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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
Have you read the comment sections in the bottom of that page? It's outdated and flawed, and hence is useless.
Just be careful with streams.
https://blog.takipi.com/benchmark-how-java-8-lambdas-and-streams-can-make-your-code-5-times-slower/
damn that is a clever way of doing it. I was thinking there was probably a clever regex solution.....
you don't need both to check if it is smaller than m and bigger than a. It is assumed that all chars are from a-z
I'm curious, does converting it to an array somehow make it more efficient? I just appended to a StringBuilder using a case statement which seems less complicated.