import "package:flutter/material.dart";

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {

  @override
  Widget build(BuildContext context) {

    return MaterialApp(title : "Exemplo 1",
      home : Scaffold(
        body : Center(
          child : Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children : [
              Text("Filho1"),
              Divider(),
              Text("Filho2"),
              Divider(),
              Text("Filho3")
            ]
          )
        )
      )
    );
  }
}