Argparse4j is a command line argument parser library for java based on python's argparse module. the features of argparse4j include:

* supported positional, optional and variable number of arguments.
* generates well formatted line-wrapped help message.
* suggests optional arguments/sub-command if unrecognized
arguments/sub-command were given.
* takes into account east asian width ambiguous characters when line-wrap.
this package contains the api documentation of libargparse4j-java.