Referirse a un MAP

[moginn]

Código Java:

HashMap hashMap = new HashMap();
 
hashMap.put("1","valor1");
hashMap.put("2","valor2");
hashMap.put("3","valor3");
 
Iterator it = hashMap.entrySet().iterator();
while (it.hasNext()) {
Map.Entry e = (Map.Entry)it.next();
System.out.println(e.getKey() + " " + e.getValue());
}