashSet<String> set=new HashSet(); set.add("One"); set.add("Two"); set.add("Three"); set.add("Four"); set.add("Five"); Iterator<String> i=set.iterator(); while(i.hasNext()) { System.out.println(i.next()); } } }