// Client program to demonstrate our HashStringSet
public class HashStringSetClient {
   public static void main(String[] args) {
      HashStringSet set = new HashStringSet();
      set.add("Taylor");
      set.add("Yafqa");
      set.add("Chase");
      set.add("Taiga");
      
      System.out.println(set.contains("Taiga"));
      System.out.println(set.contains("Chloe"));
   }
}