1686 interview questions for IT Architect (2024)

Hard

53 votes2542 runs4 comments

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

Web developer

Vincent Cotroat Jan 18, 2024

Medium

28 votes2339 runs3 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

26 votes1144 runs1 comment

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

Back-end developer

recursion

Vincent Cotroat Mar 28, 2023

Easy

21 votes1300 runs1 comment

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

Back-end developer

functions

errors

Vincent Cotroat Mar 24, 2023

Easy

18 votes2073 runs4 comments

Write a Java program that prints 'welovedev'.

Full stack developer

strings

variables

Pierreat Sep 19, 2022

Easy

16 votes2498 runs1 comment

Fix the following Javascript loop:

Web developer

loops

conditions

Camilleat Apr 27, 2023

Hard

14 votes1499 runs0 comment

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

Back-end developer

list

for loop

Théoat Mar 28, 2022

Easy

13 votes1468 runs0 comment

Is the following code valid? class Person { constructor(name, age) { this.name = name; this.age = age; } } const person = new Person('John', 20); console.log(person.name); console.log(person.age);

IT Architect

OOP

javascript

undefined

Eric Hostaleryat Dec 3, 2021

Hard

12 votes2805 runs0 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

Medium

12 votes2353 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

12 votes2280 runs0 comment

Explain the prototype scope in Spring

Back-end developer

spring

bean

Anonymous authorat Dec 21, 2021

Easy

11 votes3427 runs1 comment

What is the minimum PHP version for Symfony 5?

Back-end developer

php

symfony

Smaïne Millaniat Dec 3, 2021

Easy

11 votes336 runs1 comment

What is the purpose of the Laravel Sanctum tool?

Web developer

laravel

authentication

Damienat Sep 6, 2023

Easy

9 votes3011 runs1 comment

The certificate variable is not attainable outside the if loop

Web developer

variables

scope

Kahinaat Apr 6, 2022

Hard

9 votes2772 runs0 comment

A monitor in Java

Back-end developer

java

thread

Thomas De verdièreat Jan 4, 2022

Expert

9 votes807 runs0 comment

How to define a global variable with Node.js?

Back-end developer

variables

node.js

Jean-marie Cléryat May 11, 2022

Medium

8 votes3243 runs1 comment

What is the signature of `Kernel :: terminate()` in Symfony?

Back-end developer

symfony

kernel

Smaïne Millaniat Apr 10, 2024

Hard

8 votes2876 runs0 comment

A Customer class has the com.company.model package.

Back-end developer

inheritance

package

Thomas De verdièreat Jan 4, 2022

Easy

8 votes2854 runs2 comments

Use spread operator to split an array into two arrays in Javascript

Web developer

array

spread operator

Kahinaat Jul 19, 2024

Hard

8 votes2703 runs0 comment

How many instance of Integer cannot be freed from memory?

Back-end developer

array

memory

Thomas De verdièreat Dec 16, 2021

1686 interview questionsfor IT Architect (2024)

Test your technical skills before an interview of IT Architect with 1686 corrected questions. Beginner, Intermediate or Expert level.

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

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.

Is the following code valid? class Person { constructor(name, age) { this.name = name; this.age = age; } } const person = new Person('John', 20); console.log(person.name); console.log(person.age);

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; } ```

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 purpose of the Laravel Sanctum tool?

The certificate variable is not attainable outside the if loop

A monitor in Java

How to define a global variable with Node.js?

What is the signature of `Kernel :: terminate()` in Symfony?

A Customer class has the com.company.model package.

Use spread operator to split an array into two arrays in Javascript

How many instance of Integer cannot be freed from memory?