Examples
The following examples can be run in a Ruby shell such as Interactive Ruby Shell or saved in a file and run from the command line by typing ruby .
Classic Hello world example:
puts "Hello World!"Some basic Ruby code:
# Everything, including a literal, is an object, so this works: -199.abs # 199 "ice is nice".length # 11 "ruby is cool.".index("u") # 1 "Nice Day Isn't It?".downcase.split("").uniq.sort.join # " '?acdeinsty"Conversions:
puts "What's your favorite number?" number = gets.chomp output_number = number.to_i + 1 puts output_number.to_s + ' is a bigger and better favorite number.'Read more about this topic: Ruby (programming Language)
Famous quotes containing the word examples:
“Histories are more full of examples of the fidelity of dogs than of friends.”
—Alexander Pope (1688–1744)
“There are many examples of women that have excelled in learning, and even in war, but this is no reason we should bring ‘em all up to Latin and Greek or else military discipline, instead of needle-work and housewifry.”
—Bernard Mandeville (1670–1733)
“In the examples that I here bring in of what I have [read], heard, done or said, I have refrained from daring to alter even the smallest and most indifferent circumstances. My conscience falsifies not an iota; for my knowledge I cannot answer.”
—Michel de Montaigne (1533–1592)