If your application contains multiple services interacting with each other the need for distributed tracing is increasing. You have a call towards one

The new JEP 434 has just seen daylight and describes the second preview of the ”Foreign Function & Memory API” (or FFM for short) which is going to be

Panama improvements, fast Java startup in AWS lambda, Spring Boot error handling, TSID vs UUID, and dependency inversion!

Learn alternatives to the traditional instanceof approach to improve code design and readability.

A detailed explanation about generics, how and when to use type parameters, and when wildcards are more appropiate.

A quick and practical guide to configuring date format with Apache Poi.

Explore the usage of Java Generics when it comes to producing and consuming collections.

Spring Boot 3, from 1RPS to 26RPS, caching effect, K8S secrets, and unusual stack traces!

Spring 6, Quarkus Jakarta EE migration, Kotlin on RaspberryPi, REST API over database schema, and logical replication.

A quick and practical guide to reversing a Stack in Java.

A Thread Group allows us to simulate a specific type of workflow. We can run Thread Groups in parallel, or sequentially. We look at how to achieve this in JMeter.

A reminder of what an anonymous class is and how to convert it to a lambda expression.

Learn what is a Java Functor.

A quick and practical guide to Java's PriorityQueue.

Explore all collection interfaces and collection classes in the Java library.

Understand the purpose of the Optional class and learn how to use it efficiently to design clear and robust APIs.

Learn how to create a serializable singleton class in Java.

Explore the differences between errors and exceptions in the Java ecosystem.

Learn different approaches for sorting collections by comparing multiple fields.

Learn how to access MBeans from a shell script.