Helidon Basics

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Description

In this lab you will learn how to write Java microservices application using Helidon .

This lab covers both programming models:

  • Helidon SE reactive and
  • Helidon MicroProfile (MP) APIs.

Using Eclipse you will build and configure a Helidon SE application and a Helidon MP application.

Estimated Lab Time: 120 minutes

Lab Objectives

  • Use the config component Java API to load and process configuration properties from various sources
  • How to creating custom metrics and use Prometheus to monitor those metrics
  • How to implement applications health checks and to expose health statuses
  • How to call services within your application
  • How Helidon support tracing through the OpenTracing APIs and the Zipkin tracer
  • How to modify the application to support fault tolerance better
  • Using Helidon to serve static content such as web pages

Intended Audience

  • Anyone interested in application development (AppDev)

Prerequisites

  • Basic Java software development knowledge

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Changelog

  • July 2021 - Initial version
  • Jan 2022 - Updated for new OSPA standards
Difficulty
Beginner
Time Limit
4 hours


Views
1352

Students
189


Authors
OSPA
Oracle Sales and Partner Academy



Topics
Helidonweblogicappdev
2022-10-04T22:47:02.491Z