Tutorials

314 articles in this category · 2,146,027 views.

Carl Dea Jun 25, 2021 5,941 views

Learn how to make WebService calls (RESTful) from your JavaFX application to retrieve weather data based on geographic locations.

Vipin Sharma Jun 24, 2021 37,311 views

Some bugs are hard to replicate on your personal computer but easily replicated on production or test machines!

Tetiana Fydorenchyk Jun 16, 2021 3,046 views

Explore how to deploy the Jakarta EE projects to Kubernetes cluster within Jelastic PaaS using Cargo Tracker as an example.

Rafael del Nero Jun 14, 2021 3,145 views

Polymorphism, the ability of an object to take on forms, one of the important Java concepts, decouples responsibilities, adding flexibility.

Rafael del Nero Jun 1, 2021 4,584 views

Solving the limitations of the Future interface, we have the CompletableFuture API with methods to build reliable high-performant software.

Helen Scott May 31, 2021 22,774 views

Let's use the New Project Wizard in IntelliJ IDEA to create a Spring Boot project with the Spring Web dependency!

Tetiana Fydorenchyk May 31, 2021 5,381 views

Extend WildFly from standalone server to cluster in managed domain mode inside containers for running cloud-native scalable applications!

Rafael del Nero May 25, 2021 4,226 views

In this challenge, you will see the generic type that will be erased by the compiler and will be replaced by the type we defined at runtime.

Rafael del Nero May 17, 2021 5,468 views

Understanding deeply how to use a Map, equals, and hashcode in Java will be a massive help for you to create high-quality code!

Deepu K Sasidharan May 11, 2021 8,121 views

In this article I'm going to focus on things that you can do in Java which are in line with functional programming concepts.

Cut Code Review Time & Bugs in Half. Instantly.
Supercharge your team to ship faster with the most advanced AI code reviews.
Get Started!
Sponsored Content
Free eBook: Sustainability for Java Developers
Towards an understanding of sustainable software development, written by and for the friends of OpenJDK
Get it on Leanpub Read more
Your GPU spend is optimized. Your JVM probably isn’t.
Hidden JVM inefficiencies - GC pauses, conservative JIT, slow warm-up - are quietly draining your AI infrastructure's performance and cloud spend. This guide shows how to eliminate that drag and scale with fewer nodes.
Download Now
Sponsored Content
Free Java Diagnostic Tool
A 20-second local scan of every JDK on your machine, checked against the latest patch levels. No agent, no install, no data leaves your network.
Learn more
Sponsored Content
Welcome to the new Foojay!
The same content from amazing Java developers, now in a new home. Foojay has been rebuilt from the ground up!
Read more
OCX Webinar Week: a first look at OCX27
Five days of live webinars on 2-6 November on AI agents, Jakarta EE, code signing, embedded systems and more. Join live for €50 off an OCX27 early bird ticket.
Register here