import java.util.Enumeration;
import java.util.HashMap;
import java.util.Hashtable;
public class Main {
public static void main(String[] args) {
HashMap hMap = new HashMap();
hMap.put("1", "One");
hMap.put("2", "Two");
hMap.put("3", "Three");
Hashtable ht = new Hashtable();
ht.put("1", "REPLACED !!");
ht.put("4", "Four");
Enumeration e = ht.elements();
while (e.hasMoreElements()){
System.out.println(e.nextElement());
}
ht.putAll(hMap);
e = ht.elements();
while (e.hasMoreElements()){
System.out.println(e.nextElement());
}
}
}