class

main.dart

void main() {
  Human jenny = Human(15, 40);
  print(jenny.height);

  Human jemes = Human(110, 10);
  print(jemes.height);
  print(jemes.weight);

  jemes.talk("hello");
}

class Human {
  double height;
  double weight;
  int age = 0;

  Human(double startingHeight, double startingWeight) {
    height = startingHeight;
    weight = startingWeight;
  }

  void talk(String whatToSay) {
    print(whatToSay);
  }
}