Ruby Project

cat.rb

class  Cat
  attr_reader :color, :breed
  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! grrr"
    else
      puts "I am full :)"
    end
    @hungry
  end

  def speak
    puts "Woof! Yeah, I know foreign languages!"
  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 "Lets give the 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 = []

  3.times do
    puts "Name a favorite food:"
    food_array << gets.chomp
  end
  p food_array
  puts "Your favorite foods are: #{food_array.join(", ")}"

  # food_array.each do |food|
  #   puts "I like #{food}, too!"
  # end

  food_array.each { |food| puts "I like #{food}, too!"}
end

fav_foods

pet.rb

class Pet
  attr_reader :color, :breed
  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! grrr"
    else
      puts "I am full :)"
    end
    @hungry
  end
end

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

class  Dog < Pet
  def speak
    puts "Woof!"
  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 "Lets give the 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

doggy = Dog.new("black", "Labrador")
puts "Our dog has a name:"
doggy.name = "Jack"
puts doggy.name
puts "Our dog can make noise"
doggy.speak

program.rb

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

# 3.times do
#   p "Hello!"
# end
#
# number = 0
# while (number <= 10) do
#   p "The number is now #{number}"
#   number += 1
# end

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