01 - Event capacity Compare two numbers
02 - Flip a coin
03 - Fizz buzz
04 - Given a birth date, determine age
05 - Determine who's older Comparing objects
06 - Sort people by age Sorting an array of objects
07 - Extend a class
08 - Determine a palindrome
09 - Process a simple contact form
10 - Store and retrieve data from a cookie
11 - Send an email
12 - Create functions in a namespace
13 - Build a calculator form
14 - Write a number guessing game
15 - Retrieve and display data from a provided REST API
16 - The Dutch national flag problem
17 - Create a Singleton design pattern
18 - Encrypt then decrypt a string
19 - Write a login form
