Sample code for 'Learn Dart Before You Flutter' blog post on Medium (2)

main.dart

class Order {
  var _id;
  var _reference;
  var _date;
 
  Order(this._id, this._reference, this._date);
  
  getInfo() {
    return 'Your order information:'
          '\n-------------------------------'
          '\n  Id: $_id'
          '\n  Reference: $_reference'
          '\n  Date: $_date'
          '\n-------------------------------';
  }
}

void main() {
  var order1 = new Order(1, 'ref1', new DateTime.now());
  print(order1.getInfo());
}