Steve Chambers Steve Chambers - 1 month ago 11
Java Question

Are there any naming conventions for command line arguments?

Am reviewing a command line driven Java application with command line switches in lower camel case like this:

myapp aSwitch anotherSwitch aThirdSwitch


Am thinking all lower case and leading hyphens may be preferable:

myapp -aswitch -anotherswitch -athirdswitch


...or perhaps:

myapp -a-switch -another-switch -a-third-switch


But struggling to come up with a compelling justification. Would like to follow current conventions and be cross-platform compatible at least for Windows/Linux.

Grateful for advice on what is the most commonly used convention out of these three - and any good reasons for this.

Answer

Apache Commons CLI has a description of the commonly used convention. it is also a good parser for such use cases

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