Getting started with Julia

Introduction to Julia

James Fulton

Climate informatics researcher

What is Julia?

A table showing the release dates of the MATLAB, Python, R and Julia programming languges. Julia is the most recently released.

Julia was designed to be:

¹ https://julialang.org/blog/2012/02/why-we-created-julia

The console

A gif showing an example of using the console. The number one is types into the console and the same number is printed to console.

The console

A gif showing how the output from the console can be supressed using a semicolon.

An image of the DataCamp script editor.

Inside script.jl:

# Print the number 2
println(2)

# Print the sum of 1+2
println(1+2)

2
3

Inside script.jl:

# Print the number 2        <--- these are comments
println(2)

# Print the sum of 1+2      <--- these are comments
println(1+2)

2
3

Inside script.jl:

Print the number 2
println(2)

Print the sum of 1+2
println(1+2)

ERROR: LoadError: syntax: extra token "the" after end of expression
Stacktrace:
 [1] top-level scope
   @ ~/script.jl:1

Inside script.jl:

#=


=#
println(2)

Inside script.jl:

#=
Print the 
number 2
=#
println(2)

Introduction to Julia