State Management interview questions

18 State Management questions from the Flutter bank, written for Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd.

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1. What is setState?

Junior
  1. A.a lightweight observable holding a single value that notifies listeners when it is reassigned
  2. B.a method that marks a State dirty and schedules a rebuild after you mutate local data
  3. C.a pattern separating presentation from logic by mapping incoming events to outgoing states through streams
  4. D.a package wrapping inherited widgets to expose and listen to objects placed above in the tree

Answer + AI explanation with Pro

2. Which term means: "a method that marks a State dirty and schedules a rebuild after you mutate local data"?

Junior
  1. A.BLoC
  2. B.InheritedWidget
  3. C.setState
  4. D.Riverpod

Answer + AI explanation with Pro

3. Which statement is correct?

Junior
  1. A.setState — a method that marks a State dirty and schedules a rebuild after you mutate local data
  2. B.setState — a pattern separating presentation from logic by mapping incoming events to outgoing states through streams
  3. C.setState — a lightweight observable holding a single value that notifies listeners when it is reassigned
  4. D.setState — the low-level mechanism that propagates data down the tree and rebuilds dependents when its value changes

Answer + AI explanation with Pro

4. What is Provider?

Mid
  1. A.a pattern separating presentation from logic by mapping incoming events to outgoing states through streams
  2. B.a method that marks a State dirty and schedules a rebuild after you mutate local data
  3. C.the low-level mechanism that propagates data down the tree and rebuilds dependents when its value changes
  4. D.a package wrapping inherited widgets to expose and listen to objects placed above in the tree

Answer + AI explanation with Pro

5. Which term means: "a package wrapping inherited widgets to expose and listen to objects placed above in the tree"?

Mid
  1. A.ValueNotifier
  2. B.setState
  3. C.Provider
  4. D.InheritedWidget

Answer + AI explanation with Pro

6. Which statement is correct?

Mid
  1. A.Provider — a pattern separating presentation from logic by mapping incoming events to outgoing states through streams
  2. B.Provider — the low-level mechanism that propagates data down the tree and rebuilds dependents when its value changes
  3. C.Provider — a lightweight observable holding a single value that notifies listeners when it is reassigned
  4. D.Provider — a package wrapping inherited widgets to expose and listen to objects placed above in the tree

Answer + AI explanation with Pro

7. What is Riverpod?

Senior
  1. A.a pattern separating presentation from logic by mapping incoming events to outgoing states through streams
  2. B.a method that marks a State dirty and schedules a rebuild after you mutate local data
  3. C.a compile-safe rewrite of the provider pattern that declares shared state outside the tree without needing a context
  4. D.a lightweight observable holding a single value that notifies listeners when it is reassigned

Answer + AI explanation with Pro

8. Which term means: "a compile-safe rewrite of the provider pattern that declares shared state outside the tree without needing a context"?

Senior
  1. A.ValueNotifier
  2. B.InheritedWidget
  3. C.Provider
  4. D.Riverpod

Answer + AI explanation with Pro

9. Which statement is correct?

Senior
  1. A.Riverpod — a lightweight observable holding a single value that notifies listeners when it is reassigned
  2. B.Riverpod — a compile-safe rewrite of the provider pattern that declares shared state outside the tree without needing a context
  3. C.Riverpod — the low-level mechanism that propagates data down the tree and rebuilds dependents when its value changes
  4. D.Riverpod — a method that marks a State dirty and schedules a rebuild after you mutate local data

Answer + AI explanation with Pro

10. What is BLoC?

Senior
  1. A.the low-level mechanism that propagates data down the tree and rebuilds dependents when its value changes
  2. B.a lightweight observable holding a single value that notifies listeners when it is reassigned
  3. C.a method that marks a State dirty and schedules a rebuild after you mutate local data
  4. D.a pattern separating presentation from logic by mapping incoming events to outgoing states through streams

Answer + AI explanation with Pro

11. Which term means: "a pattern separating presentation from logic by mapping incoming events to outgoing states through streams"?

Senior
  1. A.Riverpod
  2. B.setState
  3. C.InheritedWidget
  4. D.BLoC

Answer + AI explanation with Pro

12. Which statement is correct?

Senior
  1. A.BLoC — a lightweight observable holding a single value that notifies listeners when it is reassigned
  2. B.BLoC — a pattern separating presentation from logic by mapping incoming events to outgoing states through streams
  3. C.BLoC — a method that marks a State dirty and schedules a rebuild after you mutate local data
  4. D.BLoC — the low-level mechanism that propagates data down the tree and rebuilds dependents when its value changes

Answer + AI explanation with Pro

13. What is InheritedWidget?

Mid
  1. A.a package wrapping inherited widgets to expose and listen to objects placed above in the tree
  2. B.a pattern separating presentation from logic by mapping incoming events to outgoing states through streams
  3. C.a compile-safe rewrite of the provider pattern that declares shared state outside the tree without needing a context
  4. D.the low-level mechanism that propagates data down the tree and rebuilds dependents when its value changes

Answer + AI explanation with Pro

14. Which term means: "the low-level mechanism that propagates data down the tree and rebuilds dependents when its value changes"?

Mid
  1. A.InheritedWidget
  2. B.Riverpod
  3. C.ValueNotifier
  4. D.BLoC

Answer + AI explanation with Pro

15. Which statement is correct?

Mid
  1. A.InheritedWidget — a method that marks a State dirty and schedules a rebuild after you mutate local data
  2. B.InheritedWidget — a pattern separating presentation from logic by mapping incoming events to outgoing states through streams
  3. C.InheritedWidget — a compile-safe rewrite of the provider pattern that declares shared state outside the tree without needing a context
  4. D.InheritedWidget — the low-level mechanism that propagates data down the tree and rebuilds dependents when its value changes

Answer + AI explanation with Pro

16. What is ValueNotifier?

Mid
  1. A.a compile-safe rewrite of the provider pattern that declares shared state outside the tree without needing a context
  2. B.a package wrapping inherited widgets to expose and listen to objects placed above in the tree
  3. C.a pattern separating presentation from logic by mapping incoming events to outgoing states through streams
  4. D.a lightweight observable holding a single value that notifies listeners when it is reassigned

Answer + AI explanation with Pro

17. Which term means: "a lightweight observable holding a single value that notifies listeners when it is reassigned"?

Mid
  1. A.Provider
  2. B.ValueNotifier
  3. C.Riverpod
  4. D.setState

Answer + AI explanation with Pro

18. Which statement is correct?

Mid
  1. A.ValueNotifier — a method that marks a State dirty and schedules a rebuild after you mutate local data
  2. B.ValueNotifier — a lightweight observable holding a single value that notifies listeners when it is reassigned
  3. C.ValueNotifier — a package wrapping inherited widgets to expose and listen to objects placed above in the tree
  4. D.ValueNotifier — a pattern separating presentation from logic by mapping incoming events to outgoing states through streams

Answer + AI explanation with Pro

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