I read and enjoyed https://github.com/kohsuke/args4j https://github.com/kohsuke/args4j. I don't know if it's the "best" code put there but it was comprehensible

I read and enjoyed https://github.com/kohsuke/args4j https://github.com/kohsuke/args4j. I don't know if it's the "best" code put there but it was comprehensible and I learned a lot from it when I was new to Java.