From time to time, I find myself needing to handle command-line arguments in Java either for Java-based applications or for main() function implementations that provide a simple testing mechanism ...

There are numerous online examples that use Groovy‘s baked-in Apache Commons CLI based command-line parsing support. These examples include Groovy Command Line Options, Chris Mahns‘s Groovy Script: ...

I find myself needing to write a Java console application and am quite rusty. Can anyone recommend a good analogue to Python's optparse library (or comment on the Apache Commons CLI)? Also, this is ...