Tutorials

302 articles in this category.

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

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

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

May 31, 2021 Helen Scott

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

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

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.

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

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

Main goal of the Optional class is to avoid NullPointerException. It’s much easier to deal with null when we use the concept of Optional.

Details on OpenJDK patch that improves elasticity & enables automatic vertical memory scaling of Java applications with G1 garbage …