Lab2.rb

# Part1: Hello World
class HelloWorldClass
    def initialize(name)
       @name = name.capitalize
    end
    def sayHi
        puts "Hello #{@name}!"
    end
end
#hello = HelloWorldClass.new("James Ontiveros")
#hello.sayHi

#Part2
def isPalindrome(string)
	string = string.downcase
	string = string.gsub(/[^a-z]/, '')

	if string == string.reverse
	   return "This is a Palindrome"

	else "This is not a Palindrome"
	end
	
end
def count_words(string)
string.downcase!
astring = string.split
counthash = Hash.new(0)
astring.each { |word| counthash[word] += 1 }
return counthash

end

#part3

class WrongNumberOfPlayersError <  StandardError ; end
class NoSuchStrategyError <  StandardError ; end

def rps_game_winner(game)

  raise WrongNumberOfPlayersError unless game.length == 2
  raise NoSuchStrategyError unless game[0][1].match(/[RPS]/)   && game[1][1].match(/[RPS]/)

  wc = ["RS","SP","PR","RR","PP","SS"]
  return wc.index(game[0][1] + game[1][1]) ? game[0] : game[1]

end

def rps_tournament_winner(game)
  if !game[0][0].is_a?(String)
    return rps_tournament_winner([rps_tournament_winner(game[0]),    rps_tournament_winner(game[1])])
  else
    return rps_game_winner(game)
  end
end

#Part4

def combine_anagrams(words)
  words.group_by{ |word| word.chars.sort }.values
end

#p isPalindrome("A man, a plan, a canal -- Panama")
#p count_words("A man, a plan, a canal -- Panama")
p rps_tournament_winner([
    [
        [ ["Armando", "P"], ["Dave", "S"] ],
        [ ["Richard", "R"],  ["Michael", "S"] ],
    ],
    [
        [ ["Allen", "S"], ["Omer", "P"] ],
        [ ["David E.", "R"], ["Richard X.", "P"] ]
    ]
])

p combine_anagrams(['cars', 'for', 'potatoes', 'racs', 'four', 'scar', 'creams', 'scream'])