import java.util.Hashtable;
public class Main {
public static void main(String[] args) {
Hashtable ht = new Hashtable();
System.out.println("Size of Hashtable : " + ht.size());
ht.put("1", "One");
ht.put("2", "Two");
ht.put("3", "Three");
System.out.println(ht.size());
Object obj = ht.remove("2");
System.out.println(ht.size());
}
}