Ruby Bus

Terry Cai

China, GZ

07/05/2015

Ruby

• A PROGRAMMER'S BEST FRIEND

Hello world

    # Ruby knows what you
    # mean, even if you
    # want to do math on
    # an entire Array
    cities  = %w[ London
                  Oslo
                  Paris
                  Amsterdam
                  Berlin ]
    visited = %w[Berlin Oslo]

    puts "I still need " +
         "to visit the " +
         "following cities:",
         cities - visited

Read document

https://devdocs.io/ruby/

Ruby language

https://devdocs.io/ruby-language/

Methods implement

    def one_plus_one
      1 + 1
    end

Thanks!

Questions?

つづく