تمرین نوع های داده در دارت

                void main() {
  "" fileName = "log.txt";
  print(fileName);
}

                void main() {
  "" maxAttempts = 3;
  print(maxAttempts);
}

                void main() {
  "" numOfChildren = "3";
  print(numOfChildren);
}

                void main() {
  "" exchangeRate = 1.23;
  print(exchangeRate);
}

                void main() {
  String password = "123456";
  int passwordLength = "";
  print(passwordLength);
}

                void main() {
  String phoneNumber = "0939 7660086";
  int phoneNumberLength = phoneNumber.length;
  print(phoneNumberLength);
}

                void main() {
  String hashtag = "tamrin24.com";
  int hashtagLength = hashtag.length;
  print(hashtagLength);
}

                import 'dart:math';

void main() {
  double marketShare = 12.03298;
  double roundedMarketShare = double.parse(marketShare.toStringAsFixed(2));
  print(roundedMarketShare);
}

                void main() {
  String imageResolution = "72";
  int castedImageResolution = ""(imageResolution);
  print(castedImageResolution);
}

                void main() {
  String productPrice = "9.99";
  double castedProductPrice = "";
  print(castedProductPrice);
}