A classic!
Here is the “Hello World!” program in Elixir:
iex> IO.puts("Hello World!")
In this example, we’re using the IO module to print the string “Hello World!” to the console. The puts function is a part of the IO module and it prints its argument followed by a newline.
If you want to write a full Elixir file (.exs) for this program, here it is:
defmodule HelloWorld do
IO.puts("Hello World!")
end
To run this code, save it in a file named hello_world.exs, then run it using the Elixir interpreter like so: iex hello_world.exs
This will print “Hello World!” to your console.
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