1750 interview questions for Software integrator (2026)

Medium

118 votes4623 runs

6 comments

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

Web developer

Vincent Cotroat Jan 18, 2024

Easy

54 votes3719 runs0 comment

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

Back-end developer

sql

select

where

Vincent Cotroat Mar 30, 2023

Easy

50 votes4241 runs4 comments

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

Web developer

promises

async

Vincent Cotroat Mar 28, 2023

Easy

43 votes2264 runs1 comment

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

Back-end developer

recursion

Vincent Cotroat Mar 28, 2023

Easy

39 votes2331 runs1 comment

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

Back-end developer

functions

errors

Vincent Cotroat Mar 24, 2023

Easy

38 votes3306 runs

13 comments

Write a Java program that prints 'welovedev'.

Full stack developer

strings

variables

Pierreat Sep 19, 2022

Easy

32 votes4328 runs

2 comments

Fix the following Javascript loop:

Web developer

loops

conditions

Anonymous authorat Apr 27, 2023

Hard

27 votes2633 runs

1 comment

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

Back-end developer

list

for loop

Anonymous authorat Mar 28, 2022

Easy

26 votes950 runs1 comment

What is the purpose of the Laravel Sanctum tool?

Web developer

laravel

authentication

Damienat Sep 6, 2023

Easy

21 votes3682 runs0 comment

Write a SQL query to insert data into a table

Back-end developer

sql

insert

Vincent Cotroat Mar 27, 2023

Easy

21 votes3667 runs0 comment

Select only distinct values in a column using SQL

Back-end developer

sql

distinct

Vincent Cotroat Mar 27, 2023

Easy

19 votes3576 runs1 comment

Update a column in an SQL table

Back-end developer

sql

update

Vincent Cotroat Nov 7, 2023

Hard

17 votes3645 runs

1 comment

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; } ```

Back-end developer

loops

control flow

Thomas De verdièreat Dec 16, 2021

Easy

17 votes3643 runs0 comment

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

Back-end developer

sql

order by

Vincent Cotroat Mar 27, 2023

Easy

17 votes3201 runs

2 comments

How should a package be named in Java?

Full stack developer

packages

java

Pierreat Sep 19, 2022

Medium

17 votes3014 runs2 comments

A bean with a `session` scope is injected into a bean with a` singleton` scope. What happens when the application starts?

Back-end developer

spring

scope

Anonymous authorat Dec 21, 2021

Medium

17 votes2972 runs0 comment

Explain the prototype scope in Spring

Back-end developer

spring

bean

Anonymous authorat Dec 21, 2021

Easy

16 votes3744 runs1 comment

What is the minimum PHP version for Symfony 5?

Back-end developer

php

symfony

Smaïne Millaniat Dec 3, 2021

Medium

16 votes993 runs0 comment

What is the best practice to apply in your code to improve the performance of your application?

Back-end developer

performance

gzip

Vincent Cotroat Nov 15, 2023

Medium

15 votes2978 runs0 comment

Which of the following statements are true ?

Back-end developer

functions

variables

Anonymous authorat Mar 28, 2022

1750 interview questionsfor Software integrator (2026)

Test your technical skills before an interview of Software integrator with 1750 corrected questions. 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 a Java program that prints 'welovedev'.

Fix the following Javascript loop:

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

What is the purpose of the Laravel Sanctum tool?

Write a SQL query to insert data into a table

Select only distinct values in a column using SQL

Update a column in an SQL table

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?

How should a package be named in Java?

A bean with a `session` scope is injected into a bean with a` singleton` scope. What happens when the application starts?

Explain the prototype scope in Spring

What is the minimum PHP version for Symfony 5?

What is the best practice to apply in your code to improve the performance of your application?

Which of the following statements are true ?