void main() {
  var eros = new Employee.fromJson({
    'name': 'Erős István',
    'city': 'Szeged'
    });
  print('${eros.name} ${eros.city}');
}

class Employee {
  String name;
  String city;
  
  Employee(this.name, this.city);

  factory Employee.fromJson(Map<String, dynamic> json) {
    String name = json['name'];
    String city = json['city'];
    return Employee(name, city);
  }  
}