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React Native interview questions

React Native interview questions.

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  • 1.

    What are native apps?

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  • 2.

    List some benefits of using React Native for building mobile apps?

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  • 3.

    Why do we use curly brace while importing some library?

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  • 4.

    What are the advantages of hybrid apps over native apps?

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  • 5.

    What are hybrid apps?

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  • 6.

    What is React Native?

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  • 7.

    How do you dismiss the keyboard in react native?

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  • 8.

    What is JSX?

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  • 9.

    What are props in React Native?

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  • 10.

    Tell us some options of storing persisting data in a react native app?

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  • 11.

    Will this piece of code work?

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  • 12.

    What are the advantages of native apps over hybrid apps?

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  • 13.

    What are Refs used for in React Native?

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  • 14.

    What are the types of data that control a component?

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  • 15.

    What does the Gesture Responder System do?

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  • 16.

    What determines the size of a component and what are the ways?

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  • 17.

    What are some ways of styling a react native component?

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  • 18.

    What are components?

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  • 19.

    When would you use ScrollView over FlatList or vice-versa?

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  • 20.

    How is React Native different from ReactJs?

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  • 21.

    What will be the output of following snippet?

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  • 22.

    How do you check if the react native app is in debug or release build?

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  • 23.

    Explain the use of Flexbox in React Native?

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  • 24.

    What is flex dimension and how is it different from fixed dimension?

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  • 25.

    How are props and state different?

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  • 26.

    What happens if you edit modules with exports that aren't React components in Fast Refresh?

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  • 27.

    How is flexbox different in React Native and browser?

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  • 28.

    How are Hot Reloading and Live Reloading in React Native different?

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  • 29.

    What is AppRegistry? Why is it required early in "require" sequence?

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  • 30.

    What does StyleSheet.create do and why is it useful?

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  • 31.

    How do you re-render a FlatList?

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  • 32.

    What is the use of ScrollView component?

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  • 33.

    In Fast Refresh, what will happen if you edit files imported by modules outside of the React Tree?

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  • 34.

    What are some best practices to consider for an action?

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  • 35.

    What is Lifting State Up?

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  • 36.

    What happens if you edit a module that only exports React components in Fast Refresh?

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  • 37.

    What is the use of FlatList?

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  • 38.

    What is State in react native?

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  • 39.

    What are Touchable Interactions in React Native?

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  • 40.

    What is "Fast Refresh"?

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  • 41.

    How do you style a component in react native?

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  • 42.

    How do you perform logging in React native?

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  • 43.

    What does TouchableHighlight do and when do you use it?

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  • 44.

    What is View and how important is it?

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  • 45.

    What is "autolinking" in react-native?

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  • 46.

    What are some features of Fast Refresh?

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  • 47.

    How to fetch data from local JSON file on React Native?

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  • 48.

    What is Component Driven Development (CDD)?

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  • 49.

    What are Container/Smart components?

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  • 50.

    What are Presentational/Dumb Components?

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  • 51.

    What does React Native Packager do in the React Native?

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  • 52.

    What is Higher Order Component or HOC?

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  • 53.

    What JavaScript engine does React native use?

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  • 54.

    Are libraries such as TypeScript that compile to JavaScript compatible with React Naive?

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  • 55.

    What are features of presentational/dumb components?

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  • 56.

    Differentiate ScrollView and FlatList?

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  • 57.

    How would you implement animations on events?

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  • 58.

    How many threads run in a React Native app?

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  • 59.

    State the lifecycle of Gesture Responder System?

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  • 60.

    What are the features of Container/Smart components?

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  • 61.

    What are some limitations of using react-native-cli for instantiating a project?

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  • 62.

    What is AsyncStorage and how do you use it?

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  • 63.

    What are some advantages of Component Driven Development?

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  • 64.

    Does React Native compile JavaScript into Java for Android?

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  • 65.

    How does the Fabric architecture work?

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  • 66.

    What are some benefits of Container-Presentational pattern?

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  • 67.

    What is InteractionManager and how is it used?

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  • 68.

    What is wrong with this code for querying a native API?

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  • 69.

    What is Fabric in React Native?

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  • 70.

    Does React Native have a Virtual DOM?

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  • 71.

    How is InteractionManager important?

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  • 72.

    What are the disadvantages of StyleSheet.create?

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A database is an organized collection of data, generally stored and accessed electronically from a computer system. Where databases are more complex they are often developed using formal design and modeling techniques. Here is a list of coding interview questions on Databases to help you g...

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21 Concurrency interview questions and answers for software engineers

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