Neo Stream Search Java Challenge
In this challenge, we explore important key methods when we work with a Java Stream so that it becomes clear for you what they do.
Tutorials
Join The Jedi Lambda Join Java Challenge!
Are you ready for the next Java Challenge? Less introduction, more action, and master Java concepts by having fun!
Soprano ofNullable stream Java Challenge
Since Java 9, you can use Optional with a stream to manipulate values from a List. Check out the latest Java challenge about this!
Method Reference VS Lambda Java Challenge
In this Java Challenge, we will explore how lambdas and method references behave so that you can really understand how they work!
Introduction to Simplify Protocol Refactoring
Sometimes you need to make code more trivial to see the higher-level patterns that solve the issue at hand more elegantly.
Creating a JavaFX World Clock from Scratch (Part 6)
Learn how to make WebService calls (RESTful) from your JavaFX application to retrieve weather data based on geographic locations.
How to Debug Java on the Command Line
Some bugs are hard to replicate on your personal computer but easily replicated on production or test machines!
Jakarta EE Application Deployment to Kubernetes Cluster in Jelastic PaaS
Explore how to deploy the Jakarta EE projects to Kubernetes cluster within Jelastic PaaS using Cargo Tracker as an example.
Hidden Dracula Polymorphism Java Challenge
Polymorphism, the ability of an object to take on forms, one of the important Java concepts, decouples responsibilities, adding flexibility.
Asynchronous CompletableFuture Java Challenge
Solving the limitations of the Future interface, we have the CompletableFuture API with methods to build reliable high-performant software.