ডার্ট

void main() {
  bool username = true;

  print(username.runtimeType);
}

void main() {
  bool password = false;

  print(password.runtimeType);
}

void main() {
  List<String> fruits = ["আপেল", "আঙ্গুর", "কমলা", "কলা"];

  for (String fruit in fruits) {
    print(fruit);
  }
}

void main() {
  List<String> fruits = ["আপেল", "আঙ্গুর", "কমলা", "কলা"];

  for (String fruit in fruits) {

    if (fruit == "কমলা") {
      break;
    }

    print(fruit);
  }
}

void main() {
  List<String> fruits = ["আপেল", "আঙ্গুর", "কমলা", "কলা"];

  for (String fruit in fruits) {

    if (fruit == "কমলা") {
      continue;
    }

    print(fruit);
  }
}

void main() {
    String grade = "A";

    switch (grade) {

        case "A":
        case "B":
            print("ভালো");
            break;

        default:
            print("চেষ্টা করো");
    }
}

void main() {
    String grade = "C";

    switch (grade) {

        case "A":
        case "B":
            print("ভালো");
            break;

        default:
            print("চেষ্টা করো");
    }
}