×

Top 14 Elixir Interview Questions for 2024

1) What is Elixir?

Elixir is a dynamic, functional language. It is designed to build scalable and maintainable applications.

2) Who developed Elixir?

Ericsson developed elixir in 1986.

3) What is the stable version of Elixir?

The stable version of Elixir is 1.5.1 and released on 1 August 2017.

4) What are the features of Elixir?

The following features of Elixir are:
  • Scalability
  • Fault tolerance
  • Functional programming
  • Build tools
  • Erlang Compatibility

5) How to write a simple program?

The following code to write a simple program:
IO.puts "Hello world"Which

6) Which platform is used to run Elixir?

BEAM (Erlang virtual machine) platform is used to run Elixir.

7) What is the use of Spawn functions?

The Spawn function is used to create a new process. Example:
pid = spawn(fn -> 2 * 2 end)  
Process.alive?(pid)

8) What is Sigils in Elixir?

Elixir is a mechanism, used to textual representations with the language. It starts with tilde (~) character.

9) How to create a Map in Elixir??

A Map is created by using %{} syntax.
map = %{:a => 1, 2 => :b}

10) What are the operators in Elixir?

There are following operators in Elixir:
  • Arithmetic operators
  • Comparison operators
  • Boolean operators
  • Misc operators

11) What do you mean by String Interpolation in Elixir?

String interpolation is a way to construct a new String value. The code is wrap with curly braces and '#' sign. Example:
x = "Apocalypse"   
y = "X-men #{x}"  
IO.puts(y)

12) What is the use of Crypto Module in Elixir?

In Elixir, the crypto module is used to decrypt our project applications. It uses hashing function and digital signature. Example:
IO.puts(Base.encode16(:crypto.hash(:sha256, "Elixir")))

13) How can we define Structs?

We can define Structs by using defstruct
iex> defmodule User do  
...>   defstruct name: "John", age: 27  
...> end

14) What is match operator in Elixir?

In elixir, = operator is match operator. Example
iex> x = 1  
1  
iex> x  
1

Related Topics

Top 13 SAS Interview Questions for 2024

1. What is SAS and its functions? SAS (Statistical Analysis System) is statistical software designed by SAS Institute in 1960 for data inspection and report writing. SAS runs on Windows, UNIX...

5 minutes read.

Top 15 Euphoria Interview Questions for 2024

1) What is Euphoria? Euphoria is a programming language. It is open source, powerful and easy to learn. It stands for End-User Programming with Hierarchical Objects for Robust Interpreted Applications 2) Who...

2 minutes read.

Top 15 PouchDB Interview Questions for 2024

1) What is PouchDB? PouchDB is an in-browser database that allows applications to save data. It is an open source database. It runs in Node.js. 2) In which language PouchDB was written? PouchDB was written in JavaScript language. 3)...

2 minutes read.

Top 30 SQLite Interview Question for 2024

1) What is SQLite? It is an in-process library which implements self-contained, serverless, zero-configuration, transactional SQL database. 2) What datatype does SQLite supports? It uses dynamic typing and data can be stored in...

5 minutes read.

C++ | C Plus Plus Interview Questions for 2024

1) Write a program in C++ to print "Hello World"? #include <iostream.h>     #include <conio.h>   void main()    {       clrscr();       cout << "Hello World";     getch();     } 2) Write a program in C++ to enter two integers and find their sum and average ? #include <iostream.h>   #include <conio.h>   void main()   {   clrscr();   int x,y;   float sum,average;   cout << "Enter 2 integers : " << endl;   cin>>x>>y;   sum=x+y;   average=sum/2;   cout <<"The sum is:"<< sum << endl;   cout <<"The average is:"<< average << endl;   getch();   } 3) Write a program in...

5 minutes read.

Top 15 ASP.NET MVC Framework Interview Questions for 2024

1) What is ASP.NET MVC Framework? ASP.NET MVC framework is a software architecture pattern for developing web applications. It is used to split the application's implementation logic into three components: models,...

4 minutes read.

Top 31 CakePHP Interview Questions for 2024

1) What is CakePHP? CakePHP is an open-source PHP framework. It is used to develop dynamic web applications. It helps to developers to work in a structured manner. 2) When cakePHP was...

5 minutes read.

Top 15 KnockoutJS Interview Questions for 2024

1) What is KnockoutJS? It is a JavaScript library which is based on MVVM pattern that helps developers in building rich and responsive websites. 2) Who is the author of KnockoutJS? Steve Sanderson is...

2 minutes read.

Top 30 SQL Interview Questions for 2024

1. What is SQL? Ans. SQL stands for Structured Query Language.  It is a standard computer language for accessing, storing, and manipulating data stored in the relational database. SQL become an International Standard Organization (ISO)...

11 minutes read.

Top 30 Cassandra Interview Questions for 2024

1) Explain. What is Cassandra? Cassandra is an open source data storage system. It was developed at Facebook for inbox search and designed for storing and managing large amount of data. 2)...

5 minutes read.

Top 16 Moo Tools Interview Questions for 2024

1) What is Moo Tools? MooTools stands for My Object-Oriented Tools. It is a lightweight and object-oriented JavaScript framework. It is used to create dynamic web page. It is developed by Valerio...

5 minutes read.

Top 30 FuelPHP Framework Interview Questions for 2024

1) What is FuelPHPFramework? FuelPHP Framework is an open source web application and written in PHP scripting language. It is based on the HMVC (Hierarchical Model View Controller) design pattern. It was released...

6 minutes read.

Top 20 HTTP Interview Questions for 2024

1) What is HTTP? HTTP stands for Hypertext Transfer Protocol. It is a set of rules for transferring of data on WWW (World Wide Web). 2) What are the basic Features of...

4 minutes read.

WebSockets Interview Questions

1) What is Web Sockets? Web Sockets is a two way communication between the clients and the servers. Here, the clients and servers both the parties can communicate and exchange data...

3 minutes read.

Top 30 Joomla Interview Questions for 2024

1) What is Joomla? Joomla is an open source content management system. It is used to build online applications and websites. It uses model-view-controller (MVC) web application framework. It is free and easy to...

4 minutes read.

Ember.js Interview questions

1) What is Ember.js? Ember.js is a JavaScript front-end Framework. It provides developer both features for managing complexity in modern web-apps as well as integrated development kit. 2) Why choose Ember.js? Logical...

2 minutes read.

Top 30 Cobol Interview Questions for 2024

1) What is COBOL? COBOL is a programming language which is used for finance, business and administrative systems for companies. COBOL is stands for Common Business Oriented Language. 2) What are the features...

4 minutes read.

Top 15 Framework7 Interview Questions for 2024

1) What is Framework7? Framework7 is an open source mobile HTML framework. It is used todevelop hybrid mobile apps for iOS and Android devices. 2) Why, framework7 is popular? There are various reasons...

8 minutes read.

Top 30 Ruby on Rails Interview Questions for 2024

1) What is Ruby on Rails? It is a server-side web application framework. It is an open source ruby framework which is used for developing database-backed web applications. Here, no compilation phase is...

4 minutes read.

Top 22 MariaDB Interview Question for 2024

1) What is MariaDB? It is a community based database devoloped by MySQL Devolopers. It provides same features as MySQL also, can be said that it is a replacement of MySQL. 2)...

3 minutes read.