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copied!<p>Use the <a href="https://commons.apache.org/proper/commons-cli/" rel="noreferrer">Apache Commons CLI library</a> commandline.getArgs() to get arg1, arg2, arg3, and arg4. Here is some code:</p> <pre><code> import org.apache.commons.cli.CommandLine; import org.apache.commons.cli.Option; import org.apache.commons.cli.Options; import org.apache.commons.cli.Option.Builder; import org.apache.commons.cli.CommandLineParser; import org.apache.commons.cli.DefaultParser; import org.apache.commons.cli.ParseException; public static void main(String[] parameters) { CommandLine commandLine; Option option_A = Option.builder("A") .required(true) .desc("The A option") .longOpt("opt3") .build(); Option option_r = Option.builder("r") .required(true) .desc("The r option") .longOpt("opt1") .build(); Option option_S = Option.builder("S") .required(true) .desc("The S option") .longOpt("opt2") .build(); Option option_test = Option.builder() .required(true) .desc("The test option") .longOpt("test") .build(); Options options = new Options(); CommandLineParser parser = new DefaultParser(); String[] testArgs = { "-r", "opt1", "-S", "opt2", "arg1", "arg2", "arg3", "arg4", "--test", "-A", "opt3", }; options.addOption(option_A); options.addOption(option_r); options.addOption(option_S); options.addOption(option_test); try { commandLine = parser.parse(options, testArgs); if (commandLine.hasOption("A")) { System.out.print("Option A is present. The value is: "); System.out.println(commandLine.getOptionValue("A")); } if (commandLine.hasOption("r")) { System.out.print("Option r is present. The value is: "); System.out.println(commandLine.getOptionValue("r")); } if (commandLine.hasOption("S")) { System.out.print("Option S is present. The value is: "); System.out.println(commandLine.getOptionValue("S")); } if (commandLine.hasOption("test")) { System.out.println("Option test is present. This is a flag option."); } { String[] remainder = commandLine.getArgs(); System.out.print("Remaining arguments: "); for (String argument : remainder) { System.out.print(argument); System.out.print(" "); } System.out.println(); } } catch (ParseException exception) { System.out.print("Parse error: "); System.out.println(exception.getMessage()); } } </code></pre>

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