<dependency>
<groupId>commons-cli</groupId>
<artifactId>commons-cli</artifactId>
<version>1.4</version>
</dependency>
import org.apache.commons.cli.*;
public class MyCLIApp {
public static void main(String[] args) {
Options options = new Options();
CommandLineParser parser = new DefaultParser();
try {
CommandLine cmd = parser.parse(options, args);
if (cmd.hasOption("h")) {
HelpFormatter formatter = new HelpFormatter();
formatter.printHelp("mycliapp", options);
return;
}
String name = cmd.getOptionValue("n");
System.out.println("Hello, " + name + "!");
} catch (ParseException e) {
}
}
}
java MyCLIApp -n Alice
