is there any function in java which behaves like getopt from c

Question

Hello I am working on command line application which can accepts command line argument like

app -port 8888 -filename d:xyzxyz.pdf -dest d:pqr

I am looking for function which can return me pair of option and it corresponding value like getopt in c.

Answer 1

There are quite a few command line parser libraries for Java out there.

A recent (as of late 2019) command line parser with a lot of momentum and features is picocli.

Some older, popular ones are commons-cli (quite old), args4j and JCommander.