This isn’t sufficiently enterprisey for Java. There should be a Roman numeral factory followed by relevant fromString and toInteger methods.

Still linear time at least, could always be much MUCH worse

Whenever you sit back and smile proudly to yourself about how clever the block of code you just wrote is, your next move should be to delete and rewrite it.

This is a clever block of code! Great job, now rewrite it to be sane 😂

It’s got some code duplication. Who can code gulf golf this?

They forgot “CM” so this doesn’t work for any number that ends in 900s