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Kellton Flutter Developer Interview Questions and Answers

Updated 16 Jul 2022

Kellton Flutter Developer Interview Experiences

1 interview found

I applied via LinkedIn and was interviewed before Jul 2021. There was 1 interview round.

Round 1 - One-on-one 

(3 Questions)

  • Q1. Difference between stateless and stateful widget.
  • Ans. 

    Stateless widgets are immutable and don't change over time. Stateful widgets can change their state over time.

    • Stateless widgets are used for displaying static content.

    • Stateful widgets are used for displaying dynamic content.

    • Stateless widgets are faster and consume less memory than stateful widgets.

    • Stateful widgets have a State object that stores mutable state.

    • Examples of stateless widgets include Text, Icon, and Image.

    • ...

  • Answered by AI
  • Q2. Lifecycle of stateful widget.
  • Ans. 

    Stateful widget goes through various stages during its lifecycle.

    • Stateful widget is created using createState() method.

    • When the widget is inserted into the widget tree, initState() method is called.

    • When the widget is updated, didUpdateWidget() method is called.

    • When the widget is removed from the widget tree, dispose() method is called.

    • build() method is called whenever the widget needs to be rebuilt.

  • Answered by AI
  • Q3. What is setState in stateful widget?
  • Ans. 

    setState is a method used in stateful widgets to update the state of the widget and trigger a rebuild of the UI.

    • setState is called with a callback function that updates the state variables.

    • The callback function is executed asynchronously.

    • The new state values are merged with the old state values.

    • The widget is rebuilt with the updated state values.

  • Answered by AI

Interview Preparation Tips

Topics to prepare for Kellton Flutter Developer interview:
  • Flutter
  • Dart
Interview preparation tips for other job seekers - They ask very basic questions on flutter. Just go through some theoretical questions before interview, that's it.

Skills evaluated in this interview

Flutter Developer Jobs at Kellton

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Kellton Interview FAQs

How many rounds are there in Kellton Flutter Developer interview?
Kellton interview process usually has 1 rounds. The most common rounds in the Kellton interview process are One-on-one Round.
How to prepare for Kellton Flutter Developer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Kellton. The most common topics and skills that interviewers at Kellton expect are JSON, Android, DBMS, Animation and Data Structures and Algorithms.
What are the top questions asked in Kellton Flutter Developer interview?

Some of the top questions asked at the Kellton Flutter Developer interview -

  1. what is setState in stateful widg...read more
  2. Difference between stateless and stateful widg...read more
  3. Lifecycle of stateful widg...read more

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Flutter Developer

Gurgaon / Gurugram

3-7 Yrs

Not Disclosed

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