<dependency> <groupId>com.sampullara.optparse</groupId> <artifactId>optparse</artifactId> <version>1.1</version> </dependency> Optparse optparse = new Optparse("MyProgram"); optparse.addOption("-h", "--help").action("storeTrue").help("Show help information."); optparse.addOption("-v", "--version").action("storeTrue").help("Show version information."); optparse.addOption("-n", "--name").action("store").help("Specify a name."); optparse.parseArgs(args); String name = optparse.get("name"); boolean showHelp = optparse.get("help"); boolean showVersion = optparse.get("version"); optparse.addOption("-n", "--name").action("store").help("Specify a name.").addValidator(Validators.notEmpty());