3806 interview questions for developers (2025)

88 votes3506 runs5 comments

40 votes2757 runs0 comment

37 votes3208 runs4 comments

31 votes1650 runs1 comment

29 votes3376 runs2 comments

28 votes5607 runs0 comment

Victor Sabatierat Jan 4, 2022

28 votes1744 runs1 comment

25 votes5602 runs1 comment

Victor Sabatierat Jan 4, 2022

25 votes2591 runs

Pierreat Sep 19, 2022

23 votes3338 runs

Camilleat Apr 27, 2023

21 votes2015 runs0 comment

Théoat Mar 28, 2022

20 votes1649 runs1 comment

Léoat Mar 29, 2022

19 votes2714 runs0 comment

19 votes561 runs1 comment

authentication

Damienat Sep 6, 2023

18 votes1203 runs0 comment

machine learning

missing data

Martinat Apr 4, 2022

17 votes2730 runs0 comment

17 votes1982 runs0 comment

16 votes3164 runs0 comment

control flow

Thomas De verdièreat Dec 16, 2021

16 votes2694 runs0 comment

16 votes2641 runs1 comment

3806 interview questionsfor developers (2025)

Test your developer skills before an interview with 3806 corrected questions on 80+ topics. Beginner, Intermediate or Expert level.

3806 interview questionsfor developers (2025)

Test your developer skills before an interview with 3806 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.

Create a form with two mandatory fields in Angular

Write the non-JSX equivalent of the following code:

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

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

Write a Java program that prints 'welovedev'.

Fix the following Javascript loop:

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

What is TypeScript?

Select only distinct values in a column using SQL

What is the purpose of the Laravel Sanctum tool?

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

Write a SQL query to insert data into a table

List the different build modes in Flutter

How many times is the condition `(a++ < 15)` evaluated in the following code? ```java int a = 3; while (a++ < 15) { if ((a++ % 5) == 0) break; } ```

Which SQL keyword is used to sort the result of a SELECT statement?

Update a column in an SQL table