Java Dictionary.isEmpty()

public abstract boolean isEmpty()

import java.util.*;
/*from www .j  a  v  a 2  s  .c  o m*/
public class Main {

   public static void main(String[] args) {
    
      Dictionary d = new Hashtable();
    
    // add elements in the hashtable
      d.put("1", "from java2s.com");
      d.put("2", "Cocoa");
      d.put("5", "Coffee");
    
      // return true if this dictionary maps no keys to value.
      boolean b = d.isEmpty();
      System.out.println("Dictionary is empty:" + b);
   }
}