David Green CF Ruby File

cat.rb

class Cat
  attr_reader :color, :breed, :name
  attr_accessor :name
  def initialize(color, breed)
    @color=color
    @breed=breed
    @hungry=true
  end
  def feed(food)
    puts "Mmmm, " + food + "!"
    @hungry = false
  end
  def hungry?
    if @hungry
      puts "I\'m hungry!"
    else
      puts "I'\m full!"
    end
    @hungry
  end
  def speak
    puts "Meow!"
  end
end

kitty = Cat.new("grey","Persian")

puts "Let\'s inspect our new cat:"
puts kitty.inspect
puts "What class does our new cat belong to?"
puts kitty.class
puts "Is our new cat an object?"
puts kitty.is_a?(Object)
puts "What color is our cat?"
puts kitty.color
puts "Let\'s give our new cat a name"
kitty.name = "Betsy"
puts kitty.name
puts "Is our cat hungry now?"
kitty.hungry?
puts "Let\'s feed our cat"
kitty.feed("tuna")
puts "is our cat hungry now?"
kitty.hungry?
puts "Our cat can make noise"
kitty.speak

cat2.rb

class Pet
  attr_reader :color, :breed, :name
  attr_accessor :name
  def initialize(color, breed)
    @color=color
    @breed=breed
    @name=name
  end
  def feed(food)
    puts "Mmmm " + food + "!"
    @hungry = false
  end
  def hungry?
    if @hungry
      puts "I\'m hungry"
    else
      puts "I\'m not hungry"
    end
    @hungry
  end
end

class Cat < Pet
  def speak
    puts "Meow!"
  end
end

class Dog < Pet
  def speak
    puts "Woof!"
  end
end

puppy=Dog.new("black","husky")
puppy.speak
puts puppy.breed

kitty = Cat.new("grey","Persian")

puts "Let\'s inspect our new cat:"
puts kitty.inspect
puts "What class does our new cat belong to?"
puts kitty.class
puts "Is our new cat an object?"
puts kitty.is_a?(Object)
puts "What color is our cat?"
puts kitty.color
puts "Let\'s give our new cat a name"
kitty.name = "Betsy"
puts kitty.name
puts "Is our cat hungry now?"
kitty.hungry?
puts "Let\'s feed our cat"
kitty.feed("tuna")
puts "is our cat hungry now?"
kitty.hungry?
puts "Our cat can make noise"
kitty.speak

fav_foods.rb

def fav_foods
  food_array = Array.new
3.times do
    puts "Name Favourite food"
    food_array << gets.chomp
  p food_array
  puts "Fave foods are #{food_array.join(", ")}."
  end
end
fav_foods

food_array.each do |food|
  puts "I like #{food} foods a lot"
end

program.rb

my_name = "David"

def greeting
	puts "Please enter your name:"
	name=gets.chomp
	puts "Hello " + name
end
greeting

program2.rb

if (5+5==10)
  puts "this is true"
else
  puts "this is false"
end

program3.rb

def choose
  puts "Do you like programming? Yes, no, or maybe please."
  choice = gets.chomp
  case choice.downcase
  when "yes"
    puts "That\'s great!"
  when "no"
    puts "That\'s too bad!"
  when "maybe"
    puts "Glad you are giving it a chance!"
  else
    puts "I have no idea what that means."
  end
end
choose

program4.rb

(0..10).each do |n|
	p "the new number is #{n}"
end