Merge pull request #61 from rosera/tastethedream-patch-59

Update ex11-5.md

ch11/ex11-5.md

@@ -3,4 +3,42 @@
 # Example
 
 ```dart
+
+import 'package:flutter/material.dart';
+
+void main() {
+  runApp(const MyApp());
+}
+
+class MyApp extends StatelessWidget {
+  const MyApp({Key? key}) : super(key: key);
+  @override
+  Widget build(BuildContext context) {
+    const paramTitle = 'My Title';
+    const paramName = 'My Name';
+    return MaterialApp(
+      title: paramTitle,
+      home: Scaffold(
+        appBar: AppBar(
+          title: const Text(paramTitle),
+        ),
+        body: const MyTextWidget(name: paramName, title: paramTitle),
+      ),
+    );
+  }
+}
+
+class MyTextWidget extends StatelessWidget {
+  final String title;
+  final String name;
+  const MyTextWidget({Key? key, required this.title, required this.name})
+      : super(key: key);
+  @override
+  Widget build(BuildContext context) {
+    return Center(
+      child: Text("$title $name"),
+    );
+  }
+}
+
 ```