/* Copyright 2017 Remko Popma Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ package picocli.examples; import picocli.CommandLine; import static picocli.CommandLine.Command; import static picocli.CommandLine.Option; @Command(name = "Greet", header = "%n@|green Hello world demo|@") public class Greet implements Runnable { @Option(names = {"-u", "--user"}, required = true, description = "The user name.") String userName; public void run() { System.out.println("Hello, " + userName); } public static void main(String... args) { new CommandLine(new Greet()).execute(args); } }