Constructors in Dart

human.dart

void main() {
  Human jenny = Human(height: 145, weight: 47);
  print(jenny.height);
  print(jenny.weight);

  Human sam = Human(height: 166, weight: 71);
  print(sam.height);
  print(sam.weight);
}

class Human {
  double height;
  double weight;

  Human({this.height, this.weight});
}