katas

1. FizzBuzz

• Returns "Fizz" if number is a multiple of 3 or has 3 in it,
• returns "Buzz" if number is a multiple of 5 or has 5 in it,
• and returns "FizzBuzz" if number is a multiple of 3 and 5 or has both 3 and 5 in it.

2. String Calculator

• Create a simple String calculator with a method int add(String numbers).
• The method can take 0, 1 or more numbers, and will return their sum.

3. Roman Numeral Converter

• Convert arabic number (between 1 and 3000) to its roman numeral form.