readme.md

Created with <3 with dartpad.dev.

main.dart

import "dart:math";

void main() {
  ClassicalGuitar ramirez = ClassicalGuitar('Centenario');
  print(
      "Ramirez is the ${ramirez.model} model celebrating 100 years of history");
  ramirez.numberOfStrings();
  ramirez.wood("Russian birch");
  ramirez.loudness();

  print("");
  ElectricGuitar fender = ElectricGuitar('Stratocaster');
  print("I am a legendary ${fender.model} model");
  fender.wood("Ash");
  fender.heaviness(1);
  fender.squeal();
}

class Guitar {
  Guitar();

  wood(var type) {
    print("I am made out of $type");
  }
}

class ClassicalGuitar extends Guitar {
  late String model;
  late String woodType;
  int numOfStrings = Random().nextInt(8) + 6;

  ClassicalGuitar(this.model);

  numberOfStrings() {
    print("I have $numOfStrings strings");
  }

  @override
  wood(woodType) {
    print("I'm made from a $woodType tree");
  }

  loudness() {
    print("I am very quiet and sound better in a hall");
  }
}

class ElectricGuitar extends Guitar {
  late String model;
  late double weight;
  List<String> woodTypes = ["Ash", "Basswood", "Alder"];

  ElectricGuitar(this.model);

  @override
  wood(var type) {
    if (woodTypes.contains(type)) {
      print("I am a $type electric guitar");
    } else {
      print(
          "I am not usually made out of $type, but whatever floats your boat");
    }
  }

  heaviness(var weight) {
    if (weight <= 3) {
      print("This is a very light guitar");
    } else if (weight > 3 && weight <= 5) {
      print("This is a medium weight guitar");
    } else {
      print("This is a heavy guitar");
    }
  }

  squeal() {
    print("I can wail and have electric scrreeeeeeaaammmmms!");
  }
}