wspeirs

final GnuParser parser = new GnuParser();
final Options options = configureOptions();

// parse with the parser
CommandLine cmdLine = null;
try {
    cmdLine = parser.parse(options, args);
} catch(ParseException e) {
    e.printStackTrace();
    return;

wspeirs

  Options options = new Options();
  
  // create the simple option without using the OptionBuilder
  options.addOption("o", "opt", false, "An option, no args");
  
  // simple help option using the builder
  options.addOption(OptionBuilder.withLongOpt("help")
                                 .create("h"));
  
  // an option with a value separator, defaults to =