balaji's bob.rb

class Bob
 def hey(input)
   if(input.empty? || input.strip.empty?)
     'Fine. Be that way!'
   elsif(upcase(input))
     "Woah, chill out!"
   elsif(question(input))
     'Sure.'
   else
     'Whatever.'
   end
 end

 def upcase(input)
   upcase_count = 0
   input.split('').each do |c|
     return false if(!c.match(/[a-z]/).nil?)
     if(c.match(/[A-Z]/))
        upcase_count += 1
     end    
   end
   return false if upcase_count==0
   true
 end

 def question(input)
   input[-1 ... input.length] == '?'
 end

end