What we just showed you was hash literal notation. We call it that because you literally describe what you want in the hash: you give it a name and you set it equal to one or more
key => value pairs inside curly braces.
You can also create a hash using
Hash.new, like so:
my_hash = Hash.new
Setting a variable equal to
Hash.new creates a new, empty hash; it’s the same as setting the variable equal to empty curly braces (
Hash.new to create a new hash called
Hash must be capitalized, or Ruby won’t know what you’re talking about!