firstrubyclass.rb

class FirstRubyClass

  DEVELOPERS_NAME = "John Dierks"

  def FirstRubyClass.current_date
    require 'date'
    puts Date.today.to_s
  end
  
  def FirstRubyClass.print_array(start_number = 1, end_number = 1000)
   (start_number..end_number).each{ |x| puts x}
  end
  
  def FirstRubyClass.add_these(first, second)
    first+second
  end
  
  def FirstRubyClass.string_contained_within?(full_string, check_string)
    full_string.include? check_string
  end
  
  def FirstRubyClass.print_range(first,last)
    for i in first..last
      puts i
      yield if block_given?
    end
  end  
  
  def FirstRubyClass.fibonacci(length)
    fib_array = []
    
    for i in 0..length
       if i == 0 then
         fib_array[i] = 0
       elsif i == 1 then
         fib_array[i] = 1
       else
         fib_array[i] = fib_array[i-1]+fib_array[i-2]
       end
       puts fib_array[i]
    end
  end
  
  #this method requires the Twitter gem.
  def FirstRubyClass.save_latest_tweet_to_file
    require "Twitter"
    File.open('latest-tweet.txt', 'w') {|f| f.write(Twitter.user_timeline("jdierks").first.text) }
  end
  
end