Answer: The delegate pattern allows one object to act on behalf of or in coordination with another. For example, UITableView has a delegate property that conforms to UITableViewDelegate . The view controller implements methods like didSelectRowAt to handle row selection without subclassing UITableView . 15. Compare and contrast SQLite and Room Persistence Library for local data storage in Android. When would you use one over the other?
a) SQLite Database b) Internal Storage c) SharedPreferences ✅ d) Room Database mobile application development exam questions and answers
a) Kotlin b) Java c) Swift ✅ d) Dart
a) Model-View-Controller ✅ b) Module-View-Controller c) Model-View-Component d) Main-View-Controller Answer: The delegate pattern allows one object to
a) onResume() b) onStart() c) onRestart() d) onRedraw() ✅ a) SQLite Database b) Internal Storage c) SharedPreferences
1. Which Android component is an entry point that runs in the background without a user interface? a) Activity b) Service ✅ c) Content Provider d) Broadcast Receiver