void main()
{
  final cookie =Cookie();
  
  String a = cookie.shape; 
  print(a);
  cookie.baking();
  bool b = cookie.isCooling();
  print(b);
  
  final isCookieCooling = cookie.isCooling();
  print(isCookieCooling);
}

class Cookie {
  // variable
  String shape = 'Circle';
  double size = 12;
  
  //method
  void baking()
  {
    print('baking has started!');
  }
  
  bool isCooling()
  {
    return false;
  }
}