Java tutorial
import java.util.*; public class Main { public static void main(String[] args) { Dictionary d = new Hashtable(); // add 2 elements d.put(1, "Cocoa"); d.put(4, "from java2s.com" + "Bar"); System.out.println("1 is " + d.get(1)); System.out.println("4 is " + d.get(4)); // generates a series of elements, one at a time for (Enumeration e = d.elements(); e.hasMoreElements();) { System.out.println(e.nextElement()); } } }