RunVertx.java

//usr/bin/env jbang "$0" "$@" ; exit $?
//DEPS io.vertx:vertx-core:4.0.0

import io.vertx.core.Vertx;

public class RunVertx {

    public static void main(String... args) {
        var vertx = Vertx.vertx();
        vertx.createHttpServer()
            .requestHandler(req -> req.response().end("Vert.x in Action is the best book ever. Obviously."))
            .listen(8080)
            .onComplete(server -> System.out.println("Go to http://127.0.0.1:8080/"))
            .onFailure(Throwable::printStackTrace);
    }
}