CodeToLive

Using Packages

# Enter package mode by pressing ]
pkg> add Plots  # Install a package

# Back in Julia mode
using Plots
plot(sin, 0, 2π)

Creating Modules

# In MyModule.jl
module MyModule

export greet

function greet(name)
    println("Hello, $name!")
end

end  # module

# Using the module
using .MyModule
greet("Julia")

Creating Packages

# Generate new package
pkg> generate MyPackage

# Add dependencies
cd("MyPackage")
pkg> activate .
pkg> add JSON

# Develop mode (for local development)
pkg> dev MyPackage

Useful Packages

• Plots.jl: Visualization
• DataFrames.jl: Tabular data
• CSV.jl: Reading CSV files
• Flux.jl: Machine learning
• DifferentialEquations.jl: Solving differential equations