main.dart

class A {
  final name = 'A';
  
  void printName() {
    print(name);
  }
}

class B extends A {
  @override
  String get name => 'B';
  
  void printSuperName() {
    print(super.name);
  }
}

void main() {
  final a = A();
  a.printName();
  
  final b = B();
  b.printName();
  b.printSuperName();
}