sample_dart_parallel_async_calls.dart

// Sample Dart code for making parallel async calls.

void main() {
  Future.wait([firstAsync(), secondAsync(), thirdAsync()])
      .then((List responses) => print("All tasks are done"))
      .catchError((e) => print(e));
}


Future firstAsync() async {
  print("firstAsync started");
  await Future<String>.delayed(const Duration(seconds: 3));
  print("firstAsync DONE");
}


Future secondAsync() async {
  print("secondAsync started");
  await Future<String>.delayed(const Duration(seconds: 3));
  print("secondAsync DONE");
}


Future thirdAsync() async {
  print("thirdAsync started");
  await Future<String>.delayed(const Duration(seconds: 3));
  print("thirdAsync DONE");
}