Don't show options in usage unless there are any.

[theonlygusti]

Because of this line the usage will always show options, even if there aren't any:

private class CommandTemplate {

  @Parameters

  List<String> parameters = new ArrayList<>();

}

public static void main(String[] args) {

  CommandTemplate template = new CommandTemplate();

  JCommander jcommander = new JCommander(template);

  jcommander.setProgramName("main");

  jcommander.usage();

}

Running the above code will print Usage: main [options] even though there are no options.

[Cédric Beust ♔]

Will be fixed in the next version:

https://github.com/cbeust/jcommander/commit/a9bd34efc7d43e494cb5501b04c954a7a0185ebb

By the way, you should file this as an issue instead of emailing the group.

-- 

Cédric

-- 

Cédric

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[theonlygusti]

I filed it as an issue prior to posting it here. It seems that generally the responses to the mailing group are better than on github though

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Cédric

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