Building an application from scratch with lit-html, and Lion Web Components (input-datepicker).

Lion Web Components were integrated with rollup.js:

Checkout the video course "Apps with Web Components, redux and lit-html", or the corresponding sample application: github.com/AdamBien/webcomponents-with-redux.training for a more complex example with routing, local storage, state management, data binding, input validation and testing.

How to implement liveness and readiness probes effectively? How to expose meaningful metrics? Do CircuitBreakers, Retries and BulkHeads matter? What about timeouts? A slideless session "MicroProfile Health, Metrics and Fault Tolerance Implementation Strategies" from "Java For Kubernetes" (J4k) conference:

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Java 11+ ships with a new HttpClient

To fetch the content of a website synchronously into a String:

import java.io.IOException;
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse.BodyHandlers;

...a request has to be constructed with an URI:

var uri = URI.create("https://airhacks.tv");
var request = HttpRequest.newBuilder(uri).GET().build();

...then sent (=executed) with an instance of HttpClient:

var client = HttpClient.newHttpClient();
String responseBody = client.send(request, BodyHandlers.ofString()).body();
System.out.println(responseBody);

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Building a frontend with vanilla Web Components for a "Kickass Java Backend"

GitHub's Time Elements: https://github.com/github/time-elements is a set of web components which comes without any dependencies, does not require any processing and is useful for formatting time and dates:

Building, designing, and structuring a cloud-native MicroProfile (Metrics, OpenAPI, FaultTolerance, JAX-RS, Config, Health, JSON-B, REST Client and JAX-RS) / Quarkus application. AWS / EKS / Kubernetes deployment included:

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Migration of an 8 years old Java EE 6 / Java 6 application written on stage of the JDD 2012 (Java EE: Future Is Now, But It Is Not Evenly Distributed Yet) conference to Jakarta EE 9 with the new jakarta.* packages.

GlassFish 6 was used as an example Jakarta EE 9 runtime: