a mighty tiny command line interface.
Picocli aims to be the easiest way to create rich command line applications that can run on and off the JVM.
Picocli is a one-file framework for creating Java command line applications with almost zero code. It supports a variety of command line syntax styles including POSIX, GNU, MS-DOS and more. It generates highly customizable usage help messages that use ANSI colors and styles to contrast important elements and reduce the cognitive load on the user.