Dart Pad OO

main.dart

mixin Agility{
  var speed = 10;
  void sitDown(){
    print('Sittin down');
  }
}

class Mammal{
  void breath(){
    print('Breath in breat out');
  }
}

class Person extends Mammal{
  String name;
  int age;
  Person(this.name, this.age);  
}


void main() {
  final pers = Person('max',30);
  print (pers.name);
  pers.breath();  
}