import java.util.Enumeration;
import java.util.Hashtable;
public class Main {
public static void main(String[] s) {
Hashtable table = new Hashtable();
table.put("key1", "value1");
table.put("key2", "value2");
table.put("key3", "value3");
Enumeration e = table.elements();
while (e.hasMoreElements()) {
String key = (String) e.nextElement();
System.out.println(key + " : " + table.get(key));
}
System.out.println(table.values());
}
}