1688 interview questions for IT Architect (2024)

Medium

58 votes2653 runs4 comments

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

Web developer

Vincent Cotroat Jan 18, 2024

Medium

28 votes2440 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

27 votes1206 runs1 comment

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

Back-end developer

recursion

Vincent Cotroat Mar 28, 2023

Easy

21 votes1354 runs1 comment

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

Back-end developer

functions

errors

Vincent Cotroat Mar 24, 2023

Easy

19 votes2157 runs

6 comments

Write a Java program that prints 'welovedev'.

Full stack developer

strings

variables

Pierreat Sep 19, 2022

Easy

18 votes2600 runs1 comment

Fix the following Javascript loop:

Web developer

loops

conditions

Camilleat Apr 27, 2023

Hard

15 votes1565 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 votes2845 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

13 votes2316 runs0 comment

Explain the prototype scope in Spring

Back-end developer

spring

bean

Anonymous authorat Dec 21, 2021

Easy

13 votes1476 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 votes363 runs1 comment

What is the purpose of the Laravel Sanctum tool?

Web developer

laravel

authentication

Damienat Sep 6, 2023

Easy

12 votes3453 runs1 comment

What is the minimum PHP version for Symfony 5?

Back-end developer

php

symfony

Smaïne Millaniat Dec 3, 2021

Medium

12 votes2388 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

Hard

10 votes2817 runs0 comment

A monitor in Java

Back-end developer

java

thread

Thomas De verdièreat Jan 4, 2022

Expert

10 votes826 runs0 comment

How to define a global variable with Node.js?

Back-end developer

variables

node.js

Jean-marie Cléryat May 11, 2022

Easy

9 votes3109 runs

3 comments

The certificate variable is not attainable outside the if loop

Web developer

variables

scope

Kahinaat Apr 6, 2022

Hard

9 votes2839 runs1 comment

Serialization can be customized with the Externalizable interface

Back-end developer

serialization

interface

Thomas De verdièreat Jan 4, 2022

Easy

9 votes2096 runs0 comment

How should a package be named in Java?

Full stack developer

packages

java

Pierreat Sep 19, 2022

Medium

9 votes741 runs0 comment

What is the difference between an interface and an abstract class in Java?

Full stack developer

EL Mostafaat Feb 13, 2024

Easy

9 votes385 runs0 comment

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

Back-end developer

Nest

decorators

Axelat Sep 6, 2023

1688 interview questionsfor IT Architect (2024)

Test your technical skills before an interview of IT Architect with 1688 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.

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; } ```

Explain the prototype scope in Spring

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?

A monitor in Java

How to define a global variable with Node.js?

The certificate variable is not attainable outside the if loop

Serialization can be customized with the Externalizable interface

How should a package be named in Java?

What is the difference between an interface and an abstract class in Java?

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