import 'package:flutter/material.dart';
void main() => runApp(MyApp());
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Welcome to Flutter',
home: Scaffold (
appBar: AppBar(
title: Text('Welcome Flutter')
),
body: Center(
child: Text('hello world'),
),
),
);
}
}