Interview Questions.

Top 100+ Elixir Interview Questions And Answers

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Top 100+ Elixir Interview Questions And Answers

Question 1. What Is Elixir?

Answer :

Elixir is a dynamic, functional language. It is designed to construct scalable and maintainable programs.

Question 2. Who Developed Elixir?

Answer :

Ericsson advanced elixir in 1986.

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Question three. What Is The Stable Version Of Elixir?

Answer :

The solid model of Elixir is 1.5.1 and released on 1 August 2017.

Question 4. What Are The Features Of Elixir?

Answer :

The following features of Elixir are:

Scalability
Fault tolerance
Functional programming
Build tools
Erlang Compatibility
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Question five. Which Platform Is Used To Run Elixir?

Answer :

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

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Question 6. What Is The Use Of Spawn Functions?

Answer :

The Spawn characteristic is used to create a brand new process.

Example:

pid = spawn(fn -> 2 * 2 end)  

Process.Alive?(pid) 

Question 7. What Is Sigils In Elixir?

Answer :

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

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Question eight. How To Create A Map In Elixir??

Answer :

Map is created by using the usage of % syntax.

Map = %:a => 1, 2 => :b 

Question nine. What Are The Operators In Elixir?

Answer :

There are following operators in Elixir:

Arithmetic operators
Comparison operators
Boolean operators
Misc operators
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Question 10. What Do You Mean By String Interpolation In Elixir?

Answer :

String interpolation is a way to assemble a brand new String fee. The code is wrap with curly braces and '#' sign.

Example:

x = "Apocalypse"   

y = "X-men #x"  

IO.Places(y)  

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Question 11. What Is The Use Of Crypto Module In Elixir?

Answer :

In Elixir, the crypto module is used to decrypt our mission packages. It uses hashing function and digital signature.

Example:

IO.Places(Base.Encode16(:crypto.Hash(:sha256, "Elixir")))

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Question 12. How Can We Define Structs?

Answer :

We can define Structs by using using defstruct

iex> defmodule User do  

...>   defstruct call: "John", age: 27  

...> quit  

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Question thirteen. What Is Match Operator In Elixir?

Answer :

In elixir, = operator is in shape operator.

Example:

iex> x = 1  

1  

iex> x  

1  

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