Basic structure MaterialApp

 import "package:flutter/material.dart";


///   1st way Implementation
void main() {
  runApp(
    MaterialApp(
      debugShowCheckedModeBanner: false,
      home: Scaffold(
        body: Center(
          child: SampleCheck(),
        ),
      ),
    ),
  );
}
class SampleCheck extends StatelessWidget {
  const SampleCheck({super.key});

  @override
  Widget build(BuildContext context) {
    return Container(
        child: Center(
            child: Text("Hello World!!",
              style: TextStyle(fontWeight: FontWeight.bold,
              fontSize: 50,
              color: Colors.brown),),),
      );
  }
}

///   2nd Way Implementation
// void main() {
//   runApp(FlutterApp(),);
// }
// class FlutterApp extends StatelessWidget {
//   const FlutterApp({super.key});
//
//   @override
//   Widget build(BuildContext context) {
//     return MaterialApp(
//       title: "Sample Flutter MaterialApp",
//       debugShowCheckedModeBanner: false,
//       theme: ThemeData(
//         primarySwatch: Colors.brown,
//       ),
//       home: SampleMaterial(),
//     );
//   }
// }
// class SampleMaterial extends StatelessWidget {
//   const SampleMaterial({super.key});
//
//   @override
//   Widget build(BuildContext context) {
//     return Scaffold(
//       appBar: AppBar(
//         title: const Text("Demo MaterialApp"),
//       ),
//       body: Container(
//         child: const Center(
//           child: Text("Hello World!!",
//           style: TextStyle(fontWeight: FontWeight.bold,
//           fontSize: 50,),),
//         ),
//       ),
//     );
//   }
// }

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