packagecom.xxxcom.xxxproduct;importio.vertx.core.AbstractVerticle;importio.vertx.core.http.HttpServerResponse;importio.vertx.core.json.JsonObject;importio.vertx.ext.jdbc.JDBCClient;importio.vertx.ext.web.Router;publicclassMyFirstVerticleextendsAbstractVerticle{@Overridepublicvoidstart()throwsException{Routerrouter=Router.router(vertx);// Bind "/" to our hello message - so we are still compatible.router.route("/").handler(routingContext->{HttpServerResponseresponse=routingContext.response();response.putHeader("content-type","text/html;charset=UTF-8").end("<h1>Hello from my first Vert.x 3 application</h1>");});}}