1690 interview questions for IT Architect (2024)

Medium

61 votes2721 runs4 comments

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

Web developer

Vincent Cotroat Jan 18, 2024

Easy

28 votes2502 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

28 votes1239 runs1 comment

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

Back-end developer

recursion

Vincent Cotroat Mar 28, 2023

Easy

21 votes1377 runs1 comment

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

Back-end developer

functions

errors

Vincent Cotroat Mar 24, 2023

Easy

20 votes2206 runs

6 comments

Write a Java program that prints 'welovedev'.

Full stack developer

strings

variables

Pierreat Sep 19, 2022

Easy

19 votes2662 runs1 comment

Fix the following Javascript loop:

Web developer

loops

conditions

Camilleat Apr 27, 2023

Medium

15 votes2349 runs0 comment

Explain the prototype scope in Spring

Back-end developer

spring

bean

Anonymous authorat Dec 21, 2021

Hard

15 votes1598 runs0 comment

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

Back-end developer

list

for loop

Théoat Mar 28, 2022

Hard

13 votes2873 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

Easy

13 votes1485 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

Easy

13 votes375 runs1 comment

What is the purpose of the Laravel Sanctum tool?

Web developer

laravel

authentication

Damienat Sep 6, 2023

Easy

12 votes3464 runs1 comment

What is the minimum PHP version for Symfony 5?

Back-end developer

php

symfony

Smaïne Millaniat Dec 3, 2021

Medium

12 votes2422 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

Easy

10 votes3167 runs

3 comments

The certificate variable is not attainable outside the if loop

Web developer

variables

scope

Kahinaat Apr 6, 2022

Hard

10 votes2845 runs0 comment

A monitor in Java

Back-end developer

java

thread

Thomas De verdièreat Jan 4, 2022

Expert

10 votes833 runs0 comment

How to define a global variable with Node.js?

Back-end developer

variables

node.js

Jean-marie Cléryat May 11, 2022

Easy

10 votes390 runs0 comment

How to declare a class as a controller in Nest.js

Back-end developer

Nest

decorators

Axelat Sep 6, 2023

Easy

9 votes3013 runs2 comments

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

Web developer

array

spread operator

Kahinaat Jul 19, 2024

Hard

9 votes2870 runs1 comment

Serialization can be customized with the Externalizable interface

Back-end developer

serialization

interface

Thomas De verdièreat Jan 4, 2022

Easy

9 votes2142 runs0 comment

How should a package be named in Java?

Full stack developer

packages

java

Pierreat Sep 19, 2022

1690 interview questionsfor IT Architect (2024)

Test your technical skills before an interview of IT Architect with 1690 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:

Explain the prototype scope in Spring

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

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; } ```

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);

What is the purpose of the Laravel Sanctum tool?

What is the minimum PHP version for Symfony 5?

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

The certificate variable is not attainable outside the if loop

A monitor in Java

How to define a global variable with Node.js?

How to declare a class as a controller in Nest.js

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

Serialization can be customized with the Externalizable interface

How should a package be named in Java?