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44 interview questionsfor developers (2025)

Test your developer skills before an interview with 44 corrected questions on 80+ topics. Beginner, Intermediate or Expert level.

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44 questions
Hard
8 votes542 runs2 comments

How flexbox works in React Native?

Mobile developer
flexbox
react native
Davidat Sep 6, 2023
Hard
4 votes484 runs
1 comment

Write a React Native animation that spins an image.

Mobile developer
react native
animation
component
Victor Sabatierat Dec 2, 2021
Expert
4 votes472 runs1 comment

How to define a component in React Native?

Mobile developer
react
react-native
components
Davidat Sep 6, 2023
Easy
2 votes514 runs0 comment

What is the output of the following code? const App = () => { const [count, setCount] = useState(0); return ({ <Text> The count is {count} </Text> <Button onPress={() => setCount(count + 1)}> Increase </Button> }); }; export default App;

Mobile developer
react native
state
Victor Sabatierat Dec 2, 2021
Medium
2 votes505 runs1 comment

How to navigate between screens in React Native

Mobile developer
react-navigation
navigation
Davidat Mar 15, 2024
Easy
2 votes488 runs0 comment

Create a button in React Native

Mobile developer
react-native
button
components
Davidat Sep 6, 2023
Easy
2 votes451 runs0 comment

What is the bundler used in React Native?

Mobile developer
bundler
react native
Davidat Sep 6, 2023
Hard
2 votes424 runs0 comment

Which of the following code snippets will print 'Hello World' to the console?

Mobile developer
react native
state
Victor Sabatierat Dec 2, 2021
Easy
2 votes382 runs0 comment

How to use StyleSheet in React Native

Mobile developer
react native
style
Victor Sabatierat Nov 30, 2021
Easy
2 votes129 runs0 comment

What is the purpose of the "useState" hook in React Native?

Mobile developer
state
component
salimat Jan 30, 2025
Medium
1 vote484 runs1 comment

Style a component with multiple objects in React Native

Mobile developer
react
react-native
style
Davidat Sep 6, 2023
Easy
1 vote459 runs0 comment

How to handle the keyboard with `TextInput` and submit `Button` in React Native

Mobile developer
react native
keyboard
input
Davidat Sep 6, 2023
Easy
1 vote443 runs
1 comment

Create an email input for your login screen in React Native

Mobile developer
react-native
input
email
Davidat Sep 6, 2023
Expert
1 vote402 runs0 comment

I can launch the debugger in Chrome from my app, I run `react-native log-ios` from my command line

Mobile developer
react native
debugging
Victor Sabatierat Dec 2, 2021
Easy
1 vote401 runs0 comment

List the core components of React Native

Mobile developer
components
react native
Davidat Sep 6, 2023
Medium
1 vote371 runs1 comment

Which of the following snippets are valid JSX?

Mobile developer
react
jsx
Romainat Jan 7, 2022
Medium
1 vote316 runs1 comment

How many days should you consider to release version 1.0.0 of your app to the stores?

Mobile developer
release
version
Dragon parfaitat Mar 15, 2024
Easy
1 vote230 runs0 comment

Write platform specific code for iOS and Android in React Native

Mobile developer
react-native
platform
conditionals
Davidat Sep 6, 2023
Hard
1 vote74 runs0 comment

How to set the background color of a View in React Native

Mobile developer
react native
style
Fedi Sarrayat Oct 25, 2021
Easy
0 vote519 runs
3 comments

Can you use React components in React Native?

Mobile developer
react
react native
Davidat Sep 6, 2023