An introduction to four fundamental creational design patterns: Singleton, Factory Method, Abstract Factory, and Builder.

This is the second part of the article series: Processing real-time data with Storm, Kafka, and ElasticSearch. 1. Introduction In the first part we

Learn all about working with Strings in Java.

A quick and practical guide to the JDeferred library.

The loose types of Java generics are hard to coerce into the strong types of Java arrays. We explore the problem and some common solutions.

Learn how to create, compile and run a simple modular application, using new JDK tools, introduced as a Project Jigsaw.

Learn how to implement a Basic Calculator in Java, using two different constructs.

Learn about use cases for the modulo operator in Java.

Learn how to use command line tools to find the heap size of a running Java application.

I have previously blogged about the optimziations we are doing in the Apache Camel core. The first 3 blogs (part1, part2, part3) were a while back leading

The work with Jakarta MVC 2.0 goes forward. According to the Jakarta EE Specification Process (JESP), we are now in the development phase where we will

In this blog post we are going to look at the new styling and other new options available in OpenAPI and SwaggerUI Quarkus (v1.10.0 +). Styling Default

A quick and practical overview of threading models in Java.

Learn about work stealing in Java.

The Full Guide to Java Streams.

Quickly learn about the EnumSet and how to start using it in practical scenarios.

Let's take a closer look at the ClassCastException.

Learn about invokedynamic and see how it can help library and language designers to implement many forms of dynamicity.

Learn how to achieve Pair functionality in Java.