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113 interview questionsfor developers (2026)

Test your developer skills before an interview with 113 corrected questions on 80+ topics. Beginner, Intermediate or Expert level.

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113 questions
Hard
12 votes1066 runs0 comment

What is special about quick sort?

IT Architect
sorting
algorithm
Anonymous authorat Sep 19, 2022
Easy
12 votes979 runs0 comment

What is recursion?

IT Architect
recursion
Anonymous authorat Sep 19, 2022
Easy
8 votes897 runs0 comment

What type of structure are the results of a recursive function stored in?

IT Architect
recursion
stack
Anonymous authorat Sep 19, 2022
Hard
7 votes875 runs0 comment

What does the While loop do?

IT Architect
array
loop
Adrienat Sep 5, 2022
Hard
5 votes821 runs0 comment

What about the merge sort method?

IT Architect
sorting
algorithm
Anonymous authorat Sep 19, 2022
Hard
5 votes580 runs0 comment

In 2016, Linkedin had a large data breach and leaked 168 millions of users data including hashed password. What was the protections of those password ?

IT Architect
hashing
security
Dragon parfaitat Sep 19, 2022
Easy
4 votes494 runs0 comment

What is the most used back-end language for websites?

IT Architect
back-end
language
Vincent Cotroat Feb 10, 2023
Easy
4 votes463 runs0 comment

What is the "Metaverse" imagined by "Mark Zuckerberg"?

IT Architect
metaverse
virtual
Vincent Cotroat Sep 19, 2022
Medium
3 votes518 runs0 comment

Write a Rust function that returns the first 10 prime numbers.

IT Architect
rust
algorithm
Vincent Cotroat Sep 19, 2022
Medium
3 votes200 runs0 comment

What term refers to the principle that a computer program should be divided into independent modules?

IT Architect
modules
programming
Damienat Sep 5, 2023
Medium
2 votes866 runs0 comment

What is the complexity of this algorithm?

IT Architect
sorting
algorithm
Anonymous authorat Sep 19, 2022
Medium
2 votes773 runs1 comment

What can be said about a terminal algorithm?

IT Architect
algorithm
termination
Anonymous authorat Sep 19, 2022
Medium
2 votes715 runs0 comment

Given an array of 17 elements sorted in ascending order, what is the cost of accessing the element with index 10?

IT Architect
array
sorting
Anonymous authorat Sep 19, 2022
Medium
2 votes706 runs
1 comment

How are customer requests handled on an online platform for ordering pizzas for delivery?

IT Architect
queues
FIFO
Anonymous authorat Sep 19, 2022
Medium
2 votes701 runs0 comment

What do you call a structure whose data are nodes and linked together by oriented arcs?

IT Architect
data structures
graph
Anonymous authorat Sep 19, 2022
Medium
2 votes688 runs0 comment

What is the name of the type of sort performed by the following code?

IT Architect
array
sort
Anonymous authorat Sep 19, 2022
Expert
2 votes555 runs0 comment

Which of the following service have leaked millions of badly hashed data ?

IT Architect
hashing
security
Dragon parfaitat Sep 19, 2022
Expert
2 votes523 runs
2 comments

Write a Java program that throws an exception.

IT Architect
exceptions
Vincent Cotroat Sep 19, 2022
Hard
2 votes483 runs1 comment

Is the following a valid JavaScript expression? `undefined`

IT Architect
boolean
logic
Vincent Cotroat Sep 19, 2022
Easy
2 votes216 runs0 comment

What software development method emphasizes short iterative cycles, close collaboration with clients, and frequent adjustments based on obtained feedback?

IT Architect
software development
method
Damienat Sep 5, 2023