1641 interview questions for IT Architect (2024)

Medium

32 votes1817 runs3 comments

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

Web developer

Vincent Cotroat Jan 18, 2024

Medium

19 votes1664 runs2 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

16 votes933 runs0 comment

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

Back-end developer

functions

errors

Vincent Cotroat Mar 24, 2023

Easy

15 votes1690 runs3 comments

Write a Java program that prints 'welovedev'.

Full stack developer

strings

variables

Pierreat Sep 19, 2022

Easy

13 votes1389 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 votes760 runs0 comment

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

Back-end developer

recursion

Vincent Cotroat Mar 28, 2023

Easy

11 votes1855 runs1 comment

Fix the following Javascript loop:

Web developer

loops

conditions

Camilleat Apr 27, 2023

Easy

10 votes3272 runs1 comment

What is the minimum PHP version for Symfony 5?

Back-end developer

php

symfony

Smaïne Millaniat Dec 3, 2021

Hard

10 votes1116 runs0 comment

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

Back-end developer

list

for loop

Théoat Mar 28, 2022

Hard

8 votes2590 runs0 comment

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

Back-end developer

inheritance

package

Thomas De verdièreat Jan 4, 2022

Hard

8 votes2553 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

8 votes2388 runs1 comment

The certificate variable is not attainable outside the if loop

Web developer

variables

scope

Kahinaat Apr 6, 2022

Medium

8 votes2119 runs0 comment

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

8 votes1649 runs0 comment

How should a package be named in Java?

Full stack developer

packages

java

Pierreat Sep 19, 2022

Hard

7 votes2491 runs0 comment

A monitor in Java

Back-end developer

java

thread

Thomas De verdièreat Jan 4, 2022

Medium

7 votes2043 runs0 comment

Explain the prototype scope in Spring

Back-end developer

spring

bean

Anonymous authorat Dec 21, 2021

Hard

7 votes1797 runs1 comment

Which of the following equality(s) are true? 0 == '', 'f' + 1 == 'f1'

Front-end developer

javascript

equality

Jean-marie Cléryat Jan 4, 2022

Expert

7 votes735 runs0 comment

How to define a global variable with Node.js?

Back-end developer

variables

node.js

Jean-marie Cléryat May 11, 2022

Medium

6 votes3093 runs1 comment

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

Back-end developer

symfony

kernel

Smaïne Millaniat Apr 10, 2024

Hard

6 votes2533 runs1 comment

How to write a portable Java program

Back-end developer

java

native

Thomas De verdièreat Jan 4, 2022

1641 interview questionsfor IT Architect (2024)

Test your technical skills before an interview of IT Architect with 1641 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.

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

Write a Java program that prints 'welovedev'.

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);

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

Fix the following Javascript loop:

What is the minimum PHP version for Symfony 5?

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

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

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; } ```

The certificate variable is not attainable outside the if loop

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

How should a package be named in Java?

A monitor in Java

Explain the prototype scope in Spring

Which of the following equality(s) are true? 0 == '', 'f' + 1 == 'f1'

How to define a global variable with Node.js?

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

How to write a portable Java program