Quiz

// 10 questions. Pass: >= 7.

// ===== Q1 =====
// What is the difference between StatelessWidget and StatefulWidget?
// A) StatefulWidget can rebuild based on internal state via setState
// B) StatelessWidget cannot have children
// C) StatefulWidget runs only in debug mode
// D) None of the above

// ===== Q2 =====
// What does 'const' do for widget constructors?
// A) Makes them immutable at compile time + reuses the same widget instance
// B) Marks them deprecated
// C) Required for all widgets
// D) Disables hot reload

// ===== Q3 =====
// For a long lazy list, you should use:
// A) Column with .map()
// B) ListView.builder
// C) Wrap
// D) GridView.count

// ===== Q4 =====
// When does setState() rebuild the widget?
// A) Immediately
// B) On the next frame
// C) Only in release mode
// D) Never

// ===== Q5 =====
// To make a widget fill remaining space in a Row / Column, use:
// A) Padding
// B) Expanded
// C) Center
// D) Container with width: double.infinity

// ===== Q6 =====
// What is a Key for in Flutter?
// A) Identifies a widget so Flutter can preserve state across rebuilds
// B) Encryption
// C) Required for all widgets
// D) Animation timing

// ===== Q7 =====
// Which navigation package is recommended in 2026?
// A) Navigator 1.0
// B) go_router or auto_route
// C) WebView
// D) No package — use raw routes

// ===== Q8 =====
// Best for global theming + dark mode:
// A) ThemeData on MaterialApp + Brightness
// B) Hard-coded colours everywhere
// C) inheritedWidget per screen
// D) CSS files

// ===== Q9 =====
// Which state-management library is recommended?
// A) Provider, Riverpod, Bloc, or GetX (pick one per app)
// B) setState only
// C) Custom global variables
// D) Singleton pattern

// ===== Q10 =====
// 'flutter pub get' does:
// A) Tests the app
// B) Installs dependencies from pubspec.yaml
// C) Builds for release
// D) Generates SHA hashes

// ===== Answers =====
// 1. A   2. A   3. B   4. B   5. B   6. A   7. B   8. A   9. A   10. B

// ===== Patterns to internalise =====
// - const constructors everywhere they fit
// - ListView.builder for lazy lists
// - Expanded / Flexible for proportional sizing
// - Keys for preserving state in reorderable lists
// - One state lib per app
// - ThemeData + Brightness for dark mode

// 3 questions per lesson.