EduardinDev

public static void main (String[] args) {
    //a map with key type : String, value type : String
    Map<String,String> mp = new HashMap<String,String>();
    mp.put("John","Math");    mp.put("Jack","Math");    map.put("Jeff","History");

    //3 differents ways to iterate over the map
    for (String key : mp.keySet()){
        //iterate over keys
        System.out.println(key+" "+mp.get(key));
    }

EduardinDev

//si retorna true - la cédula es válida
//si retorna false - la cédula es false

bool cedulaEcuatorianaValida(String cedula) {
  int sum = 0;
  try {
    if (cedula.trim().length != 10) {
      return false;
    }
    List<String> data = cedula.split("");

EduardinDev

#Ejemplo 1
Widget myLayoutWidget() {
  return Align(
    alignment: Alignment(0.7, -0.5),
    child: Text(
      "widget",
      style: TextStyle(fontSize: 30),
    ),
  );
}