careerfoundry intro to ruby

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!"
    else
      puts "I'm full!"
    end
    @hungry
  end

  def speak
    puts"Meow!"
  end
end

kitten = Cat.new("white", "pet")
puts "What class does our new cat belong to?"
puts kitten.class
puts "Is our new cat an object?"
puts kitten.is_a?(Object)
puts "Let's give our new cat a name"
puts kitten.name = "Lia"
puts "Is our cat hungry now?"
kitten.hungry?
puts "Let's feed our cat"
kitten.feed("tune")
puts "Is our cat hungry now?"
kitten.hungry?
puts "Our cat can make noise"
kitten.speak

fav_food.rb

def fav_foods
  food_array = []
  3.times do 
    puts "Name a favourite food."
    food_array << gets.chomp
  end

  p food_array
  puts "Your favourite foods are #{food_array.join(", ")}."
end

def defined_food 
  my_food = ["sausage", "crisps", "bacon"];
  puts "My defined foods are #{my_food}"

  my_food.sort!
  puts "My foods in sorted order #{my_food}"

  puts "I also like #{my_food.slice(1).slice(1..5).sub(/s/, '')}!!!"

  puts "I'd say this is: "
  my_food.map {|food| puts "my #{food}"}

  login = { username: "marek", password: "howareyouhacker?" }
  puts "#{login[:username]}'s password is \"#{login[:password]}\""
end

fav_foods
puts "\n\n"
defined_food

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!"
    else
      puts "I'm full!"
    end
    @hungry
  end
end

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

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

end


kitten = Cat.new("white", "Persian")
puts "What class does our new cat belong to?"
puts kitten.class
puts "Is our new cat an object?"
puts kitten.is_a?(Object)
puts "Let's give our new cat a name"
puts kitten.name = "Lia"
puts "Is our cat hungry now?"
kitten.hungry?
puts "Let's feed our cat"
kitten.feed("tune")
puts "Is our cat hungry now?"
kitten.hungry?
puts "Our cat can make noise"
kitten.speak

puts "\n\n"

puppy = Dog.new("white", "Hassky")
puppy.speak
puts "Says #{puppy.color.upcase} #{puppy.breed.upcase}"
puts puppy.hungry?

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

#################################################
#
# Choose method using if, else statement
# 
#################################################

def if_choose
  puts "Do you like programing? Yes or no please."
  choice = gets.chomp
  if (choice.downcase) == "yes"
    puts "That's great!"
  elsif(choice.downcase == "no")
    puts "That's too bad!"
  else
    puts "That wasn't a yes or no."
  end
end

if_choose


#########################################
#
# Choose method using switch statement
#
#########################################
def switch_choose 
  puts "Do you like programing? 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

switch_choose

program4.rb

# number = 0
# while (number <= 10) do # while this condition is true, do...
#   p "the number is now #{number}" # whatever is in this code block
#   number += 1 # short for number = number + 1
# end # don’t forget your end

3.times { puts "Hi there!" }


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