Monday Array and Hash excercise Answers

1. Create a array from the number one to a hundred. Loop through the array and puts to the console all the even numbers, if the number is odd put them into an empty array in descending order.

array = Array(1..100)
odd_array = []
array.each { |e|
  if e.even?
    p e
  else
    odd_array.push(e)
  end
}
p odd_array

1. Create an array from 'a' to 'z'. From that array create a new array with all the vowels.

letters = Array('a'..'z')
vowels = letters.select { |letter| letter =~ /[aeiou]/}

1. Create a hash containing 5 properties using symbols as key names.

morrison = {
  name: 'jim',
  band: 'doors',
  poet: true,
  alive: false,
  code_name: 'Mr. Mojo Risin'
}

p morrison.class
p morrison[:code_name]

1. Loop through the previous hash and print to the console "the key name is keyName and the value name is valueName"

morrison.each { |key, value|
  p "The key name is #{key} and value is #{value}"
}

1. Create a hash containing 5 properties using strings as the key names.

bird = {
  'name' => "Andrew Bird",
  'instrument' => "violin",
  'awesome'=> true,
  'album'=> 'Are You Serious',
  'song'=> 'left handed kisses'
}

p bird.class
p bird['name']

1. loop through five and print keys and values

bird.each { |key, value|
  p "The key name is #{key} and value is #{value}"
}

1. Create a Boolean value, hash value, array value and symbol value, and check what class they come from.
   boolean

true.class
#hash
bird = {name:'jim'}
bird.class
# symbol
:age.class