LearningDart

void main(){
  User userone = User('rajath', 69);
  print(userone.age);
  print(userone.username);
  userone.login();
}

class User{
  String username;
  int age;

  User(String x, int z){ //doest need to be username and age, can be named anything like u and a
    this.username = x;
    this.age = z;
  }

  void login(){
    print('User has logged in');
  }
}