//usr/bin/env jbang "$0" "$@" ; exit $? //DEPS io.undertow:undertow-core:2.0.29.Final import io.undertow.Undertow; import io.undertow.util.Headers; class undertow { public static void main(String args[]) { var server = Undertow.builder().addHttpListener(8080, "localhost").setHandler((exchange) -> { exchange.getResponseHeaders().put(Headers.CONTENT_TYPE, "text/plain"); exchange.getResponseSender().send("Hello World"); }).build(); server.start(); } }