Ipsator Senior Software Developer interview questions

Explain the difference between BlocBuilder, BlocListener, BlocConsumer, and BlocSelector. What is the difference between Future and Stream in Dart? Explain Flutter's Widget Tree, Element Tree, and Render Object Tree. What is the purpose of the mounted property in Flutter? How would you implement push notifications for a specific audience using Firebase? Explain abstraction and inheritance in Dart with examples. What are Flutter lifecycle methods and how are they affected by screen rotation? Explain state management approaches such as BLoC and Riverpod. What is technical debt and how do you manage it in a project? Describe a challenging issue you faced in a Flutter application and how you resolved it.