Roman Numerals Paired Programming

The utility class converts from Roman numeral i into 1.

Tasks

1. Update the utility class to convert number 2
2. Update the utility class to convert number 3
3. Update the utility class to convert number 5, 6, 7, 8
4. What about 4 and 9?
5. Picking a subset of the numbers, prove that your algorithm works for any number between 1 and 100

Hints

Consider using a TDD approach, though it's not mandatory.

Conversion Chart