3820 interview questions for developers (2025)

98 votes3864 runs5 comments

45 votes3105 runs0 comment

43 votes3540 runs4 comments

34 votes1847 runs1 comment

33 votes1959 runs1 comment

31 votes5913 runs

Victor Sabatierat Jan 4, 2022

30 votes3579 runs2 comments

28 votes2844 runs

Pierreat Sep 19, 2022

27 votes3653 runs

Camilleat Apr 27, 2023

25 votes5897 runs1 comment

Victor Sabatierat Jan 4, 2022

23 votes1827 runs1 comment

Léoat Mar 29, 2022

22 votes717 runs1 comment

authentication

Damienat Sep 6, 2023

21 votes2227 runs0 comment

Théoat Mar 28, 2022

19 votes3059 runs0 comment

18 votes4659 runs

18 votes2075 runs0 comment

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machine learning

missing data

Martinat Apr 4, 2022

17 votes3078 runs0 comment

17 votes2980 runs1 comment

16 votes6049 runs

3820 interview questionsfor developers (2025)

Test your developer skills before an interview with 3820 corrected questions on 80+ topics. Beginner, Intermediate or Expert level.

3820 interview questionsfor developers (2025)

Test your developer skills before an interview with 3820 corrected questions on 80+ topics. Beginner, Intermediate or Expert level.

Understanding the differences between `map()` and `forEach()` methods in JavaScript

Write a SQL query to retrieve the list of employees with a salary greater than 5100.

Write a JavaScript function that fetches data from an API and logs it to the console.

Write a Python function that returns the factorial of a number.

Explain the difference between the `include` and `require` functions in PHP.

Write the non-JSX equivalent of the following code:

Create a form with two mandatory fields in Angular

Write a Java program that prints 'welovedev'.

Fix the following Javascript loop:

Write the missing code to render the children of the UserProfile component.

What is TypeScript?

What is the purpose of the Laravel Sanctum tool?

Write a Python function that prints the elements of a list.

Select only distinct values in a column using SQL

Call a function on the first render of a React component

List the different build modes in Flutter

How to handle missing data in a given training data set ?

Write a SQL query to insert data into a table

Update a column in an SQL table

Write a React component as a function