Starter Guides on Jakarta® EE: The New Home of Cloud Native Java

How to Build a RESTful Web Service Using Jakarta EE

webdev@eclipse-foundation.org (Eclipse Foundation) — Fri, 22 Sep 2023 00:00:00 +0000

This guide shows you how to use Jakarta EE to make a
RESTful web service.

To create a RESTful web service using Jakarta EE, we will begin by
summarizing what we want to build.

We will build a service that will accept an HTTP GET¹
request at http://localhost:8080/restfulservice/hello.

It will respond with the following JSON payload, as the following listing
shows:

{"text": "Hello from Jakarta EE"}

We can then further customize and improve it according to our needs.

Getting Started with Jakarta EE: A Comprehensive Beginner's Guide to the Get Started

webdev@eclipse-foundation.org (Eclipse Foundation) — Tue, 21 Oct 2025 00:00:00 +0000

As a new Java developer or a student preparing for a career in enterprise
software, understanding Jakarta EE is essential. Evolving from Java EE, it
provides a reliable platform with APIs for building scalable, secure, and
portable applications. Jakarta EE is used across industries such as banking,
e-commerce, healthcare, and government.

What is Jakarta EE and Why It Matters

Jakarta EE is a set of specifications used for building
Java products and frameworks for building large-scale enterprise applications.
It powers systems like banks, e-commerce sites, and corporate platforms. It
builds on Java SE with additional APIs for web development, database access,
messaging, and security. If your goal is to create production-grade Java
applications, Jakarta EE provides the tools and standards to get there.

How to Secure a RESTful Web Service Using Jakarta EE

webdev@eclipse-foundation.org (Eclipse Foundation) — Fri, 29 Sep 2023 00:00:00 +0000

This guide shows you how to secure a rest endpoint using
Jakarta Authentication.

As we delve into securing RESTful web services, let’s first define a basic
scenario that we will be working with throughout this article.

We are constructing a service that will accept an HTTP GET request at
http://localhost:8080/jakartaee-hello-world/rest/hello. In
response to this request, our service will return a JSON payload, as shown in
the following example:

How to store and retrieve data using Jakarta Persistence of Jakarta EE

webdev@eclipse-foundation.org (Eclipse Foundation) — Fri, 22 Sep 2023 00:00:00 +0000

This guide shows you how to store and retrieve data using
Jakarta Persistence.

We will first begin by summarizing what we want to build. Next, we build a
RESTful web service that can consume data, store
it in a database using Jakarta Persistence, and serve it as a REST endpoint.
For those unfamiliar with RESTful web services, we recommend reading our
previous article.

We will build an application that handles coffee product data. The service will
consume a JSON payload containing the product’s ID, name, and price. Here’s an
example of the JSON payload:

How to Start with Servlets Using Jakarta EE 10

webdev@eclipse-foundation.org (Eclipse Foundation) — Fri, 22 Sep 2023 00:00:00 +0000

This guide aims to walk you through the process of building a simple Servlet
application using Jakarta Servlet. We’ll start
by outlining what we aim to achieve and then step-by-step guide you through
setting up your environment, writing code, and deploying the Servlet
application. If you’re new to Servlets or Jakarta EE, this guide should be a
great starting point.

We’ll develop an application that accomplishes the following:

Presents a form asking the user to select their coffee preferences (e.g.,
black, latte, cold brew).
Stores these preferences in a session.
Dynamically generates a “Coffee Dashboard,” displaying personalized coffee
recommendations.

OK, now that we have specified our requirements, you will need to follow these
steps: