Apuntes y trucos de programación

// la solución correcta List list = new ArrayList(); Set set = new HashSet(); Map map = new TreeMap(); // la solución incorrecta ArrayList list = new ArrayList(); HashSet set = new HashSet(); TreeMap map = new TreeMap();

protected void doPost(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { // TMP debug HashMap parametros = (HashMap) req.getParameterMap(); Iterator it = parametros.entrySet().iterator(); while (it.hasNext()) { Map.Entry entry = (Map.Entry)it.next(); System.out.println(entry.getKey()+"="+entry.getValue()); } // FIN TMP debug } ================================================== for ( Iterator iterator = aMap.entrySet ( ) .iterator ( ) ; iterator.hasNext ( ) ; ) { Map.Entry entry = ( Map.Entry ) iterator.next ( ) ; String key = ( String ) entry.getKey ( ) ; String value = ( String ) entry.getValue ( ) ; }