notes.rb

# irb...
# Numbers
3 + 2

# Strings
puts "Hi, everybody!"

# Booleans
true
false
nil

# Variables
x = 100
puts x

# Math
# Addition (+)
# Subtraction (-)
# Multiplication (*)
# Division (/)
# Exponentiation (**) (raises one number to the power of the other)
# Modulo (%) (returns the remainder after division)
1 + 2
3 - 5
3 * 3
9 / 3
3 ** 2
21 % 7

# Puts and print
puts "Yo what's your name?"
print "Um...Bryan"

# Methods
"I love gin...gin gin gin".length
# You call methods with a `.`.
# `length` is a method all strings in Ruby have. It returns the string's
# length.
"Bryan".length

"Bryan".reverse

puts "bryan".upcase
puts "BRYAN".downcase

# Comments
# I'm a comment
3 + 2 # 5!!

# Local variables are lowercase and snakecase
name = "Bryan"
puts "Hi my name is #{name}"

my_name = "Bryan"
my_age = 29