In September 2018, Oracle introduced its new open-source framework, Project Helidon. Originally named J4C (Java for Cloud), Helidon is an open-source framework and collection of Java libraries for creating microservices-based applications.

Helidon, a Greek word for a swallow (a small bird with dark, glossy-blue backs, red throats, pale underparts and long tail streamers), is unique because it was designed to be simple and fast and ships with two programming models: Helidon SE and Helidon MP.

Helidon is also observable and resilient and offers full support for MicroProfile, GraalVM and persistence along with a virtual web server.

After a brief introduction to Helidon and its two programming models, we will build and deploy, step-by-step, an enterprise Java application using Helidon. At each step in the process, you will be introduced to a Helidon component.