develop

JV_Solutions/change_return.rb

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+class ChangeReturn
+
+=begin
+  Author: Jessica Valenti
+  September 3, 2015
+  Change Return Program - user enters a cost and then the amount of money given.  The program
+  will figure out the change and the number of quarters, dimes, nickels and pennies needed for the change.
+=end
+
+  require 'bigdecimal' # used because Float and Integer data types aren't ideal for money transactions
+
+  puts "What is the cost?"
+  cost = BigDecimal(gets.chomp)
+
+  puts "What amount is given?"
+  moneyGiven = BigDecimal(gets.chomp)
+
+  while (cost > moneyGiven)
+    puts "The amount given must be greater than the cost. What amount is given?"
+    moneyGiven = BigDecimal(gets.chomp)
+  end
+
+  change = BigDecimal(moneyGiven) - BigDecimal(cost)
+  changeDollars = change.to_i
+  changeCents = (change - changeDollars)*100 # multiplied by 100 to use pennies
+
+  coin_values = {
+      "quarters" => 25,
+      "dimes" => 10,
+      "nickels" => 5,
+      "pennies" => 1
+  }
+
+  coinNames = ["quarters", "dimes", "nickels", "pennies"]
+  num = 0 # will be used to iterate through the names array above
+
+  puts "Your change is $" << sprintf('%.2f', change)
+
+  coin_values.each do |numCoins, value|
+    numCoins = changeCents / value
+    numCoins = numCoins.to_i # changed to integer to remove any decimal point on the num of coins
+    changeCents -= numCoins*value
+    puts "Number of #{coinNames[num]}: #{numCoins}" if numCoins > 0
+    num +=1 # to go to the next name in the array
+  end
+end

JV_Solutions/check_palindrome.rb

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+class CheckPalindrome
+=begin
+  Author: Jessica Valenti
+  Date: September 2, 2015
+  Script that determines if a string is a palindrome or not.
+=end
+
+  def checkPalindrome(word)
+    reversedWord = word.reverse
+    if (word == reversedWord)
+      puts "#{word} is a palindrome!"
+    else
+      puts "#{word} is not a palindrome :("
+    end
+  end
+
+  puts "Which string would you like to check?"
+  word = gets.chomp.downcase
+
+  palindromeObject = CheckPalindrome.new
+  palindromeObject.checkPalindrome(word)
+end

JV_Solutions/pigLatin.rb

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+class PigLatin
+=begin
+        Author : Jessica Valenti
+        September 1, 2015
+        Script created to "translate" English words into pig latin (based on the pig latin wikipedia page) - in response to Karan's list of projects
+=end
+
+puts "please write a word to be translated to pig latin"
+word = gets.chomp
+length = word.length
+
+while length < 3
+  puts "please write a word to be translated to pig latin (longer than two letters)"
+  word = gets.chomp
+  length = word.length
+end
+
+vowels = ["a", "e", "i", "o", "u", "y"]
+
+if vowels.include? word[0, 1]
+  pig_latin = word << "yay"
+elsif vowels.include? word[1]
+  pig_latin = word[1, length] << word[0, 1] << "ay"
+else
+  pig_latin = word[2, length] << word[0, 2] << "ay"
+end
+
+puts pig_latin
+
+end