Ruby strings store text and can be combined with interpolation.

Strings

strings.rb
first_name = 
language = "Ruby"
greeting = "Hello, #{first_name} from #{language}!"

puts greeting
puts "letters=#{first_name.length}"
first_name = 
language = "Ruby"
greeting = "Hello, #{first_name} from #{language}!"

puts greeting
puts "letters=#{first_name.length}"
first_name = 
language = "Ruby"
greeting = "Hello, #{first_name} from #{language}!"

puts greeting
puts "letters=#{first_name.length}"
string interpolation `#{...}` inserts the value of a Ruby expression inside a double-quoted string.