InheritanceWithPrivateArguments.dart

void main() {
  
  List<String> myList = ['One', 'Two', 'Three'];
  
  Parent papa = Parent(questions: myList);
  Child child = Child(myList);
  
  print(child._questions);
  
  print(child.qn);
 
  child.next();
  
  print(child.qn);
  print(papa.qn);
  
}

class Parent{
  int qn = 0;
  final List<String> _questions;
  
  Parent({required List<String> questions}): _questions = questions;
  
  void next(){
    this.qn++;
  }
}


class Child extends Parent {
      
  Child(List<String> qs) : super(questions: qs);

}